Ross-Tech Wiki - User contributions [en]

Lamborghini Gallardo (40) Transmission Electronics

2025-12-10T22:01:31Z

Peter: /* Special Notes */

__FORCETOC__

'''Information''' 
This page applies exclusively to the Lamborghini Gallardo (L140) equipped with the E-Gear transmission. The E-Gear system is an electro/hydraulically actuated single clutch, automated manual gearbox. It uses high pressure hydraulic actuators, an electric hydraulic pump, and a dedicated Transmission Control Unit (TCU) to manage clutch engagement, gear selection, and shift timing. Multiple driving modes are available, including automatic and manual paddle shifting, each of which are calibrated for performance while minimizing clutch wear. 

'''General Information''' 
Caution: When the engine is idling and a drive gear is engaged, the vehicle can creep or move. Always press the brake pedal when selecting a gear or when the vehicle is stationary with a gear engaged.
The E-Gear system uses an automatic parking lock function when the engine is switched off, and the lock disengages once a valid gear selection is made after restart. 

'''Disclaimer and Waiver''' 
''These procedures apply only to stock, unmodified Gallardo L140 E-Gear systems. By proceeding, you acknowledge and accept full responsibility for any resulting consequences or damage. Vehicles with aftermarket clutches, flywheels, TCU tuning, or hydraulic modifications may not respond predictably, and following these steps on a modified vehicle may result in improper operation or component damage. Modifications may also void warranty coverage. Proceed entirely at your own risk.'' 

The Transmission type can be identified by evaluating the data in the Auto-Scan:

Address 02: Auto Trans Labels: 400-927-156-V1.clb
Part No SW: 400 927 156 (?) HW: CFC 311 L.0 1
Component: L140 E-GEAR MY (??) 0030

== Coding ==

It is recommended to use the coding from the original module when replacing the TCM. VCDS will display coding information within the pop-up balloon when in the Coding screen for this transmission.

== Basic Setting ==

'''Basic Settings''' 
Use the Basic Settings options available in the VCDS pull-down list for the E-Gear system. Follow the steps shown on screen and refer to the official Lamborghini repair manual for vehicle specific procedures, prerequisites, and safety information. Only perform the functions that are required for your diagnosis or service task. 

Important:
The "Reset Clutch Wear" function must never be used unless the clutch assembly has actually been replaced. Performing this reset on a used or partially worn clutch will result in incorrect clutch kiss point adaptation, improper engagement behavior, potential performance concerns and accelerated clutch wear. This cannot be overstated: do NOT use this reset for any purpose other than after installing a brand new clutch. 

=== Special Notes ===
* For assistance estimating clutch wear based on the measured values, you may use the Ross-Tech E-Gear Clutch Wear Calculator:
[http://ross-tech.net/misc/Clutchwear.html E-Gear Clutch Wear Calculator].

* Example of the calculator layout (click the link above to open the calculator):

[http://ross-tech.net/misc/Clutchwear.html [[File:L140 Calc.jpg|left|300px|Example view of the E-Gear Clutch Wear Calculator]]]

 

'''Disclaimer:'''
The E-Gear Clutch Wear Calculator is provided strictly for informational and reference purposes. Although the underlying method is considered reliable, it is not guaranteed to be accurate in every situation. Variations in vehicle condition, prior repairs, wear patterns, or modifications may lead to results that differ from actual measured clutch wear.
Ross-Tech, LLC makes no warranties, express or implied, regarding the precision, applicability, or completeness of the calculated values and shall not be held liable for any decisions, actions, or consequences arising from the use of this tool. Use of the calculator constitutes acceptance of these terms.

[[Category:Transmissions]]

Lamborghini Gallardo (40) Transmission Electronics

2025-12-10T21:30:08Z

Peter: Created page with "__FORCETOC__ '''Information''' This page applies exclusively to the Lamborghini Gallardo (L140) equipped with the E-Gear transmission. The E-Gear system is an electro/hydraulically actuated single clutch, automated manual gearbox. It uses high pressure hydraulic actuators, an electric hydraulic pump, and a dedicated Transmission Control Unit (TCU) to manage clutch engagement, gear selection, and shift timing. Multiple driving modes are available, including automati..."

__FORCETOC__

'''Information''' 
This page applies exclusively to the Lamborghini Gallardo (L140) equipped with the E-Gear transmission. The E-Gear system is an electro/hydraulically actuated single clutch, automated manual gearbox. It uses high pressure hydraulic actuators, an electric hydraulic pump, and a dedicated Transmission Control Unit (TCU) to manage clutch engagement, gear selection, and shift timing. Multiple driving modes are available, including automatic and manual paddle shifting, each of which are calibrated for performance while minimizing clutch wear. 

'''General Information''' 
Caution: When the engine is idling and a drive gear is engaged, the vehicle can creep or move. Always press the brake pedal when selecting a gear or when the vehicle is stationary with a gear engaged.
The E-Gear system uses an automatic parking lock function when the engine is switched off, and the lock disengages once a valid gear selection is made after restart. 

'''Disclaimer and Waiver''' 
''These procedures apply only to stock, unmodified Gallardo L140 E-Gear systems. By proceeding, you acknowledge and accept full responsibility for any resulting consequences or damage. Vehicles with aftermarket clutches, flywheels, TCU tuning, or hydraulic modifications may not respond predictably, and following these steps on a modified vehicle may result in improper operation or component damage. Modifications may also void warranty coverage. Proceed entirely at your own risk.'' 

The Transmission type can be identified by evaluating the data in the Auto-Scan:

Address 02: Auto Trans Labels: 400-927-156-V1.clb
Part No SW: 400 927 156 (?) HW: CFC 311 L.0 1
Component: L140 E-GEAR MY (??) 0030

== Coding ==

It is recommended to use the coding from the original module when replacing the TCM. VCDS will display coding information within the pop-up balloon when in the Coding screen for this transmission.

== Basic Setting ==

'''Basic Settings''' 
Use the Basic Settings options available in the VCDS pull-down list for the E-Gear system. Follow the steps shown on screen and refer to the official Lamborghini repair manual for vehicle specific procedures, prerequisites, and safety information. Only perform the functions that are required for your diagnosis or service task. 

Important:
The "Reset Clutch Wear" function must never be used unless the clutch assembly has actually been replaced. Performing this reset on a used or partially worn clutch will result in incorrect clutch kiss point adaptation, improper engagement behavior, potential performance concerns and accelerated clutch wear. This cannot be overstated: do NOT use this reset for any purpose other than after installing a brand new clutch. 

=== Special Notes ===
* For assistance estimating clutch wear based on the measured values, you may use the Ross-Tech E-Gear Clutch Wear Calculator:
[http://ross-tech.net/misc/Clutchwear.html E-Gear Clutch Wear Calculator].

* Example of the calculator layout (click image to open the calculator):

[http://ross-tech.net/misc/Clutchwear.html [[File:L140 Calc.jpg|left|300px|Example view of the E-Gear Clutch Wear Calculator]]]

 

'''Disclaimer:'''
The E-Gear Clutch Wear Calculator is provided strictly for informational and reference purposes. Although the underlying method is considered reliable, it is not guaranteed to be accurate in every situation. Variations in vehicle condition, prior repairs, wear patterns, or modifications may lead to results that differ from actual measured clutch wear.
Ross-Tech, LLC makes no warranties, express or implied, regarding the precision, applicability, or completeness of the calculated values and shall not be held liable for any decisions, actions, or consequences arising from the use of this tool. Use of the calculator constitutes acceptance of these terms.

[[Category:Transmissions]]

File:L140 Calc.jpg

2025-12-10T21:06:27Z

Peter: Lamborghini E-Gear Clutch Wear Calculator

== Summary ==
Lamborghini E-Gear Clutch Wear Calculator

Lamborghini Gallardo (40)

2025-12-10T19:27:31Z

Peter:

__NOTOC__
__NOEDITSECTION__
{{Infobox-Model
|Brand=Lamborghini
|Model=Gallardo (40)
''Second Generation''
|Image= 2009 Gallardo.jpg
|ImageSource=Sherwood Motorcars
|Manufacturer=Lamborghini
|ChassisCode=40
|Platform=LP550/560/570
|from=2009
|through=2014
|fromUS=2009
|throughUS=
|Predecessor=
|Interface=[http://www.ross-tech.com/vcds/interfaces.php HEX-NET] '''Only'''
|DLCImage=
|DLC=The DLC is located in the Driver Footwell near Hood Latch.
}}

'''General Information''': Ross-Tech has limited information for Lamborghini vehicles and there for these vehicles are Not Officially Supported at this time.
General information about this Model can be found in the [https://en.wikipedia.org/wiki/Lamborghini_Gallardo Wikipedia - Lamborghini Gallardo]

===[01] - Engine Electronics===

===[02] - [[Lamborghini Gallardo (40) Transmission Electronics|Transmission Electronics]]===

===[03] - Brake Electronics===
[[Lamborghini Gallardo Brake Electronics (Bosch 8.1)|Brake Electronics (Bosch 8.1)]]

===[09] - Central Electronics===

===[11] - Engine II===

===[16] - Steering Wheel Electronics===

===[17] - Instrument Cluster===

===[25] - Immobilizer===

===[37] - Navigation===

===[46] - Comfort System===

===[54] - Rear Spoiler===

===[56] - Radio (Analog)===

===[6C] - Back-Up Camera===

===[77] - Telephone===

B1916/039190

2025-12-05T20:10:34Z

Peter: Created page with "__FORCETOC__ === B1916/039190 - Backup Battery === === B1916 04 - Backup Battery - Internal System Fault === ==== Possible Causes ==== * Incorrect Gateway backup-battery monitoring parameter ==== Possible Solutions ==== * Manually discharge Gateway backup-battery to reset system ==== Special Notes ==== * When found in the 2018 Audi A4, A5, Q5 and/or Q7, follow this Technical Service Bulletin: * [https://static.nhtsa.gov/odi/tsbs/2019/MC-10157248-9999.pdf 91 SOS war..."

__FORCETOC__
=== B1916/039190 - Backup Battery ===

=== B1916 04 - Backup Battery - Internal System Fault ===

==== Possible Causes ====

* Incorrect Gateway backup-battery monitoring parameter

==== Possible Solutions ====

* Manually discharge Gateway backup-battery to reset system
==== Special Notes ====

* When found in the 2018 Audi A4, A5, Q5 and/or Q7, follow this Technical Service Bulletin:
* [https://static.nhtsa.gov/odi/tsbs/2019/MC-10157248-9999.pdf 91 SOS warning displayed in instrument cluster, DTC B191604 stored in the gateway control module 2051664]

[[Category:Fault Codes]]

17124/P0740/001856

2025-12-02T19:44:00Z

Peter: Created page with "__FORCETOC__ == 17124/P0740/001856 - Torque Converter Clutch: Mechanical Malfunction == ==== Possible Symptoms ==== * Torque Converter Slipping * Reduced Power Output ==== Possible Causes ==== * Torque Converter slippage detected * Low fluid level/pressure * Defective Torque Converter ==== Possible Solutions ==== * Check Measuring Values: Input speed vs. Output speed * Check transmission fluid level and quality, correct as needed * Refer to repair manuals, Technica..."

__FORCETOC__
== 17124/P0740/001856 - Torque Converter Clutch: Mechanical Malfunction ==

==== Possible Symptoms ====

* Torque Converter Slipping
* Reduced Power Output

==== Possible Causes ====

* Torque Converter slippage detected
* Low fluid level/pressure
* Defective Torque Converter

==== Possible Solutions ====

* Check Measuring Values: Input speed vs. Output speed
* Check transmission fluid level and quality, correct as needed
* Refer to repair manuals, Technical Service Bulletins

[[Category:Fault Codes]]

17120/P0736

2025-12-02T19:17:53Z

Peter: /* 17120/P0736 - Backward Gear: Incorrect Ratio */

__FORCETOC__
== 17120/P0736 - Reverse Gear: Incorrect Ratio ==

==== Possible Causes ====

* Wiring and/or connections faulty
* Sensor Gear Position Indicator faulty
* Gear Solenoids faulty
* Mechanical failure

==== Possible Solutions ====

* Check wiring and connections
* Check Sensor Gear Position Indicator
* Check Gear Solenoids

[[Category:Fault Codes]]

16841/P0457/001111

2025-11-12T17:16:11Z

Peter: Created page with "__FORCETOC__ == 16841/P0457/001111 - EVAP System: Leak Detected (Check Fuel Cap!) == ==== Possible Symptoms ==== * Malfunction Indicator Light (MIL) (illuminated) * Tank Cap Amber Warning (illuminated) * Stored fault code(s) in Engine Control Module * Possible fuel odor, especially near rear of vehicle after refueling ==== Possible Causes ==== * Fuel Tank Cap not closed properly * Fuel Tank Cap seal damaged, hardened, or missing * Evaporative Emission (EVAP) System..."

__FORCETOC__
== 16841/P0457/001111 - EVAP System: Leak Detected (Check Fuel Cap!) ==

==== Possible Symptoms ====

* Malfunction Indicator Light (MIL) (illuminated)
* Tank Cap Amber Warning (illuminated)
* Stored fault code(s) in Engine Control Module
* Possible fuel odor, especially near rear of vehicle after refueling

==== Possible Causes ====

* Fuel Tank Cap not closed properly
* Fuel Tank Cap seal damaged, hardened, or missing
* Evaporative Emission (EVAP) System leak (small to large)
* Leak Detection Pump (LDP) or Leak Detection Module fault
* Cracked or disconnected EVAP hoses or vapor lines
* Damaged charcoal canister or vent valve

==== Possible Solutions ====

* Inspect Fuel Tank Cap and seal for damage, debris, or missing O-ring
* Verify Fuel Tank Cap closes securely and clicks into place
* Check Fuel Filler Neck for damage or corrosion
* Perform Visual Inspection of Fuel Tank, EVAP hoses, canister, and fittings
* Perform EVAP leak test (with smoke test equipment)
* Check operation of Leak Detection Pump or system vent valve (if equipped)

==== Special Notes ====
=== North American market vehicles (only) ===

* For the 2019-2021 Tiguan 2.0L (DGUA) engine, please see Volkswagen Technical Tip 01-21-01 (2062754/1)
*** https://static.nhtsa.gov/odi/tsbs/2021/MC-10189310-0001.pdf NHTSA

* For the 2018 Atlas 3.6L (CDVC) engine, please refer to Volkswagen UPDATE Technical Bulletin, July 19, 2018, 23X1 UPDATE – ECM Software Update (FED_EMS)
*** https://static.nhtsa.gov/odi/tsbs/2018/MC-10150784-9999.pdf NHTSA

* For the 2015 - 2016 Passat, please refer to the Volkswagen Technical Tip (26-16-02) - Loose Evap Lines...
*** https://static.nhtsa.gov/odi/tsbs/2016/MC-10121149-9999.pdf NHTSA

[[Category:Fault Codes]]

User:Peter

2025-11-07T22:43:39Z

Peter:

= 0BK Transmission (ZF 8HP-55) – Standstill Basic Settings =
__FORCETOC__

== Application ==
This procedure performs the '''Fast adaptation''' (standstill adaptation) routine for the ZF 0BK 8-speed automatic transmissions with UDS-based control modules.

''Note: Not all 0BK transmission controllers support this function.''

== Prerequisites ==
* Vehicle stationary, engine idling.
* Parking brake applied and foot brake held firmly during the entire procedure.
* Selector lever in '''D'''.
* Transmission fluid temperature between '''50 °C and 95 °C'''
* Battery charger/maintainer connected.
* No fault codes related to transmission or engine torque request.

== When to Perform ==
* After mechatronic unit replacement
* After clutch or internal transmission repair
* After ATF service
* When experiencing harsh or irregular shifting

== Procedure ==
[Select] → [02-Auto Trans]
'''[Basic Settings - UDS]'''

* From the Basic Settings drop-down list, select '''Fast/Quick Adaption (IDE07217)'''
* Click '''[Show Measuring Data]''' and add:
- Engine speed (IDE00021)
- Fast_adaption; cancellation condition (IDE07220)
- ATF temperature (IDE00024)
* Apply the parking brake, hold the brake pedal, and move the selector from '''[P]''' to '''[D]'''
* Press '''[Go!]''' to start the Basic Setting.

=== During the Procedure ===
* Engine speed will increase to about 1,200 rpm
* Light jolts or lurching may occur; this is normal
* The procedure typically runs for 5–10 minutes
* Continue holding the brake; do not release!
* Monitor ATF temperature remains within the specified range.

=== The Basic Setting may abort if: ===
* Brake pedal is released or selector not in [D]
* ATF temperature outside 50–95 °C
* TCM not standstill-capable (engine speed does not rise to ~ 1,200 rpm)

== Completion ==
When the procedure finishes '''(Finished correctly)''':
* Engine speed returns to normal idle.
* Shift selector to '''[P]''' when prompted.
* Click '''[Done, Go Back]'''
* Read and clear any fault codes if necessary.
* Road test the vehicle, normally

== Notes ==
* Always confirm ATF level and temperature before performing adaptation.
* Use official factory information if unsure whether the control module supports this function.

Level Control, UDS (LUFE-DAEMPFER)

2025-10-27T21:54:31Z

Peter:

'''Notes:'''
* This Wiki page was created based on information and procedures discussed in the Ross-Tech forum thread authored by: drpeter
** [https://forums.ross-tech.com/index.php?threads/12737/ Reference: Ross-Tech Forum Thread #12737 – Level Control Calibration Procedure]

* This information applies to Level Control, [https://forums.ross-tech.com/index.php?threads/1905/ UDS] "LUFE-DAEMPFER" version. This can be identified by evaluating the data in the Auto-Scan:

Address 34: Level Control (J197) Labels:. 4G0-907-553.clb
Part No SW: 4G0 907 553 G HW: 4G0 907 553 F
Component: '''LUFE-DAEMPFER''' H19 0783
Coding: 008000
Shop #: WSC 12345 123 12345
ASAM Dataset: EV_AirSuspe 003025

If '''LUFE-DAEMPFER''' is not shown in the Component field, this information may not apply.

 
==Re-adapt Adaptive Suspension to default position==
'''Special Notes, warnings, etc'''
* '''Do not''' at any point in time select Basic Settings '''[IDE01475] Resetting of all adaptations'''.
** If you choose to do so, [http://wiki.ross-tech.com/wiki/index.php/B2013 DTC B2013: No End-of-Line Programming] will be stored and you will need to make an appointment with your local dealer!
* Make sure you perform and save an [https://www.ross-tech.com/vcds/tour/autoscan.php '''Auto-Scan'''] before beginning any work.
* If there is an 'incorrectly coded' fault in the '''[34-Level Control]''', the controller will need to be coded first.
*If you are attempting to alter the ride height use this procedure at your own risk!
 
'''Prerequisites'''
* Ignition on, engine off. Use a battery maintainer!!
* Vehicle on level surface
* No persons or gear in Vehicle
* Fuel Tank 60% or more
* Nothing under vehicle
* Doors are to remain shut during the entire procedure
* No faults in the '''[34-Level Control]''' controller other than "No or incorrect Basic Settings"
 
'''[34-Level Control]''' 
'''[Security Access-16]''' 
* Enter 20103 
'''[Basic Settings - 04]''' 
* For each Basic Setting, click '''[Go!]''' After the result of '''Finished Correctly''' appears click '''[Stop]'''
* Select the Basic Setting steps from the drop down menu in the order shown!!
** '''[IDE03804] Deactivating loading mode''' 
** '''[IDE03751] Activate level control''' 
** '''[IDE03761] Delete calibration for level control'''
** '''[IDE03802] Set reference level'''
*** Vehicle should level itself during this step, may take some time.

'''[Go Back]''' 
 

Measure the ride height, in millimeters, from the center of the wheel to the edge of fender, do this for all four wheels and record the values. 
https://www.ross-tech.com/vag-com/cars/images/rim.jpeg

 
'''[Adaptation - 10]'''
* Choose from the drop down menu and enter the "New value" recorded value for each of the wheels below, then press '''[Do it!]'''
** '''[IDE02001] Body height left front wheel house edge'''
** '''[IDE02002] Body height right front wheel house edge'''
** '''[IDE02003] Body height left rear wheel house edge'''
** '''[IDE02004] Body height right rear wheel house edge'''
'''[Go Back]''' 

'''[Basic Settings - 04]''' 
* For each Basic Setting, click '''[Go!]''' After the result of '''Finished Correctly''' appears click '''[Stop]'''
* Select the Basic Setting steps from the drop down menu in the order shown!!
** '''[IDE03762] Calibrate level control'''
** '''[IDE03751] Activate level control'''
'''[Go Back]''' 
 

==Bleeding and Charging==
This procedure will be helpful to diagnose problems but it will NOT calibrate the level control system 

'''Prerequisites'''
* Ignition on, engine off with a battery charger connected.
* Vehicle on level surface with suspension system fully assembled.

'''[34-Level Control]''' 
'''[Security Access-16]''' 
* Enter 201013 
'''[Basic Settings - 04]''' 
* [IDE03753] Venting pressure reservoir
* [IDE03754] Vent air shock absorbers for front axle
* [IDE03755] Vent air shock absorbers for rear axle
* [IDE03756] Fill pressure reservoir
* [IDE03757] Fill air shock absorbers for front axle
* [IDE03758] Fill air shock absorbers for rear axle
* [IDE03759] Fill left rear air shock absorber
* [IDE03760] Fill right rear air shock absorber
 

 
'''Notes'''
* Advanced Measuring Values that may be useful in conjunction with the above Basic Settings include:
* [IDE02951] Absolute left front vehicle height
* [IDE02952] Absolute right front vehicle height
* [IDE02953] Absolute left rear vehicle height
* [IDE02954] Absolute right rear vehicle height
* [IDE02940] System pressure
* [IDE03064] Accumulator pressure

Level Control, UDS (LUFE-DAEMPFER)

2025-10-27T21:50:38Z

Peter:

'''Notes:'''
* This Wiki page was created based on information and procedures discussed in the Ross-Tech forum thread authored by: drpeter
** [https://forums.ross-tech.com/index.php?threads/12737/ Reference: Ross-Tech Forum Thread #12737 – Level Control Calibration Procedure]

This information applies to Level Control, [https://forums.ross-tech.com/index.php?threads/1905/ UDS] "LUFE-DAEMPFER" version. This can be identified by evaluating the data in the Auto-Scan:

Address 34: Level Control (J197) Labels:. 4G0-907-553.clb
Part No SW: 4G0 907 553 G HW: 4G0 907 553 F
Component: '''LUFE-DAEMPFER''' H19 0783
Coding: 008000
Shop #: WSC 12345 123 12345
ASAM Dataset: EV_AirSuspe 003025

*If '''LUFE-DAEMPFER''' is not shown in the Component field, this information may not apply.

 
==Re-adapt Adaptive Suspension to default position==
'''Special Notes, warnings, etc'''
* '''Do not''' at any point in time select Basic Settings '''[IDE01475] Resetting of all adaptations'''.
** If you choose to do so, [http://wiki.ross-tech.com/wiki/index.php/B2013 DTC B2013: No End-of-Line Programming] will be stored and you will need to make an appointment with your local dealer!
* Make sure you perform and save an [https://www.ross-tech.com/vcds/tour/autoscan.php '''Auto-Scan'''] before beginning any work.
* If there is an 'incorrectly coded' fault in the '''[34-Level Control]''', the controller will need to be coded first.
*If you are attempting to alter the ride height use this procedure at your own risk!
 
'''Prerequisites'''
* Ignition on, engine off. Use a battery maintainer!!
* Vehicle on level surface
* No persons or gear in Vehicle
* Fuel Tank 60% or more
* Nothing under vehicle
* Doors are to remain shut during the entire procedure
* No faults in the '''[34-Level Control]''' controller other than "No or incorrect Basic Settings"
 
'''[34-Level Control]''' 
'''[Security Access-16]''' 
* Enter 20103 
'''[Basic Settings - 04]''' 
* For each Basic Setting, click '''[Go!]''' After the result of '''Finished Correctly''' appears click '''[Stop]'''
* Select the Basic Setting steps from the drop down menu in the order shown!!
** '''[IDE03804] Deactivating loading mode''' 
** '''[IDE03751] Activate level control''' 
** '''[IDE03761] Delete calibration for level control'''
** '''[IDE03802] Set reference level'''
*** Vehicle should level itself during this step, may take some time.

'''[Go Back]''' 
 

Measure the ride height, in millimeters, from the center of the wheel to the edge of fender, do this for all four wheels and record the values. 
https://www.ross-tech.com/vag-com/cars/images/rim.jpeg

 
'''[Adaptation - 10]'''
* Choose from the drop down menu and enter the "New value" recorded value for each of the wheels below, then press '''[Do it!]'''
** '''[IDE02001] Body height left front wheel house edge'''
** '''[IDE02002] Body height right front wheel house edge'''
** '''[IDE02003] Body height left rear wheel house edge'''
** '''[IDE02004] Body height right rear wheel house edge'''
'''[Go Back]''' 

'''[Basic Settings - 04]''' 
* For each Basic Setting, click '''[Go!]''' After the result of '''Finished Correctly''' appears click '''[Stop]'''
* Select the Basic Setting steps from the drop down menu in the order shown!!
** '''[IDE03762] Calibrate level control'''
** '''[IDE03751] Activate level control'''
'''[Go Back]''' 
 

==Bleeding and Charging==
This procedure will be helpful to diagnose problems but it will NOT calibrate the level control system 

'''Prerequisites'''
* Ignition on, engine off with a battery charger connected.
* Vehicle on level surface with suspension system fully assembled.

'''[34-Level Control]''' 
'''[Security Access-16]''' 
* Enter 201013 
'''[Basic Settings - 04]''' 
* [IDE03753] Venting pressure reservoir
* [IDE03754] Vent air shock absorbers for front axle
* [IDE03755] Vent air shock absorbers for rear axle
* [IDE03756] Fill pressure reservoir
* [IDE03757] Fill air shock absorbers for front axle
* [IDE03758] Fill air shock absorbers for rear axle
* [IDE03759] Fill left rear air shock absorber
* [IDE03760] Fill right rear air shock absorber
 

 
'''Notes'''
* Advanced Measuring Values that may be useful in conjunction with the above Basic Settings include:
* [IDE02951] Absolute left front vehicle height
* [IDE02952] Absolute right front vehicle height
* [IDE02953] Absolute left rear vehicle height
* [IDE02954] Absolute right rear vehicle height
* [IDE02940] System pressure
* [IDE03064] Accumulator pressure

01208

2025-10-15T16:16:35Z

Peter:

__FORCETOC__
== 01208 - Data Records in Control Unit Altered ==

=== Possible Symptoms ===

* MIL (Malfunction Indicator Lamp) ON
* Transmission may not engage
* Vehicle may enter limp mode
* Basic Settings may fail

=== Possible Causes ===

* Engine and Transmission software versions are incompatible
* Incorrect or non-matching DSG Mechatronics unit installed
* Control Module internal data records altered or corrupted

=== Possible Solutions ===

* Verify correct DSG Mechatronics part number for the specific vehicle
** Check the VAG number displayed in the Open Controller screen in VCDS
** Confirm part number and software version with the Manufacture's parts department
* Replace with the correct, compatible Mechatronics unit if mismatched
* Perform Coding and Basic Settings
* Verify Engine and Transmission software levels are up to date (with ODIS if needed)

=== Special Notes ===

* This fault indicates that the Engine Control Module (ECM) and the Transmission Control Module (TCM/DSG Mechatronics) contain mismatched or incompatible software versions. The TCM stores configuration data that must correspond to the engine's controller software variant. When these do not align, such as after replacing the Mechatronics unit with one from another vehicle or installing an incorrect software version/part number, the vehicle detects the mismatch and sets the fault.

01208

2025-10-15T16:14:53Z

Peter: Created page with "__FORCETOC__ == 01208 - Data Records in Control Unit Altered == === Possible Symptoms === * MIL (Malfunction Indicator Lamp) ON * Transmission may not engage * Vehicle may enter limp mode * Basic Settings may fail === Possible Causes === * Engine and Transmission software versions are incompatible * Incorrect or non-matching DSG Mechatronics unit installed * Control Module internal data records altered or corrupted === Possible Solutions === * Verify correct DSG..."

03409

2025-09-18T18:53:30Z

Peter: /* Special Notes */

__FORCETOC__

== 03409 - Rolling Mode Recognized ==

==== Possible Symptoms ====
* DTC stored in ABS
* MIL/Warning lamps may illuminate
* No actual drivability complaint in most cases

==== Possible Causes ====
* Vehicle operated on a chassis dynamometer (rolling road)
* Front or drive wheels spinning while vehicle is on a lift
* Mismatch between wheel speed signals and vehicle operating conditions

==== Possible Solutions ====
* Clear DTC after completing work on a chassis dynamometer
* Cycle ignition OFF → wait ~10 seconds → ON, then clear codes
* Ensure vehicle is operated on approved test equipment when simulating road load
* No component replacement is required unless additional faults are present

==== Special Notes ====
* According to the manufacturer: ''The malfunction will be automatically erased if, after completing work on the roller chassis dynamometer, the ignition has been switched off and on again.''
* It is possible to set this code when the vehicle is on a service lift, in gear and the drive wheels are spinning.
* If the DTC recurs under normal road use, investigate wheel speed sensors and ABS system further.

16517/P0133/000307

2025-09-18T18:47:51Z

Peter:

__FORCETOC__

== P0133 - Oxygen (Lambda) Sensor B1 S1 ==
=== P0133 - Oxygen (Lambda) Sensor B1 S1: Response too Slow ===

=== Possible Symptoms ===
* MIL (Malfunction Indicator Lamp) ON
* Poor fuel economy
* Increased emissions or failed inspection
* DTC stored in ECM

=== Possible Causes ===
* Aged, contaminated, or faulty Oxygen Sensor 1 Before Catalytic Converter -GX10- (Bank 1 Sensor 1)
* Exhaust leak ahead of the front oxygen sensor
* Wiring or connector faults at the front oxygen sensor or its heater circuit
* Air leaks or unmetered air (intake vacuum leaks, PCV issues)
* Fuel delivery or mixture control issues affecting lambda dynamics (fuel pressure, MAF faults)
* Sensor contaminated by silicone, coolant, or leaded additives
* ECM software calibration issues (in rare cases)

=== Monitoring Conditions ===
* Monitor Strategy: Front O2 signal dynamic check
* Malfunction Criteria:
** Delayed response
** Slow transition
** Delayed response while avoiding controller oscillations

=== Possible Solutions ===
* Address any related DTCs first (misfire, fuel trim, MAF, exhaust leaks)
* Inspect wiring, grounds, and connectors for Oxygen Sensor 1 Before Catalytic Converter
* Verify heater circuit operation for the front oxygen sensor
* Inspect exhaust system for leaks ahead of B1 S1
* Check fuel trims and correct intake leaks or MAF faults
** See: [https://wiki.ross-tech.com/wiki/index.php/Fuel_Trim_Info Fuel Trim Info]
* Evaluate sensor switching speed with scan data or scope
** Induce lean and rich conditions and confirm lean↔rich transition times meet thresholds
*** ''(verify exact test procedure and thresholds with [https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information Official Factory Repair Information])''
* Replace the front oxygen sensor if slow response is confirmed
* Perform any required basic settings or adaptation resets after repairs per [https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information Official Factory Repair Information]

=== Special Notes ===
* We always recommend to use original equipment replacement parts, not all sensors are created equally.
* After replacement, clear DTCs and road test to confirm repair.

P2681/009857

2025-09-18T18:46:25Z

Peter:

__FORCETOC__

== P2681 - Control Circuit for Coolant Bypass Valve ==
=== P2681 - Control Circuit for Coolant Bypass Valve: Open Circuit ===

==== Possible Symptoms ====
* MIL (Malfunction Indicator Lamp) ON
* Engine may take longer to reach operating temperature
* DTC stored in ECM

==== Possible Causes ====
* Open circuit in wiring to Coolant Shut-Off Valve -N82-
* Faulty Coolant Shut-Off Valve -N82-
* Faulty Engine Temperature Control Module -GX33-
* Poor electrical connections (corroded, damaged, or loose pins)

==== Possible Solutions ====
* Check wiring and connectors to Coolant Shut-Off Valve -N82-
* Check the Engine Temperature Control Module -GX33-
* Repair or replace damaged wiring/connectors as necessary
* Replace faulty component(s) see https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information

==== Special Notes ====
* Check for updated replacement parts https://www.partslink24.com

C1292/021138

2025-09-18T18:44:44Z

Peter:

__FORCETOC__

== C1292 - Clutch Actuator for All Wheel Drive ==
=== C1292 - Clutch Actuator for All Wheel Drive: Missing Calibration / Basic Setting ===

==== Possible Symptoms ====
* MIL (Malfunction Indicator Lamp) ON

==== Possible Causes ====
* All Wheel Drive Control Module -J492- replaced
* Components associated with clutch actuator replaced
* Basic Settings not performed after repairs

==== Possible Solutions ====
* Perform Basic Settings for the All Wheel Drive Control Module -J492- after clearing all other fault codes

==== Special Notes ====
* Use the following Basic Settings in vehicles with ASAM Dataset: EV_AWDCQUOD31
** IDE02906-ENG188617 – Resetting clutch data (Reset Kupplungsdaten)
** IDE03198-ENG188614 – Static calibration (Erstkalibrierung)

* Existing Ross-Tech customers can [mailto:Support@Ross-Tech.com email] the complete [http://www.ross-tech.com/vcds/tour/autoscan.php Auto-Scan] and request further assistance.

18432/P2000/008192

2025-09-18T18:42:56Z

Peter:

__FORCETOC__

== P2000 - NOx Catalyst/Trap Bank 1 ==
=== P2000 - NOx Catalyst/Trap Bank 1: Efficiency Below Threshold ===

==== Possible Symptoms ====
* MIL (Malfunction Indicator Lamp) ON
* DTC stored in ECM
* Possible loss of power (limp mode)
* Increased NOx emissions
* Fuel economy concerns during regeneration cycles

==== Possible Causes ====
* NOx Catalyst efficiency below threshold
* Faulty or aging NOx Catalyst
* Faulty Oxygen Sensor 1 Before Catalytic Converter -GX10-
* Faulty Oxygen Sensor 1 After Catalytic Converter -GX7-
* Faulty or slow Exhaust Gas Temperature Sensor(s)
* Poor quality fuel or incorrect sulfur content
* Exhaust leaks upstream or around NOx Catalyst
* Adaptation values for O₂ sensors not realized
* Low reductant consumption or dosing malfunction

==== Monitoring Conditions ====
* Monitor Strategy: NOx Efficiency Below Threshold
* Malfunction Criteria:
** O₂ signal post NOx Catalyst < 0.95
** O₂ signal pre NOx Catalyst < 0.045
** Mass of reductant consumption < 0.9 g
* Enable Conditions:
** Regeneration demand for NOx Catalyst = ON
** Adaptation of O₂ sensors pre and post NOx Catalyst = realized
** Engine speed 1,000 – 2,750 RPM
** Upstream turbine temp 50 – 850 °C
** Temperature of upstream NOx Catalyst 220 – 550 °C
** Engine coolant temp 40 – 105 °C
** Fuel temp < 90 °C
** Accelerator pedal position > 1.0 % and < 100.0 %
** Engine run time > 240 s
** Barometric pressure > 750 hPa
* Monitoring Time Length: 10.0 s
* MIL Illumination: 2 DCY

==== Possible Solutions ====
* Check Oxygen Sensor 1 Before Catalytic Converter -GX10-
* Check Oxygen Sensor 1 After Catalytic Converter -GX7-
* Check Exhaust Gas Temperature Sensors
* Inspect for exhaust leaks before and around NOx Catalyst
* Verify reductant (AdBlue®) dosing and consumption
* Check for correct fuel quality (low sulfur, per manufacturer spec)
* Replace faulty O₂ sensor(s) or EGT sensor(s) as necessary
* Replace NOx Catalyst if efficiency cannot be restored

==== Special Notes ====
* This fault indicates the ECM has determined that the NOx Catalyst is not reducing emissions efficiently enough under monitored conditions.
* Aged catalysts or sulfur-contaminated fuel are common causes.
* Always verify O₂ sensor functionality and exhaust tightness before replacing the NOx Catalyst.
* Repair information and test procedures vary by engine; always confirm with the official factory repair manual.

03409

2025-09-18T18:39:22Z

Peter:

__FORCETOC__

== 03409 - Rolling Mode Recognized ==

==== Possible Symptoms ====
* DTC stored in ABS
* MIL/Warning lamps may illuminate
* No actual drivability complaint in most cases

==== Possible Causes ====
* Vehicle operated on a chassis dynamometer (rolling road)
* Front or drive wheels spinning while vehicle is on a lift
* Mismatch between wheel speed signals and vehicle operating conditions

==== Possible Solutions ====
* Clear DTC after completing work on a chassis dynamometer
* Cycle ignition OFF → wait ~10 seconds → ON, then clear codes
* Ensure vehicle is operated on approved test equipment when simulating road load
* No component replacement is required unless additional faults are present

==== Special Notes ====
* According to the manufacture: ''The malfunction will be automatically erased if, after completing work on the roller chassis dynamometer, the ignition has been switched off and on again.''
* It is possible to set this code when the vehicle is on a service lift, in gear and the drive wheels are spinning.
* If the DTC recurs under normal road use, investigate wheel speed sensors and ABS system further.

16517/P0133/000307

2025-09-18T18:19:57Z

Peter: Created page with "__FORCETOC__ == 16517/P0133/000307 - Oxygen (Lambda) Sensor B1 S1: Response too Slow == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON * Poor fuel economy * I..."

__FORCETOC__

== 16517/P0133/000307 - Oxygen (Lambda) Sensor B1 S1: Response too Slow ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON
* Poor fuel economy
* Increased emissions or failed inspection
* DTC stored in ECM

== Possible Causes ==
* Aged, contaminated, or faulty Oxygen Sensor 1 Before Catalytic Converter -GX10- (Bank 1 Sensor 1)
* Exhaust leak ahead of the front oxygen sensor
* Wiring or connector faults at the front oxygen sensor or its heater circuit
* Air leaks or unmetered air (intake vacuum leaks, PCV issues)
* Fuel delivery or mixture control issues affecting lambda dynamics (fuel pressure, MAF faults)
* Sensor contaminated by silicone, coolant, or leaded additives
* ECM software calibration issues (in rare cases)

== Monitoring Conditions ==
* Monitor Strategy: Front O2 signal dynamic check
* Malfunction Criteria:
** Delayed response
** Slow transition
** Delayed response while avoiding controller oscillations

== Possible Solutions ==
* Address any related DTCs first (misfire, fuel trim, MAF, exhaust leaks)
* Inspect wiring, grounds, and connectors for Oxygen Sensor 1 Before Catalytic Converter
* Verify heater circuit operation for the front oxygen sensor
* Inspect exhaust system for leaks ahead of B1 S1
* Check fuel trims and correct intake leaks or MAF faults
** See: [https://wiki.ross-tech.com/wiki/index.php/Fuel_Trim_Info Fuel Trim Info]
* Evaluate sensor switching speed with scan data or scope
** Induce lean and rich conditions and confirm lean↔rich transition times meet thresholds
*** ''(verify exact test procedure and thresholds with [https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information Official Factory Repair Information])''
* Replace the front oxygen sensor if slow response is confirmed
* Perform any required basic settings or adaptation resets after repairs per [https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information Official Factory Repair Information]

== Special Notes ==
* We always recommend to use original equipment replacement parts, not all sensors are created equally.
* After replacement, clear DTCs and road test to confirm repair.

P2681/009857

2025-09-18T16:55:57Z

Peter: Created page with "__FORCETOC__ == P2681/009857 - Control Circuit for Coolant Bypass Valve: Open Circuit == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON * Engine may take lon..."

__FORCETOC__

== P2681/009857 - Control Circuit for Coolant Bypass Valve: Open Circuit ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON
* Engine may take longer to reach operating temperature
* DTC stored in ECM

== Possible Causes ==
* Open circuit in wiring to Coolant Shut-Off Valve -N82-
* Faulty Coolant Shut-Off Valve -N82-
* Faulty Engine Temperature Control Module -GX33-
* Poor electrical connections (corroded, damaged, or loose pins)

== Possible Solutions ==
* Check wiring and connectors to Coolant Shut-Off Valve -N82-
* Check the Engine Temperature Control Module -GX33-
* Repair or replace damaged wiring/connectors as necessary
* Replace faulty component(s) see https://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information

== Special Notes ==
* Check for updated replacement parts https://www.partslink24.com

C1292/021138

2025-09-18T16:38:28Z

Peter: Created page with "__FORCETOC__ == C1292/021138 - Clutch Actuator for All Wheel Drive: Missing Calibration / Basic Setting == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON ==..."

__FORCETOC__

== C1292/021138 - Clutch Actuator for All Wheel Drive: Missing Calibration / Basic Setting ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON

== Possible Causes ==
* All Wheel Drive Control Module -J492- replaced
* Components associated with clutch actuator replaced
* Basic Settings not performed after repairs

== Possible Solutions ==
* Perform Basic Settings for the All Wheel Drive Control Module -J492- after clearing all other fault codes

== Special Notes ==
* Use the following Basic Settings in vehicles with ASAM Dataset: EV_AWDCQUOD31
** IDE02906-ENG188617 – Resetting clutch data (Reset Kupplungsdaten)
** IDE03198-ENG188614 – Static calibration (Erstkalibrierung)

* Existing Ross-Tech customers can [mailto:Support@Ross-Tech.com email] the complete [http://www.ross-tech.com/vcds/tour/autoscan.php Auto-Scan] and request further assistance.

18432/P2000/008192

2025-09-17T19:05:14Z

Peter: Created page with "__FORCETOC__ == 18432/P2000/008192 - NOx Catalyst/Trap Bank 1: Efficiency Below Threshold == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON * DTC stored in EC..."

__FORCETOC__

== 18432/P2000/008192 - NOx Catalyst/Trap Bank 1: Efficiency Below Threshold ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON
* DTC stored in ECM
* Possible loss of power (limp mode)
* Increased NOx emissions
* Fuel economy concerns during regeneration cycles

== Possible Causes ==
* NOx Catalyst efficiency below threshold
* Faulty or aging NOx Catalyst
* Faulty Oxygen Sensor 1 Before Catalytic Converter -GX10-
* Faulty Oxygen Sensor 1 After Catalytic Converter -GX7-
* Faulty or slow Exhaust Gas Temperature Sensor(s)
* Poor quality fuel or incorrect sulfur content
* Exhaust leaks upstream or around NOx Catalyst
* Adaptation values for O₂ sensors not realized
* Low reductant consumption or dosing malfunction

== Monitoring Conditions ==
* Monitor Strategy: NOx Efficiency Below Threshold
* Malfunction Criteria:
** O₂ signal post NOx Catalyst < 0.95
** O₂ signal pre NOx Catalyst < 0.045
** Mass of reductant consumption < 0.9 g
* Enable Conditions:
** Regeneration demand for NOx Catalyst = ON
** Adaptation of O₂ sensors pre and post NOx Catalyst = realized
** Engine speed 1,000 – 2,750 RPM
** Upstream turbine temp 50 – 850 °C
** Temperature of upstream NOx Catalyst 220 – 550 °C
** Engine coolant temp 40 – 105 °C
** Fuel temp < 90 °C
** Accelerator pedal position > 1.0 % and < 100.0 %
** Engine run time > 240 s
** Barometric pressure > 750 hPa
* Monitoring Time Length: 10.0 s
* MIL Illumination: 2 DCY

== Possible Solutions ==
* Check Oxygen Sensor 1 Before Catalytic Converter -GX10-
* Check Oxygen Sensor 1 After Catalytic Converter -GX7-
* Check Exhaust Gas Temperature Sensors
* Inspect for exhaust leaks before and around NOx Catalyst
* Verify reductant (AdBlue®) dosing and consumption
* Check for correct fuel quality (low sulfur, per manufacturer spec)
* Replace faulty O₂ sensor(s) or EGT sensor(s) as necessary
* Replace NOx Catalyst if efficiency cannot be restored

== Special Notes ==
* This fault indicates the ECM has determined that the NOx Catalyst is not reducing emissions efficiently enough under monitored conditions.
* Aged catalysts or sulfur-contaminated fuel are common causes.
* Always verify O₂ sensor functionality and exhaust tightness before replacing the NOx Catalyst.
* Repair information and test procedures vary by engine; always confirm with the official factory repair manual.

03409

2025-09-16T19:33:24Z

Peter: Created page with "__FORCETOC__ == 03409 - Rolling Mode Recognized == == Possible Symptoms == * DTC stored in ABS * MIL/Warning lamps may illuminate * No actual drivability complaint in most c..."

__FORCETOC__

== 03409 - Rolling Mode Recognized ==

== Possible Symptoms ==
* DTC stored in ABS
* MIL/Warning lamps may illuminate
* No actual drivability complaint in most cases

== Possible Causes ==
* Vehicle operated on a chassis dynamometer (rolling road)
* Front or drive wheels spinning while vehicle is on a lift
* Mismatch between wheel speed signals and vehicle operating conditions

== Possible Solutions ==
* Clear DTC after completing work on a chassis dynamometer
* Cycle ignition OFF → wait ~10 seconds → ON, then clear codes
* Ensure vehicle is operated on approved test equipment when simulating road load
* No component replacement is required unless additional faults are present

== Special Notes ==
* According to the manufacture: ''The malfunction will be automatically erased if, after completing work on the roller chassis dynamometer, the ignition has been switched off and on again.''
* It is possible to set this code when the vehicle is on a service lift, in gear and the drive wheels are spinning.
* If the DTC recurs under normal road use, investigate wheel speed sensors and ABS system further.

16474/P0090/000144

2025-09-15T21:23:04Z

Peter: Created page with "__FORCETOC__ == 16474/P0090/000144 - Valve for Fuel Metering (N290): Open Circuit == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON * Loss of power (limp mod..."

__FORCETOC__

== 16474/P0090/000144 - Valve for Fuel Metering (N290): Open Circuit ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON
* Loss of power (limp mode) possible
* Difficulty starting engine (extended cranking or no start)
* Increased emissions
* DTC stored in ECM

== Possible Causes ==
* Open circuit in wiring to Valve for Fuel Metering -N290-
* Faulty Valve for Fuel Metering -N290-
* Faulty Fuel Pressure Regulator Valve -N276-
* Poor electrical connections (loose, corroded, or damaged pins)
* ECM power stage fault

== Possible Solutions ==
* Check wiring and connectors to Valve for Fuel Metering -N290-
* Check Fuel Pressure Regulator Valve -N276-
* Repair or replace wiring/connectors as necessary
* Replace faulty Valve for Fuel Metering -N290- or Fuel Pressure Regulator Valve -N276-
* If no fault is found in wiring or components, suspect ECM internal fault
* Measure resistance between component connector terminals 1 and 2
** Specified value: 1.5 – 11 Ω (±0.5 Ω @ ~20 °C) ''(verify ALL values with official repair information!)''

== Monitoring Conditions ==
* Signal voltage < 4.70 V
* Power stage = permanently high
* Duration ≥ 0.20 sec.
* Continuous / 2 DCY

== Special Notes ==
* The [[Fuel Metering Valve -N290-]] and [[Fuel Pressure Regulator Valve -N276-]] may be referenced differently depending on engine family.
* Always verify wiring integrity before replacing components.

P20EE/008430

2025-09-15T19:06:34Z

Peter: Created page with "__FORCETOC__ == P20EE/008430 - SCR NOx Catalyst Bank 1: Efficiency too Low == == Possible Symptoms == * MIL (Malfunction Indicator Lamp) ON * Loss of power (limp mode) possi..."

__FORCETOC__
== P20EE/008430 - SCR NOx Catalyst Bank 1: Efficiency too Low ==

== Possible Symptoms ==
* MIL (Malfunction Indicator Lamp) ON
* Loss of power (limp mode) possible
* Increased emissions
* DTC stored in ECM

== Possible Causes ==
* SCR NOx Catalyst efficiency below threshold
* Faulty NOx sensor(s) (upstream or downstream)
* Faulty Reducing Agent Injector -N474-
* Reducing Agent (AdBlue®) quality concern
* Incorrect dosing of reducing agent
* Exhaust leaks upstream of SCR Catalyst
* Catalyst temperature not within range
* DPF regeneration status interfering with monitoring

== Possible Solutions ==
* If a NOx sensor DTC is also present, diagnose that DTC first
* Check Reducing Agent (AdBlue®) quality
* Check NOx Sensor Control Modules
* Check Reducing Agent Injector -N474- https://forums.ross-tech.com/index.php?threads/18568/
* Inspect for exhaust leaks before SCR catalyst
* Verify AdBlue system operation and dosing
* Perform basic settings / adaptations as per factory repair manual
* Replace SCR catalyst if efficiency cannot be restored

== Special Notes ==
* Criteria for Monitoring (as per the offical rapair manuals)
** Difference between calculated and measured efficiency > 0.3 [-]
** Status NOx sensor downstream = ready
** Status NOx sensor upstream = ready
** Urea dosing = active
** Adaptation = not active
** DPF regeneration = not active
** SCR Catalyst temp gradient < 0.2 – 0.34 K/s
** SCR catalyst modeled temp = 240 – 350 °C
** NOx concentration upstream < 1,500 ppm
** Integrated NOx mass flow upstream ≥ 0.4 g
* If AdBlue® is contaminated or incorrect concentration, system performance may be affected. Always use fresh, correct specification AdBlue®.
* If conditions for monitoring are not met (temperature, regeneration status, etc.), efficiency check may not run.

7-Speed Direct Shift Gearbox (DSG/0AM)

2025-09-12T15:48:46Z

Peter:

__FORCETOC__

'''General Information''' about this Transmission can be found in the [http://en.wikipedia.org/wiki/Direct-Shift_Gearbox Wikipedia entry]. Additional information can be found in the [[Official Factory Repair Information]]. 
 
Our Current 0AM-300-04x.lbl label file needs a facelift and the 0AM is not used in the NAR market at this time, so we don't have access to a TCM in a real car. Control Module Maps from these units would be appreciated and that function is explained in detail on the following page: [[Control Module Maps]] Please submit a complete [http://www.ross-tech.com/vcds/tour/autoscan.html Auto Scan] with the control module maps when possible. 
 
This should be obvious but the procedures on this page do NOT apply to transmissions other than 0AM. For example, longitudinal 7 speed DSG's like the [[7-Speed S-Tronic Direct-Shift Gearbox (DSG/0B5) | 0B5]] used in the B8 S4 use a different procedure.
 
 
== Coding ==

* When replacing this Mechatronic unit, simply copy the coding from the original Auto-Scan and paste it into the New Coding section of the replacement followed by clicking '''[[http://www.ross-tech.com/vcds/tour/recode_screen.html Do it!]]'''. 
== Basic Setting ==
'''Prerequisites:''' 
* No Fault Codes (other than No/Incorrect Basic Settings stored in the TCM)
* Transmission oil temperature between 30°C – 60°C for Basic Settings. The Measuring Block value for G510 is found in group 011.1
* Selector Lever in P
* Ignition ON, Engine OFF
* Parking brake applied
* Brake Pedal operated (hold for the whole procedure)
* Throttle Pedal not operated
* See the Special Notes if the Mechatronic unit needs to be replaced. 

'''''NOTE:''' Perform the following steps in the sequence shown, followed by the defined test drive.''

'''[Select]''' 
'''[02 - Transmission]''' 
'''[Basic Settings - 04]''' 
Group 060 
'''[Go!]''' 
'''[ON/OFF/Next]''' may be necessary 

* The live data should display 4 | 0 | 0 in Basic Settings. This may take up to 2–5 minutes.
* After the 4 | 0 | 0 results are displayed, start the engine immediately and allow it to idle.
* If 4 | 0 | 0 is not shown do NOT start the engine, something is wrong with the procedure or the transmission.
** It is normal for the transmission to make noise while the tolerances are adapting.
** Do not exit or abort the Basic Settings sequence prematurely if you hear clacking noises. (Similar to the 02E 6-Speed DSG.)
* The live data should display 254 | 0 | 0 to confirm a successful Basic Settings after 3–6 minutes.
** 254 | 7 | 0 alone is not yet complete, and 255 | 0 | 0 indicates the Basic Settings was interrupted or failed.

'''[Done, Go Back]''' 
Switch off ignition, wait a few seconds, then switch it back on. 
'''[Fault Codes - 02]''' 
Check and clear any fault codes. 
'''[Close Controller, Go Back - 06]''' 
Perform the Defined Test Drive below. 

== Special Procedures ==

'''Prerequisites:''' 
* Transmission fluid greater than 30°C (G510 in group 011.1).
* Clutch adaptations during the road drive begin once oil temperature reaches at least 15°C.
* Do not use Cruise Control. 

'''Safety Note:''' 
* Do not place or operate the tester on the passenger seat during the adaptation drive.
* Serious injury can occur if the passenger airbag deploys.
* Always pay attention to traffic and drive safely. 

=== Defined Test Drive ===
''The Test Drive is required after replacing the Mechatronics module/TCM or after successful Basic Setting.'' 

'''Initial steps:''' 
* With the shifter in Drive (D), accelerate from standstill into 2nd gear, stop and then repeat this step three times.
* With the shifter in Reverse (R), back up, stop and again repeat this step three times.

'''Manual-mode alternating sequence (adaptation counts):''' 
* Move the selector lever into manual (tiptronic) mode.
* Shift up early with light throttle (1,500–2,000 rpm).
* Drive only in even gears (clutch 2), then switch and drive only in odd gears (clutch 1).
* Repeat this alternating pattern several times until at least 3 adaptations are recorded for each clutch (check MVB 180.1 for clutch 1 and 200.1 for clutch 2).

'''Constant-gear conditioning (time-based):''' 
* Select an even gear (clutch 2) and hold it for about 2 minutes while varying the accelerator between 0–90%, avoiding kickdown.
* Select an odd gear (clutch 1) and hold it for about 2 minutes while varying the accelerator between 0–90%, avoiding kickdown.

'''Final check:''' 
* Drive in D through all forward gears and reverse. Starts and shifts should be smooth.
* If not smooth, repeat the adaptation drive and increase the adaptation counter to at least 6 per clutch.

'''Verification:''' 
* Use Measuring Value Blocks (MVB) 180.1 (clutch 1) and 200.1 (clutch 2).
* Successful adaptation is confirmed when each clutch shows ≥ 3 counts. More driving may be required if shifting is not smooth.

'''''NOTE:''' If the test drive cannot be performed in the recommended way or for the required time, any remaining adaptations will be performed automatically during normal driving.''

==== Special Notes ====

* Use the [[Official Factory Repair Information]] if the Mechatronic unit needs to be replaced.
** The ''Removal Position'' Basic Setting group number is 062. This allows the Mechatronic unit to be removed properly per the repair manual.
** The ''Neutral Position'' Basic Setting group number is 061.This would allow the vehicle to move if a clutch was stuck.

* Some modules do not require the use if the [ON/OFF/Next] button. If an Error is displayed after clicking the button, or the Basic Settings status does not switch to On, let the selected group and procedure finish on its own.

* It is normal for the transmission to make noise while the tolerances are adapting. Do not exit or abort the Basic Settings sequence prematurely if you hear clacking noises.

* A large majority of our support requests are related to incorrectly installed mechatronic units. SEAT must see this issue regularly because the parts catalog ([http://wiki.ross-tech.com/wiki/index.php/PR_Codes PartsLink24]) notes TPI 2025486 beside the replacement part numbers!

* If Registered Users experience difficulty with the Basic Settings procedure, please send the complete Auto-Scan in addition to the vehicle repair history to us directly via [mailto:Support@Ross-Tech.com email].

* This [http://forums.ross-tech.com/showthread.php?7680-0AM-DSG-Fault-codes-P173A-P173B-P173C-P173D-P173E-P173F 0AM DSG Fault codes P173A P173B P173C P173D P173E P173F] thread may be helpful when those DTCs are present.
[[Category:Transmissions]]

C123E

2025-09-09T20:35:56Z

Peter: Created page with "__FORCETOC__ = C123E - Hydraulic Brake Booster: Limit Value Reached = == Possible Symptoms == * ABS warning lamp ON * ESC (ESP/ASR) warning lamp ON * Brake system warning..."

__FORCETOC__
= C123E - Hydraulic Brake Booster: Limit Value Reached =

== Possible Symptoms ==
* ABS warning lamp ON
* ESC (ESP/ASR) warning lamp ON
* Brake system warning lamp ON

== Possible Causes ==
* Malfunction in the vacuum system for brake assistance
* Vacuum leaks (lines, check valve, brake booster)
* Defective or insufficient vacuum pump
* Faulty brake booster or vacuum sensor
* Hydraulic Boost Compensation (HBC) activated repeatedly due to loss of vacuum supply
* Prolonged driving with unresolved vacuum system malfunction

== Possible Solution ==
* If DTC '''C123EF0 Hydraulic brake servo limit reached''' is stored, the manufacture says the ABS unit must be replaced.
* At the same time, the vacuum system for the braking assistance must be fully inspected and permanently repaired, even if the malfunction appears intermittent or cannot be reproduced at the time of service.
* Failure to correct the underlying vacuum malfunction will eventually cause the new ABS unit to again exceed the HBC limit and shut down.

== Special Notes ==
* If there is a malfunction in the vacuum system for the braking assistance, the ABS control unit activates Hydraulic Boost Compensation (HBC) to maintain braking assistance.

* However, only a limited number of HBC activations are permitted. Once this limit is reached, the ABS control unit permanently deactivates braking electronics and logs the event: '''C123EF0 Hydraulic brake servo limit reached'''.

* At that point, the ABS unit must be replaced.
* This is not a random failure of the ABS unit, but rather a safeguard triggered because a vacuum-related malfunction was not repaired in a timely manner.
* See the [https://static.nhtsa.gov/odi/tsbs/2019/MC-10161868-9999.pdf Bentley Motorcars Technical Service Bulletin 2053923] – Although this bulletin is written for Bentley vehicles, the information and condition described may also apply to other Volkswagen Group brands

[[Category:Fault Codes]]

B2005

2025-09-08T18:32:16Z

Peter:

__FORCETOC__
=== B2005 - Invalid data record ===

==== Possible Symptoms ====

* Controller functions limitation

==== Possible Causes ====

* The parameter data stored in the control unit is incorrect.

==== Possible Solutions ====

* Update the software with the factory scan tool ODIS, follow the instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.

==== Special Notes ====
* This fault usually means there's a bug in the factory firmware, parameter related data in the control unit is incorrect or parameter data is missing because the module has not been configured via SVM with a direct connection to VW/Audi headquarters.
* When found in the BA-Motor Mounts (J931) control module (typically in conjunction with [[B2010]]) on Audi vehicles with 4.0T engine see:
** NAR (North American) Market TPI 2036392
*** https://static.nhtsa.gov/odi/tsbs/2017/MC-10128212-9999.pdf NHTSA
**** 2013-2015 S6/S7/RS7/A8/R8 with 4.0T engine
** RoW (Rest of World) Market TPI 2036309
*** Those TPIs discuss Audi SVM code BAA001 for the flash update in addition to a mechanical adjustment and Basic Setting procedure. The RoW document includes the S8 model.

[[Category:Fault Codes]]

00219

2025-08-28T20:11:19Z

Peter: Created page with "== 00219 - Loading Level Active == === 00219 - Loading Level Active === ==== Possible Symptoms ==== * Vehicle ride height is stuck in position. ==== Possible Causes ====..."

== 00219 - Loading Level Active ==

=== 00219 - Loading Level Active ===

==== Possible Symptoms ====

* Vehicle ride height is stuck in position.

==== Possible Causes ====

* Vehicle's Level Control system is in Transport / Jack Mode

==== Possible Solutions ====

* Check/adjust Adaptation channel (see list) for "Level Control System Deactivation / Jack Mode" current value

__FORCETOC__
[[Category:Fault Codes]]

Battery Replacement

2025-08-19T19:35:42Z

Peter: /* Battery Part Numbers */

__FORCETOC__

A large majority of modern VW/Audi/Seat/Skoda vehicles require the configuration of replacement batteries. The diagnostic steps vary depending on the actual vehicle configuration.

'''Prerequisites:''' 
* New VW/Audi Battery Installed
** Aftermarket batteries may NOT have a valid Part Number, Vendor code or Serial number. Ross-Tech cannot offer assistance if the necessary information is missing.
* Key On, Engine OFF
 

== 61-Battery Regulation using CAN ==
This procedure applies to battery replacement in vehicles using a separate battery management control module.
Address '''61: Battery Regul.''' Labels: 4F0-910-181.lbl
Part No SW: 4F0 910 181 E HW: 4F0 915 181 A
Component: ENERGIEMANAGER H12 0490

Subsystem 1 - Part No: 000 915 105 C
Component: von VA0 2502160103
Coding: 303030393135313035432056413032353032313630313033
Shop #: WSC 54332 321 22222
=== Coding ===
'''[Select]''' 
'''[61 - Battery Regulation]''' 
'''[Coding - 07]''' 
Use the pull down menu to select the battery (slave) listed as #1. 
'''[http://www.ross-tech.com/vcds/tour/recode_screen.html#battery [Battery Coding]]''' 
* Enter the new Battery Part Number (10 or 11 digits).
* Enter the new Battery Serial Number (10 digits).
* Select the new Battery Vendor.
'''[OK]''' 
'''[Do it!]''' 
'''[Close Controller, Go Back - 06]''' 

Your new Battery should now be coded and the Battery Control Module should be aware of the new Battery. 

=== Special Notes ===
* Some vehicles like Audi R8 along with some rest-of-world models with Stop-Start, can have a 61 that is really a virtual module in the 19-CAN Gateway. In these cases, the new battery information is entered in 61-Battery Regulation then Adaptation Channel 004.

----

== 19-CAN Gateway using CAN ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address '''19: CAN Gateway (J533)''' Labels: 8T0-907-468.clb
Part No SW: 8T0 907 468 Q HW: 8T0 907 468 L
Component: GW-BEM 5CAN-M H10 0095

Subsystem 1 - Part No SW: 8K0 915 181 B HW: 8K0 915 181 B
Component: '''J367-BDM''' H04 0150
=== Long Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html#long [Long Adaptation-0A]] function under 19-CAN-Gateway control module. Follow the on-screen instructions to enter the Part Number, Vendor, and Serial Number all as one long new value. 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Long Adaptation-0A]''' 
Channel 004 
'''[Read]''' 
VCDS will populate instructions in the form of a pop-up balloon with the formatting. For example:
Format: NNNNNNNNNNN XXX ZZZZZZZZZZ

N = Battery Part Number (11 Digits)
X = Battery Vendor (3 Digits)
Z = Battery Serial Number (10 Digits)

'''[Add to Log]''' ''Saving the original value to a log is strongly recommended''. 
Type the New Battery details into the '''New value''' field. 
* Note, the New value must be 26 (alpha numeric) total characters including the spaces! If in doubt check the saved log for the original battery formatting details.
'''[Test]''' 
'''[Save]''' 
Providing the value was accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''

=== Special Notes ===
* Measuring Block groups 017, 018, 019 and 020 should show Battery information.
* Registered users encountering difficulty can contact us via [mailto:Support@Ross-Tech.com email] -or- join and post in [http://forums.ross-tech.com our forum]. Please include the Auto-Scan, Saved Adaptation Channel 004 Log prior to modifications, the part number, serial number and vendor code located on the original battery and the details located on the brand new battery in addition to the error message details.
tinyurl.com/pzgolq7

----

== 19-CAN Gateway using (UDS/ODX) ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address 19: '''CAN Gateway (J533)''' Labels: None
Part No SW: 4G0 907 468 E HW: 4G0 907 468 A
Component: J533--Gateway H08 0213
ASAM Dataset: EV_GatewUDS 001025

'''Battery Monitoring Control Module''':
Subsystem 1 - Part No SW: 8X0 915 181 HW: 8X0 915 181
Component: J367-BDM H07 0140
=== Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html [Adaptation-10]] function under 19-CAN-Gateway control module. Use the drop-down menus to enter the Part Number, Vendor, and Serial Number information located on the new battery . 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Adaptation - 10]''' 
* '''Battery adaptation - Size'''
* This may be something like IDE03256-MAS04490 Battery adaptation - Size or IDE03256-MAS06105 Battery adaptation-Rated battery capacity
** Select the battery Ah rating from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Manufacturer'''
** This may be something like IDE03256-MAS03159 Battery adaptation - Manufacturer or IDE03256-MAS06107 Battery adaptation-Battery manufacturer
*** Select the battery manufacturer from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Serial number'''
** This may be something like IDE03256-IDE00010 Battery adaptation - Serial number or IDE03256-MAS06108 Battery adaptation-Battery Serial Number
*** Type the serial number code from the replacement battery followed by '''[Do It!]''' and confirm '''[Yes]'''
* If the Battery Type is modified the '''Battery technology''' channel should be checked. If the replacement battery is the same type modifications to this channel are NOT necessary.
** This may be something like IDE03256-MAS06106 Battery adaptation-Battery technology
*** Factory installed AGM often use Fleece
*** Factory installed Enhanced Flooded Batteries use EFB
*** Factory installed Sealed Lead Acid (SLA) use Wet
Providing the values were accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''
 

----
 

== Battery Part Numbers ==
Note: Some battery controllers may only recognize the ''Original Part number'' and not the newer Audi/VW Supersession. If a new or superseded part number is rejected when performing battery coding, use the corresponding ''original part number'' from the chart below instead.

Keep in mind this limitation applies to the coding identifier only. The newer superseded battery can still be installed and will function correctly as long as it meets the required specifications (capacity, chemistry, and internal resistance).

=== Part Number Reference table ===

{| class="wikitable" style="width:100%;"
! style="text-align:left;" | Original Part Numbers
! style="text-align:left;" | Superseded Part Numbers
! style="text-align:left;" | Capacity (Ah)
! style="text-align:left;" | Chemistry
! style="text-align:left;" | Internal Resistance (mΩ)
|-
| 8K0915105J
| 000915105BB, 000915105DC
| 51
| Standard / Flooded
| 7.6
|-
| 1S0915105A
| 000915105EB
| 59
| EFB
| 7.3
|-
| 4F0915105, 8K0915105G
| 000915105DD
| 60
| Standard / Flooded
| 7.6
|-
| 8K0915105H
| 000915105AD, 000915105DE
| 61
| Standard / Flooded
| 7.3
|-
| 7L0915105
| 000915105CC
| 68
| AGM (Fleece)
| 6.9
|-
| 6R0915105B
| 000915105EC
| 69
| EFB
| 7.0
|-
| 4F0915105A, 8K0915105C
| 000915105DF
| 70
| Standard / Flooded
| 7.3
|-
| 8K0915105B
| 000915105AF, 000915105DG
| 72
| Standard / Flooded
| 6.9
|-
| 3D0915105H
| 000915105CD
| 75
| AGM (Fleece)
| 7.1
|-
| 7N0915105B
| 000915705ED
| 79
| EFB
| 6.7
|-
| 4F0915105B, 4FD915105, 8K0915105D, 8KD915105A
| 000915105AG, 000915105DH
| 80
| Standard / Flooded
| 6.9
|-
| 4F0915105E, 5GM915105T, 8K0915105K
| 000915105CE
| 92
| AGM (Fleece)
| 6.0
|-
| 4F0915105C, 8K0915105E
| 000915105AH, 000915105DK
| 95
| Standard / Flooded
| 6.5
|-
| 4F0915105D, 8K0915105F, 8KD915105A
| 000915105AK, 000915105DL
| 110
| Standard / Flooded
| 6.0
|-
| 4L0915105
| 000915105CF
| 105
| AGM (Fleece)
| 5.6
|-
| 4H0915105
| 000915105DM
| 115
| Standard / Flooded
| 5.6
|}

=== Battery Abbreviations ===

{| class="wikitable" style="text-align:left;"
! Abbreviation
! Meaning
|-
| AGM
| Absorbent Glass Mat (Vlies)
|-
| EFB
| Enhanced Flooded Battery
|-
| FLA
| Flooded Lead-Acid (conventional "wet cell")
|-
| GEL
| Gel Electrolyte VRLA battery
|-
| SLA
| Sealed Lead-Acid battery
|-
| VRLA
| Valve-Regulated Lead-Acid battery
|}

 

== Example Picture ==
'''Note''': The 10 digit serial number may be preceded by the Battery Vendor Code, for instance VA0. See examples below:
{| class="wikitable" border="0" width="450"
|-
!colspan="14" style="background:white"| Click on thumbnail image to enlarge.
|-
| [[File:Battery serial number.jpg|200px|center|caption]]
|-
| If the code is VA0310314E04G then drop the VA0 and just enter 310314E04G as the Serial Number.
|}
 
== Video Link ==
[[File:Wikibatterycoding.jpg|200px|link=http://www.youtube.com/watch?v=IJAScg6JrYI]]

http://www.youtube.com/watch?v=IJAScg6JrYI
== Notes ==
* Users encountering difficulty with the data shown on the battery sticker may want to:
** Consider scanning the QR code with a smart phone app. 
** Refer to this [http://www.audizine.com/forum/showthread.php/581232-B8-A4-Battery-Replacement-Coding B8 A4 Battery Replacement - Coding] thread which discusses labels in some detail.
** We have seen some cases where (contrary to established norms) some Varta batteries have VAO (letter O) instead of VA0 (number 0). If you encounter a problem with Coding one of these, please try substituting the letter for the number or vice versa.
** Based on feedback MLB based CAN Gateway modules often reject ZET, EMC and JCB vendor codes. In those cases we recommend using Varta so the control module will accept the new value.

[[Category:Subsystems]]

Battery Replacement

2025-08-19T19:10:42Z

Peter:

__FORCETOC__

A large majority of modern VW/Audi/Seat/Skoda vehicles require the configuration of replacement batteries. The diagnostic steps vary depending on the actual vehicle configuration.

'''Prerequisites:''' 
* New VW/Audi Battery Installed
** Aftermarket batteries may NOT have a valid Part Number, Vendor code or Serial number. Ross-Tech cannot offer assistance if the necessary information is missing.
* Key On, Engine OFF
 

== 61-Battery Regulation using CAN ==
This procedure applies to battery replacement in vehicles using a separate battery management control module.
Address '''61: Battery Regul.''' Labels: 4F0-910-181.lbl
Part No SW: 4F0 910 181 E HW: 4F0 915 181 A
Component: ENERGIEMANAGER H12 0490

Subsystem 1 - Part No: 000 915 105 C
Component: von VA0 2502160103
Coding: 303030393135313035432056413032353032313630313033
Shop #: WSC 54332 321 22222
=== Coding ===
'''[Select]''' 
'''[61 - Battery Regulation]''' 
'''[Coding - 07]''' 
Use the pull down menu to select the battery (slave) listed as #1. 
'''[http://www.ross-tech.com/vcds/tour/recode_screen.html#battery [Battery Coding]]''' 
* Enter the new Battery Part Number (10 or 11 digits).
* Enter the new Battery Serial Number (10 digits).
* Select the new Battery Vendor.
'''[OK]''' 
'''[Do it!]''' 
'''[Close Controller, Go Back - 06]''' 

Your new Battery should now be coded and the Battery Control Module should be aware of the new Battery. 

=== Special Notes ===
* Some vehicles like Audi R8 along with some rest-of-world models with Stop-Start, can have a 61 that is really a virtual module in the 19-CAN Gateway. In these cases, the new battery information is entered in 61-Battery Regulation then Adaptation Channel 004.

----

== 19-CAN Gateway using CAN ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address '''19: CAN Gateway (J533)''' Labels: 8T0-907-468.clb
Part No SW: 8T0 907 468 Q HW: 8T0 907 468 L
Component: GW-BEM 5CAN-M H10 0095

Subsystem 1 - Part No SW: 8K0 915 181 B HW: 8K0 915 181 B
Component: '''J367-BDM''' H04 0150
=== Long Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html#long [Long Adaptation-0A]] function under 19-CAN-Gateway control module. Follow the on-screen instructions to enter the Part Number, Vendor, and Serial Number all as one long new value. 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Long Adaptation-0A]''' 
Channel 004 
'''[Read]''' 
VCDS will populate instructions in the form of a pop-up balloon with the formatting. For example:
Format: NNNNNNNNNNN XXX ZZZZZZZZZZ

N = Battery Part Number (11 Digits)
X = Battery Vendor (3 Digits)
Z = Battery Serial Number (10 Digits)

'''[Add to Log]''' ''Saving the original value to a log is strongly recommended''. 
Type the New Battery details into the '''New value''' field. 
* Note, the New value must be 26 (alpha numeric) total characters including the spaces! If in doubt check the saved log for the original battery formatting details.
'''[Test]''' 
'''[Save]''' 
Providing the value was accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''

=== Special Notes ===
* Measuring Block groups 017, 018, 019 and 020 should show Battery information.
* Registered users encountering difficulty can contact us via [mailto:Support@Ross-Tech.com email] -or- join and post in [http://forums.ross-tech.com our forum]. Please include the Auto-Scan, Saved Adaptation Channel 004 Log prior to modifications, the part number, serial number and vendor code located on the original battery and the details located on the brand new battery in addition to the error message details.
tinyurl.com/pzgolq7

----

== 19-CAN Gateway using (UDS/ODX) ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address 19: '''CAN Gateway (J533)''' Labels: None
Part No SW: 4G0 907 468 E HW: 4G0 907 468 A
Component: J533--Gateway H08 0213
ASAM Dataset: EV_GatewUDS 001025

'''Battery Monitoring Control Module''':
Subsystem 1 - Part No SW: 8X0 915 181 HW: 8X0 915 181
Component: J367-BDM H07 0140
=== Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html [Adaptation-10]] function under 19-CAN-Gateway control module. Use the drop-down menus to enter the Part Number, Vendor, and Serial Number information located on the new battery . 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Adaptation - 10]''' 
* '''Battery adaptation - Size'''
* This may be something like IDE03256-MAS04490 Battery adaptation - Size or IDE03256-MAS06105 Battery adaptation-Rated battery capacity
** Select the battery Ah rating from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Manufacturer'''
** This may be something like IDE03256-MAS03159 Battery adaptation - Manufacturer or IDE03256-MAS06107 Battery adaptation-Battery manufacturer
*** Select the battery manufacturer from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Serial number'''
** This may be something like IDE03256-IDE00010 Battery adaptation - Serial number or IDE03256-MAS06108 Battery adaptation-Battery Serial Number
*** Type the serial number code from the replacement battery followed by '''[Do It!]''' and confirm '''[Yes]'''
* If the Battery Type is modified the '''Battery technology''' channel should be checked. If the replacement battery is the same type modifications to this channel are NOT necessary.
** This may be something like IDE03256-MAS06106 Battery adaptation-Battery technology
*** Factory installed AGM often use Fleece
*** Factory installed Enhanced Flooded Batteries use EFB
*** Factory installed Sealed Lead Acid (SLA) use Wet
Providing the values were accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''
 

----
 

== Battery Part Numbers ==
Note: Some battery controllers may only recognize the ''Original Part number'' and not the newer Audi/VW Supersession. If a new or superseded part number is rejected when performing battery coding, use the corresponding ''original part number'' from the chart below instead.

Keep in mind this limitation applies to the coding identifier only. The newer superseded battery can still be installed and will function correctly as long as it meets the required specifications (capacity, chemistry, and internal resistance).

=== Part Number Reference table ===

{| class="wikitable" style="width:100%;"
! style="text-align:left;" | Original Part Numbers
! style="text-align:left;" | Superseded Part Numbers
! style="text-align:left;" | Capacity (Ah)
! style="text-align:left;" | Chemistry
! style="text-align:left;" | Internal Resistance (mΩ)
|-
| 8K0915105J
| 000915105BB, 000915105DC
| 51
| Standard / Flooded
| 7.6
|-
| 1S0915105A
| 000915105EB
| 59
| EFB
| 7.3
|-
| 4F0915105, 8K0915105G
| 000915105DD
| 60
| Standard / Flooded
| 7.6
|-
| 8K0915105H
| 000915105AD, 000915105DE
| 61
| Standard / Flooded
| 7.3
|-
| 7L0915105
| 000915105CC
| 68
| AGM (Fleece)
| 6.9
|-
| 6R0915105B
| 000915105EC
| 69
| EFB
| 7.0
|-
| 4F0915105A, 8K0915105C
| 000915105DF
| 70
| Standard / Flooded
| 7.3
|-
| 8K0915105B
| 000915105AF, 000915105DG
| 72
| Standard / Flooded
| 6.9
|-
| 3D0915105H
| 000915105CD
| 75
| AGM (Fleece)
| 7.1
|-
| 7N0915105B
| 000915705ED
| 79
| EFB
| 6.7
|-
| 4F0915105B, 4FD915105, 8K0915105D, 8KD915105A
| 000915105AG, 000915105DH
| 80
| Standard / Flooded
| 6.9
|-
| 4F0915105E, 5GM915105T, 8K0915105K
| 000915105CE
| 92
| AGM (Fleece)
| 6.0
|-
| 4F0915105C, 8K0915105E
| 000915105AH, 000915105DK
| 95
| Standard / Flooded
| 6.5
|-
| 4F0915105D, 8K0915105F, 8KD915105A
| 000915105AK, 000915105DL
| 110
| Standard / Flooded
| 6.0
|-
| 4L0915105
| 000915105CF
| 105
| AGM (Fleece)
| 5.6
|-
| 4H0915105
| 000915105DM
| 115
| Standard / Flooded
| 5.6
|}

 

== Example Picture ==
'''Note''': The 10 digit serial number may be preceded by the Battery Vendor Code, for instance VA0. See examples below:
{| class="wikitable" border="0" width="450"
|-
!colspan="14" style="background:white"| Click on thumbnail image to enlarge.
|-
| [[File:Battery serial number.jpg|200px|center|caption]]
|-
| If the code is VA0310314E04G then drop the VA0 and just enter 310314E04G as the Serial Number.
|}
 
== Video Link ==
[[File:Wikibatterycoding.jpg|200px|link=http://www.youtube.com/watch?v=IJAScg6JrYI]]

http://www.youtube.com/watch?v=IJAScg6JrYI
== Notes ==
* Users encountering difficulty with the data shown on the battery sticker may want to:
** Consider scanning the QR code with a smart phone app. 
** Refer to this [http://www.audizine.com/forum/showthread.php/581232-B8-A4-Battery-Replacement-Coding B8 A4 Battery Replacement - Coding] thread which discusses labels in some detail.
** We have seen some cases where (contrary to established norms) some Varta batteries have VAO (letter O) instead of VA0 (number 0). If you encounter a problem with Coding one of these, please try substituting the letter for the number or vice versa.
** Based on feedback MLB based CAN Gateway modules often reject ZET, EMC and JCB vendor codes. In those cases we recommend using Varta so the control module will accept the new value.

[[Category:Subsystems]]

Battery Replacement

2025-08-19T19:04:46Z

Peter:

__FORCETOC__

A large majority of modern VW/Audi/Seat/Skoda vehicles require the configuration of replacement batteries. The diagnostic steps vary depending on the actual vehicle configuration.

'''Prerequisites:''' 
* New VW/Audi Battery Installed
** Aftermarket batteries may NOT have a valid Part Number, Vendor code or Serial number. Ross-Tech cannot offer assistance if the necessary information is missing.
* Key On, Engine OFF
 

== 61-Battery Regulation using CAN ==
This procedure applies to battery replacement in vehicles using a separate battery management control module.
Address '''61: Battery Regul.''' Labels: 4F0-910-181.lbl
Part No SW: 4F0 910 181 E HW: 4F0 915 181 A
Component: ENERGIEMANAGER H12 0490

Subsystem 1 - Part No: 000 915 105 C
Component: von VA0 2502160103
Coding: 303030393135313035432056413032353032313630313033
Shop #: WSC 54332 321 22222
=== Coding ===
'''[Select]''' 
'''[61 - Battery Regulation]''' 
'''[Coding - 07]''' 
Use the pull down menu to select the battery (slave) listed as #1. 
'''[http://www.ross-tech.com/vcds/tour/recode_screen.html#battery [Battery Coding]]''' 
* Enter the new Battery Part Number (10 or 11 digits).
* Enter the new Battery Serial Number (10 digits).
* Select the new Battery Vendor.
'''[OK]''' 
'''[Do it!]''' 
'''[Close Controller, Go Back - 06]''' 

Your new Battery should now be coded and the Battery Control Module should be aware of the new Battery. 

=== Special Notes ===
* Some vehicles like Audi R8 along with some rest-of-world models with Stop-Start, can have a 61 that is really a virtual module in the 19-CAN Gateway. In these cases, the new battery information is entered in 61-Battery Regulation then Adaptation Channel 004.

----

== 19-CAN Gateway using CAN ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address '''19: CAN Gateway (J533)''' Labels: 8T0-907-468.clb
Part No SW: 8T0 907 468 Q HW: 8T0 907 468 L
Component: GW-BEM 5CAN-M H10 0095

Subsystem 1 - Part No SW: 8K0 915 181 B HW: 8K0 915 181 B
Component: '''J367-BDM''' H04 0150
=== Long Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html#long [Long Adaptation-0A]] function under 19-CAN-Gateway control module. Follow the on-screen instructions to enter the Part Number, Vendor, and Serial Number all as one long new value. 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Long Adaptation-0A]''' 
Channel 004 
'''[Read]''' 
VCDS will populate instructions in the form of a pop-up balloon with the formatting. For example:
Format: NNNNNNNNNNN XXX ZZZZZZZZZZ

N = Battery Part Number (11 Digits)
X = Battery Vendor (3 Digits)
Z = Battery Serial Number (10 Digits)

'''[Add to Log]''' ''Saving the original value to a log is strongly recommended''. 
Type the New Battery details into the '''New value''' field. 
* Note, the New value must be 26 (alpha numeric) total characters including the spaces! If in doubt check the saved log for the original battery formatting details.
'''[Test]''' 
'''[Save]''' 
Providing the value was accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''

=== Special Notes ===
* Measuring Block groups 017, 018, 019 and 020 should show Battery information.
* Registered users encountering difficulty can contact us via [mailto:Support@Ross-Tech.com email] -or- join and post in [http://forums.ross-tech.com our forum]. Please include the Auto-Scan, Saved Adaptation Channel 004 Log prior to modifications, the part number, serial number and vendor code located on the original battery and the details located on the brand new battery in addition to the error message details.
tinyurl.com/pzgolq7

----

== 19-CAN Gateway using (UDS/ODX) ==
This procedure applies to battery replacement in vehicles using a battery management control module that is a slave/subsystem of the CAN Gateway.
Address 19: '''CAN Gateway (J533)''' Labels: None
Part No SW: 4G0 907 468 E HW: 4G0 907 468 A
Component: J533--Gateway H08 0213
ASAM Dataset: EV_GatewUDS 001025

'''Battery Monitoring Control Module''':
Subsystem 1 - Part No SW: 8X0 915 181 HW: 8X0 915 181
Component: J367-BDM H07 0140
=== Adaptation ===
Installation of a new battery requires the use of the [http://www.ross-tech.com/vcds/tour/adaptation_screen.html [Adaptation-10]] function under 19-CAN-Gateway control module. Use the drop-down menus to enter the Part Number, Vendor, and Serial Number information located on the new battery . 
 
'''[Select]''' 
'''[19 - CAN-Gateway]''' 
'''[Adaptation - 10]''' 
* '''Battery adaptation - Size'''
* This may be something like IDE03256-MAS04490 Battery adaptation - Size or IDE03256-MAS06105 Battery adaptation-Rated battery capacity
** Select the battery Ah rating from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Manufacturer'''
** This may be something like IDE03256-MAS03159 Battery adaptation - Manufacturer or IDE03256-MAS06107 Battery adaptation-Battery manufacturer
*** Select the battery manufacturer from the drop-down menu followed by '''[Do It!]''' and confirm '''[Yes]'''
* '''Battery adaptation - Serial number'''
** This may be something like IDE03256-IDE00010 Battery adaptation - Serial number or IDE03256-MAS06108 Battery adaptation-Battery Serial Number
*** Type the serial number code from the replacement battery followed by '''[Do It!]''' and confirm '''[Yes]'''
* If the Battery Type is modified the '''Battery technology''' channel should be checked. If the replacement battery is the same type modifications to this channel are NOT necessary.
** This may be something like IDE03256-MAS06106 Battery adaptation-Battery technology
*** Factory installed AGM often use Fleece
*** Factory installed Enhanced Flooded Batteries use EFB
*** Factory installed Sealed Lead Acid (SLA) use Wet
Providing the values were accepted by the controller the new battery coding is complete. 
'''[Done, Go Back]''' 
'''[Close Controller, Go Back - 06]'''
 

----
 

== Battery Part Numbers ==
Note: Some battery controllers may only recognize the ''Original Part number'' and not the newer Audi/VW Supersession. If a new or superseded part number is rejected when performing battery coding, use the corresponding ''original part number'' from the chart below instead.

Keep in mind this limitation applies to the coding identifier only. The newer superseded battery can still be installed and will function correctly as long as it meets the required specifications (capacity, chemistry, and internal resistance).

=== Part Number Reference table ===

{| class="wikitable" style="width:100%;"
! style="text-align:left;" | Original Part Numbers
! style="text-align:left;" | Superseded Part Numbers
! style="text-align:left;" | Capacity (Ah)
! style="text-align:left;" | Chemistry
! style="text-align:left;" | Internal Resistance (mΩ)
|-
| 8K0915105J
| 000915105BB, 000915105DC
| 51
| Standard / Flooded
| 7.6
|-
| 1S0915105A
| 000915105EB
| 59
| EFB
| 7.3
|-
| 4F0915105, 8K0915105G
| 000915105DD
| 60
| Standard / Flooded
| 7.6
|-
| 8K0915105H
| 000915105AD, 000915105DE
| 61
| Standard / Flooded
| 7.3
|-
| 7L0915105
| 000915105CC
| 68
| AGM (Vlies)
| 6.9
|-
| 6R0915105B
| 000915105EC
| 69
| EFB
| 7.0
|-
| 4F0915105A, 8K0915105C
| 000915105DF
| 70
| Standard / Flooded
| 7.3
|-
| 8K0915105B
| 000915105AF, 000915105DG
| 72
| Standard / Flooded
| 6.9
|-
| 3D0915105H
| 000915105CD
| 75
| AGM (Vlies)
| 7.1
|-
| 7N0915105B
| 000915705ED
| 79
| EFB
| 6.7
|-
| 4F0915105B, 4FD915105, 8K0915105D, 8KD915105A
| 000915105AG, 000915105DH
| 80
| Standard / Flooded
| 6.9
|-
| 4F0915105E, 5GM915105T, 8K0915105K
| 000915105CE
| 92
| AGM (Vlies)
| 6.0
|-
| 4F0915105C, 8K0915105E
| 000915105AH, 000915105DK
| 95
| Standard / Flooded
| 6.5
|-
| 4F0915105D, 8K0915105F, 8KD915105A
| 000915105AK, 000915105DL
| 110
| Standard / Flooded
| 6.0
|-
| 4L0915105
| 000915105CF
| 105
| AGM (Vlies)
| 5.6
|-
| 4H0915105
| 000915105DM
| 115
| Standard / Flooded
| 5.6
|}

 

== Example Picture ==
'''Note''': The 10 digit serial number may be preceded by the Battery Vendor Code, for instance VA0. See examples below:
{| class="wikitable" border="0" width="450"
|-
!colspan="14" style="background:white"| Click on thumbnail image to enlarge.
|-
| [[File:Battery serial number.jpg|200px|center|caption]]
|-
| If the code is VA0310314E04G then drop the VA0 and just enter 310314E04G as the Serial Number.
|}
 
== Video Link ==
[[File:Wikibatterycoding.jpg|200px|link=http://www.youtube.com/watch?v=IJAScg6JrYI]]

http://www.youtube.com/watch?v=IJAScg6JrYI
== Notes ==
* Users encountering difficulty with the data shown on the battery sticker may want to:
** Consider scanning the QR code with a smart phone app. 
** Refer to this [http://www.audizine.com/forum/showthread.php/581232-B8-A4-Battery-Replacement-Coding B8 A4 Battery Replacement - Coding] thread which discusses labels in some detail.
** We have seen some cases where (contrary to established norms) some Varta batteries have VAO (letter O) instead of VA0 (number 0). If you encounter a problem with Coding one of these, please try substituting the letter for the number or vice versa.
** Based on feedback MLB based CAN Gateway modules often reject ZET, EMC and JCB vendor codes. In those cases we recommend using Varta so the control module will accept the new value.

[[Category:Subsystems]]

18695/P2263/008803

2025-08-15T19:32:38Z

Peter: /* Special Notes */

== 18695/P2263/008803 - Turbo/Super Charger Boost System: Performance ==

==== Possible Symptoms ====

* Malfunction Indicator Light (MIL) ON

==== Possible Causes ====

* Hoses incorrect connected, disconnected, blocked or leaking
* Solenoid Valve for Boost Pressure Control (N75) defective

==== Possible Solutions ====

* Check Hoses
* Check Solenoid Valve for Boost Pressure Control (N75)
* Check Cam Adjusters as per Repair Manual

==== Special Notes ====

* On some engines, TPI 2016970 may apply. Boost Pressure Control (N75) part number 06F-906-283-D can cause P2263 and/or P0234.
*This fault code will set on vehicles equipped with a Charge Air Pressure Actuator Position Sensor (G581) when the sensor output voltage exceeds 4.5 volts.

__FORCETOC__
[[Category:Fault Codes]]

User:Peter

2025-07-31T14:19:27Z

Peter: Blanked the page

User:Peter

2025-07-30T18:37:44Z

Peter: /* Factory Tool vs VCDS Comparison */

= WARNING: RESTRICTED ACCESS =

Your attempt to access this page is considered UNAUTHORIZED!
'''ERROR 401: UNAUTHORIZED'''

Your IP address has been logged.

------------------------------------------------------------

= Volkswagen SFD, SFD2 & Service Reminder Reset (SRI) with VCDS =

== Overview ==

Volkswagen Group introduced SFD ('''Schutz der Fahrzeugdiagnose''' – Protection of Vehicle Diagnostics) in 2020 to enhance cybersecurity and control access to vehicle software. In 2024, a second layer called '''SFD2''' was introduced, requiring cryptographic validation for critical changes.

This page explains how VCDS interacts with SFD and SFD2 systems and provides step-by-step instructions for resetting the Service Reminder (SRI) on protected vehicles.

== What is SFD and SFD2? ==

'''SFD (v1)''' restricts coding, adaptations, and other “write” functions unless a one-time unlock token is used. VCDS supports this system using a manual token entry method.

'''SFD2 (v2)''' is used in 2024+ vehicles and protects specific data changes using encrypted, per-operation validation. SFD2 requires Volkswagen’s online infrastructure and is currently unsupported by VCDS.

SFD and SFD2 do '''not''' block:
* Reading fault codes (DTCs)
* Viewing live data (Measuring Blocks)
* Performing an Auto-Scan

== How VCDS Works with SFD ==

VCDS supports SFD by:
* Detecting SFD-protected modules
* Displaying the module's challenge string
* Allowing manual entry of the corresponding unlock token

VCDS does not generate or request unlock tokens itself. Tokens must be obtained separately and are valid for:
* One module only
* One session (approximately 90 minutes)

'''SFD2 is not supported by VCDS.'''

== Manual Unlock Process in VCDS ==

# Open VCDS and connect to the module
# Attempt a function (e.g., Adaptation or Security Access)
# Copy the displayed challenge string
# Submit the challenge to a trusted token provider
# Paste the returned release token into VCDS
# The module unlocks for ~90 minutes

== Resetting the Service Reminder (SRI) ==

=== Vehicles Without SFD (Pre-2020) ===

Older vehicles do not require SFD unlocks.
→ [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour Page]

=== Vehicles With SFD ===

Some newer vehicles (e.g., Golf 8, ID.4) have SFD in:
* '''17-Instruments'''
* '''5F-Infotainment'''

Steps:
# Retrieve the challenge string in VCDS
# Obtain and enter the unlock token
# Perform the SRI reset within the 90-minute window

=== Vehicles With SFD2 / Gateway Filtering ===

Newer platforms may also use a diagnostic filter in '''19-Gateway'''.

Steps:
# Retrieve and unlock 19 using a token
# In 19, go to Adaptation and set:
<code>DE16611 – Diagnosis filter: temporary deactivation → not active</code>
# This disables the diagnostic filter for ~20 km
# Unlock 5F (or other protected modules) using tokens
# Perform the SRI reset

Tip: While in R-Mode, you can collect challenge strings for both 19 and 5F and request both tokens at once.

== SFD Requirement Matrix for SRI Reset ==

{| role="presentation" class="wikitable" style="background:lightgray; text-align:center; width:99%;" border="0"
|-
! Service function !! Vehicles Without SFD !! SFD in 17-Instruments !! SFD in 5F-Infotainment !! SFD2 Gateway Filter
|-
! SRI (Service Reminder) Reset
| style="background:limegreen" | Just perform SRI reset || style="background:orange" | Unlock 17 first || style="background:orange" | Unlock 5F first || style="background:red" | Unlock 19, then unlock 5F
|-
! Is SFD Unlock Required?
| style="background:limegreen" | No || style="background:orange" | Yes || style="background:orange" | Yes || style="background:red" | Yes in 19 and 5F
|-
! Can You Save Adaptation Values?
| style="background:limegreen" | Yes || style="background:orange" | Yes, after unlocking 17 || style="background:orange" | Yes, after unlocking 5F || style="background:red" | Unlock 19 to disable filter, then unlock other modules
|}

1 17 – Instrument Cluster
2 5F – Infotainment / MMI
3 19 – CAN Gateway with SFD2 diagnostic filtering

== NIx Coding Index Table ==

Some vehicles contain a PR code indicating cybersecurity level:

{| class="wikitable"
|-
! NIx Index !! Cybersecurity Protection !! Software Update Protection !! SFD2 Gateway Present?
|-
| NI0 || No || No || No
|-
| NI1 || Yes || Yes || No
|-
| NI7 || Yes || No || No
|-
| NI8 || No || No || Yes
|-
| NI9 || Yes (non-UNECE markets) || Yes (non-UNECE markets) || No
|}

== Factory Tool vs VCDS Comparison ==

{| class="wikitable"
! Feature !! ODIS (Factory Tool) !! VCDS
|-
| Token Handling || Online and automatic || (still in development)
|-
| Backend Access || Yes || (still in development)
|-
| Lockout Behavior || Immediate logout or session close || Timeout (~90 minutes)
|-
| Token Source || VW Dealer Portal || (still in development)
|}

== Related Control Module Addresses ==

* '''17 – Instruments''': Cluster, odometer, service interval
* '''5F – Infotainment''': MMI, media interface
* '''19 – Gateway''': Network access, diagnostic filter

== Resources ==

* [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour]
* [https://www.ross-tech.com/vcds/tour/adaptations.php Adaptations Function Tour]
* [https://forums.ross-tech.com/ Ross-Tech Forums]

Note: If readiness or service reset functions fail, ensure the engine control unit software is up to date and that a full OBD drive cycle has been completed.

User:Peter

2025-07-30T18:35:43Z

Peter: /* Factory Tool vs VCDS Comparison */

= WARNING: RESTRICTED ACCESS =

Your attempt to access this page is considered UNAUTHORIZED!
'''ERROR 401: UNAUTHORIZED'''

Your IP address has been logged.

------------------------------------------------------------

= Volkswagen SFD, SFD2 & Service Reminder Reset (SRI) with VCDS =

== Overview ==

Volkswagen Group introduced SFD ('''Schutz der Fahrzeugdiagnose''' – Protection of Vehicle Diagnostics) in 2020 to enhance cybersecurity and control access to vehicle software. In 2024, a second layer called '''SFD2''' was introduced, requiring cryptographic validation for critical changes.

This page explains how VCDS interacts with SFD and SFD2 systems and provides step-by-step instructions for resetting the Service Reminder (SRI) on protected vehicles.

== What is SFD and SFD2? ==

'''SFD (v1)''' restricts coding, adaptations, and other “write” functions unless a one-time unlock token is used. VCDS supports this system using a manual token entry method.

'''SFD2 (v2)''' is used in 2024+ vehicles and protects specific data changes using encrypted, per-operation validation. SFD2 requires Volkswagen’s online infrastructure and is currently unsupported by VCDS.

SFD and SFD2 do '''not''' block:
* Reading fault codes (DTCs)
* Viewing live data (Measuring Blocks)
* Performing an Auto-Scan

== How VCDS Works with SFD ==

VCDS supports SFD by:
* Detecting SFD-protected modules
* Displaying the module's challenge string
* Allowing manual entry of the corresponding unlock token

VCDS does not generate or request unlock tokens itself. Tokens must be obtained separately and are valid for:
* One module only
* One session (approximately 90 minutes)

'''SFD2 is not supported by VCDS.'''

== Manual Unlock Process in VCDS ==

# Open VCDS and connect to the module
# Attempt a function (e.g., Adaptation or Security Access)
# Copy the displayed challenge string
# Submit the challenge to a trusted token provider
# Paste the returned release token into VCDS
# The module unlocks for ~90 minutes

== Resetting the Service Reminder (SRI) ==

=== Vehicles Without SFD (Pre-2020) ===

Older vehicles do not require SFD unlocks.
→ [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour Page]

=== Vehicles With SFD ===

Some newer vehicles (e.g., Golf 8, ID.4) have SFD in:
* '''17-Instruments'''
* '''5F-Infotainment'''

Steps:
# Retrieve the challenge string in VCDS
# Obtain and enter the unlock token
# Perform the SRI reset within the 90-minute window

=== Vehicles With SFD2 / Gateway Filtering ===

Newer platforms may also use a diagnostic filter in '''19-Gateway'''.

Steps:
# Retrieve and unlock 19 using a token
# In 19, go to Adaptation and set:
<code>DE16611 – Diagnosis filter: temporary deactivation → not active</code>
# This disables the diagnostic filter for ~20 km
# Unlock 5F (or other protected modules) using tokens
# Perform the SRI reset

Tip: While in R-Mode, you can collect challenge strings for both 19 and 5F and request both tokens at once.

== SFD Requirement Matrix for SRI Reset ==

{| role="presentation" class="wikitable" style="background:lightgray; text-align:center; width:99%;" border="0"
|-
! Service function !! Vehicles Without SFD !! SFD in 17-Instruments !! SFD in 5F-Infotainment !! SFD2 Gateway Filter
|-
! SRI (Service Reminder) Reset
| style="background:limegreen" | Just perform SRI reset || style="background:orange" | Unlock 17 first || style="background:orange" | Unlock 5F first || style="background:red" | Unlock 19, then unlock 5F
|-
! Is SFD Unlock Required?
| style="background:limegreen" | No || style="background:orange" | Yes || style="background:orange" | Yes || style="background:red" | Yes in 19 and 5F
|-
! Can You Save Adaptation Values?
| style="background:limegreen" | Yes || style="background:orange" | Yes, after unlocking 17 || style="background:orange" | Yes, after unlocking 5F || style="background:red" | Unlock 19 to disable filter, then unlock other modules
|}

1 17 – Instrument Cluster
2 5F – Infotainment / MMI
3 19 – CAN Gateway with SFD2 diagnostic filtering

== NIx Coding Index Table ==

Some vehicles contain a PR code indicating cybersecurity level:

{| class="wikitable"
|-
! NIx Index !! Cybersecurity Protection !! Software Update Protection !! SFD2 Gateway Present?
|-
| NI0 || No || No || No
|-
| NI1 || Yes || Yes || No
|-
| NI7 || Yes || No || No
|-
| NI8 || No || No || Yes
|-
| NI9 || Yes (non-UNECE markets) || Yes (non-UNECE markets) || No
|}

== Factory Tool vs VCDS Comparison ==

{| class="wikitable"
! Feature !! ODIS (Factory Tool) !! VCDS
|-
| Token Handling || Online and automatic || Manual (offline)1
|-
| Backend Access || Yes || No
|-
| Lockout Behavior || Immediate logout or session close || Timeout (~90 minutes)
|-
| Token Source || VW Dealer Portal || Third-party vendor
|}
1 Online functions coming soon

== Related Control Module Addresses ==

* '''17 – Instruments''': Cluster, odometer, service interval
* '''5F – Infotainment''': MMI, media interface
* '''19 – Gateway''': Network access, diagnostic filter

== Resources ==

* [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour]
* [https://www.ross-tech.com/vcds/tour/adaptations.php Adaptations Function Tour]
* [https://forums.ross-tech.com/ Ross-Tech Forums]

Note: If readiness or service reset functions fail, ensure the engine control unit software is up to date and that a full OBD drive cycle has been completed.

User:Peter

2025-07-30T18:28:20Z

Peter:

= WARNING: RESTRICTED ACCESS =

Your attempt to access this page is considered UNAUTHORIZED!
'''ERROR 401: UNAUTHORIZED'''

Your IP address has been logged.

------------------------------------------------------------

= Volkswagen SFD, SFD2 & Service Reminder Reset (SRI) with VCDS =

== Overview ==

Volkswagen Group introduced SFD ('''Schutz der Fahrzeugdiagnose''' – Protection of Vehicle Diagnostics) in 2020 to enhance cybersecurity and control access to vehicle software. In 2024, a second layer called '''SFD2''' was introduced, requiring cryptographic validation for critical changes.

This page explains how VCDS interacts with SFD and SFD2 systems and provides step-by-step instructions for resetting the Service Reminder (SRI) on protected vehicles.

== What is SFD and SFD2? ==

'''SFD (v1)''' restricts coding, adaptations, and other “write” functions unless a one-time unlock token is used. VCDS supports this system using a manual token entry method.

'''SFD2 (v2)''' is used in 2024+ vehicles and protects specific data changes using encrypted, per-operation validation. SFD2 requires Volkswagen’s online infrastructure and is currently unsupported by VCDS.

SFD and SFD2 do '''not''' block:
* Reading fault codes (DTCs)
* Viewing live data (Measuring Blocks)
* Performing an Auto-Scan

== How VCDS Works with SFD ==

VCDS supports SFD by:
* Detecting SFD-protected modules
* Displaying the module's challenge string
* Allowing manual entry of the corresponding unlock token

VCDS does not generate or request unlock tokens itself. Tokens must be obtained separately and are valid for:
* One module only
* One session (approximately 90 minutes)

'''SFD2 is not supported by VCDS.'''

== Manual Unlock Process in VCDS ==

# Open VCDS and connect to the module
# Attempt a function (e.g., Adaptation or Security Access)
# Copy the displayed challenge string
# Submit the challenge to a trusted token provider
# Paste the returned release token into VCDS
# The module unlocks for ~90 minutes

== Resetting the Service Reminder (SRI) ==

=== Vehicles Without SFD (Pre-2020) ===

Older vehicles do not require SFD unlocks.
→ [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour Page]

=== Vehicles With SFD ===

Some newer vehicles (e.g., Golf 8, ID.4) have SFD in:
* '''17-Instruments'''
* '''5F-Infotainment'''

Steps:
# Retrieve the challenge string in VCDS
# Obtain and enter the unlock token
# Perform the SRI reset within the 90-minute window

=== Vehicles With SFD2 / Gateway Filtering ===

Newer platforms may also use a diagnostic filter in '''19-Gateway'''.

Steps:
# Retrieve and unlock 19 using a token
# In 19, go to Adaptation and set:
<code>DE16611 – Diagnosis filter: temporary deactivation → not active</code>
# This disables the diagnostic filter for ~20 km
# Unlock 5F (or other protected modules) using tokens
# Perform the SRI reset

Tip: While in R-Mode, you can collect challenge strings for both 19 and 5F and request both tokens at once.

== SFD Requirement Matrix for SRI Reset ==

{| role="presentation" class="wikitable" style="background:lightgray; text-align:center; width:99%;" border="0"
|-
! Service function !! Vehicles Without SFD !! SFD in 17-Instruments !! SFD in 5F-Infotainment !! SFD2 Gateway Filter
|-
! SRI (Service Reminder) Reset
| style="background:limegreen" | Just perform SRI reset || style="background:orange" | Unlock 17 first || style="background:orange" | Unlock 5F first || style="background:red" | Unlock 19, then unlock 5F
|-
! Is SFD Unlock Required?
| style="background:limegreen" | No || style="background:orange" | Yes || style="background:orange" | Yes || style="background:red" | Yes in 19 and 5F
|-
! Can You Save Adaptation Values?
| style="background:limegreen" | Yes || style="background:orange" | Yes, after unlocking 17 || style="background:orange" | Yes, after unlocking 5F || style="background:red" | Unlock 19 to disable filter, then unlock other modules
|}

1 17 – Instrument Cluster
2 5F – Infotainment / MMI
3 19 – CAN Gateway with SFD2 diagnostic filtering

== NIx Coding Index Table ==

Some vehicles contain a PR code indicating cybersecurity level:

{| class="wikitable"
|-
! NIx Index !! Cybersecurity Protection !! Software Update Protection !! SFD2 Gateway Present?
|-
| NI0 || No || No || No
|-
| NI1 || Yes || Yes || No
|-
| NI7 || Yes || No || No
|-
| NI8 || No || No || Yes
|-
| NI9 || Yes (non-UNECE markets) || Yes (non-UNECE markets) || No
|}

== Factory Tool vs VCDS Comparison ==

{| class="wikitable"
! Feature !! ODIS (Factory Tool) !! VCDS
|-
| Token Handling || Online and automatic || Manual (offline)
|-
| Backend Access || Yes || No
|-
| Lockout Behavior || Immediate logout or session close || Timeout (~90 minutes)
|-
| Token Source || VW Dealer Portal || Third-party vendor
|}

== Related Control Module Addresses ==

* '''17 – Instruments''': Cluster, odometer, service interval
* '''5F – Infotainment''': MMI, media interface
* '''19 – Gateway''': Network access, diagnostic filter

== Resources ==

* [https://www.ross-tech.com/vcds/tour/sri-reset.php SRI Reset Tour]
* [https://www.ross-tech.com/vcds/tour/adaptations.php Adaptations Function Tour]
* [https://forums.ross-tech.com/ Ross-Tech Forums]

Note: If readiness or service reset functions fail, ensure the engine control unit software is up to date and that a full OBD drive cycle has been completed.

Readiness Test (UDS only)

2025-07-25T21:21:01Z

Peter: /* Readiness Test (UDS only) */

__FORCETOC__
= Readiness Test (UDS only) =
* This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based ''Gasoline'' Engine Control Modules (ECMs) using VCDS.
* Basic Setting performs the required Readiness Tests on modern VW/Audi vehicles equipped with UDS protocol engine controllers.
* Use of this procedure is typically for after repairs or component replacement affecting emissions-related systems, or after clearing DTCs.

''If you are experiencing difficulty completing the readiness procedure, please refer to the Special Notes section below.''

==== Special Tools ====
* VCDS (VAG-COM Diagnostic System)

==== Prerequisites ====
* Engine must be running
* All electrical consumers OFF (A/C, headlights, rear defrost, seat heaters, etc.)
* No active Diagnostic Trouble Codes (DTCs) – Clear all fault codes prior to starting the test
* Engine coolant temperature must be at least 80°C (176°F)
* Must be performed outside or in a well-ventilated area, and never park the vehicle over combustible materials.

==== Workshop Procedure with VCDS ====

* Connect to the vehicle using VCDS.

* Go to '''[01 - Engine]'''

* Check for and clear any fault codes.

* Click on the '''[Basic Settings]''' button.

* Select '''[Automatic test sequence]''' or '''[Automatic test procedure]''' from the available list.

* Click on the '''[Show Measuring Data]''' checkbox and include the following Measuring Values:

{| class="wikitable"
|-
! Measuring Value !! Description
|-
| IDE00450 || '''Operating Instructions''' – ''Follow all prompts provided here''
|-
| IDE00451 || '''Currently Running Routine''' – ''Indicates the test currently in progress''
|-
| IDE00030 || '''Status of Actuator Test''' – ''Displays overall status of test procedure''
|-
| IDE00727 || '''Test Steps Still to Be Performed''' – ''Should count down to 0 when complete''
|-
| IDE00021 || '''Engine Speed''' – ''Follow any required RPM prompts shown in Operating Instructions''
|-
| IDE00025 || '''Coolant Temperature''' – ''Should be at or above 80°C before beginning''
|}

* Click the '''[Go]''' button to begin the Basic Setting procedure.

* When prompted, '''press and hold both the brake and accelerator pedals simultaneously.''' Keep them pressed until the test finishes.

* When the test completes successfully, the '''IDE00450 [Operating Instructions]''' field will display:
''''System OK'''' or ''''Finished correctly''''

==== Special Notes ====

* The duration of the Automatic Test Sequence may vary depending on vehicle platform and engine type.
* If the sequence fails or does not complete, verify that all prerequisites are met, especially coolant temperature and fault-free status.
* This function is only available in UDS-based engine control modules. Non-UDS controllers use a different Readiness procedure, see Repair Manual.
* If the [Go] button is grayed out or unavailable, ensure that the engine is running and that the selected test is supported by the ECU.
* Using VCDS initiates a request to perform the readiness test; the ECU controls the process and may take longer to complete as the vehicle ages.
* Ensure the engine control module has the latest software version installed to avoid readiness issues.
* In some cases, it may be necessary to complete a full OBD drive cycle before attempting the readiness procedure again.

[[Category:Tech Tips]]

Readiness Test (UDS only)

2025-07-25T21:18:30Z

Peter: /* Special Notes */

__FORCETOC__
= Readiness Test (UDS only) =
* This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based ''Gasoline'' Engine Control Modules (ECMs) using VCDS.
* Basic Setting performs the required Readiness Tests on modern VW/Audi vehicles equipped with UDS protocol engine controllers.
* Use of this procedure is typically for after repairs or component replacement affecting emissions-related systems, or after clearing DTCs.

==== Special Tools ====
* VCDS (VAG-COM Diagnostic System)

==== Prerequisites ====
* Engine must be running
* All electrical consumers OFF (A/C, headlights, rear defrost, seat heaters, etc.)
* No active Diagnostic Trouble Codes (DTCs) – Clear all fault codes prior to starting the test
* Engine coolant temperature must be at least 80°C (176°F)
* Must be performed outside or in a well-ventilated area, and never park the vehicle over combustible materials.

==== Workshop Procedure with VCDS ====

* Connect to the vehicle using VCDS.

* Go to '''[01 - Engine]'''

* Check for and clear any fault codes.

* Click on the '''[Basic Settings]''' button.

* Select '''[Automatic test sequence]''' or '''[Automatic test procedure]''' from the available list.

* Click on the '''[Show Measuring Data]''' checkbox and include the following Measuring Values:

{| class="wikitable"
|-
! Measuring Value !! Description
|-
| IDE00450 || '''Operating Instructions''' – ''Follow all prompts provided here''
|-
| IDE00451 || '''Currently Running Routine''' – ''Indicates the test currently in progress''
|-
| IDE00030 || '''Status of Actuator Test''' – ''Displays overall status of test procedure''
|-
| IDE00727 || '''Test Steps Still to Be Performed''' – ''Should count down to 0 when complete''
|-
| IDE00021 || '''Engine Speed''' – ''Follow any required RPM prompts shown in Operating Instructions''
|-
| IDE00025 || '''Coolant Temperature''' – ''Should be at or above 80°C before beginning''
|}

* Click the '''[Go]''' button to begin the Basic Setting procedure.

* When prompted, '''press and hold both the brake and accelerator pedals simultaneously.''' Keep them pressed until the test finishes.

* When the test completes successfully, the '''IDE00450 [Operating Instructions]''' field will display:
''''System OK'''' or ''''Finished correctly''''

==== Special Notes ====

* The duration of the Automatic Test Sequence may vary depending on vehicle platform and engine type.
* If the sequence fails or does not complete, verify that all prerequisites are met, especially coolant temperature and fault-free status.
* This function is only available in UDS-based engine control modules. Non-UDS controllers use a different Readiness procedure, see Repair Manual.
* If the [Go] button is grayed out or unavailable, ensure that the engine is running and that the selected test is supported by the ECU.
* Using VCDS initiates a request to perform the readiness test; the ECU controls the process and may take longer to complete as the vehicle ages.
* Ensure the engine control module has the latest software version installed to avoid readiness issues.
* In some cases, it may be necessary to complete a full OBD drive cycle before attempting the readiness procedure again.

[[Category:Tech Tips]]

Misfire Diagnosis

2025-07-25T20:44:12Z

Peter: Created page with "__TOC__ == Misfire Diagnosis – Gasoline Engines == === Introduction === Modern Volkswagen and Audi gasoline engines use advanced onboard diagnostics (OBD) to monitor engi..."

__TOC__

== Misfire Diagnosis – Gasoline Engines ==

=== Introduction ===

Modern Volkswagen and Audi gasoline engines use advanced onboard diagnostics (OBD) to monitor engine performance, including the detection of misfires. Misfires are identified by measuring subtle crankshaft speed fluctuations across combustion cycles, a method known as “engine roughness” analysis.

The engine control module (ECM) evaluates the time between ignition events and compares torque delivery from each cylinder. If irregular combustion is detected, causing a deviation beyond an adaptive threshold, a misfire event is flagged. These thresholds are dynamic and account for factors like engine load, RPM, coolant temperature, etc.

Engine misfire(s) may trigger:
* Cylinder specific fault codes (e.g., '''P0301 - P03??''')
* Random/multiple cylinder misfire code ('''P0300''')
* Catalyst damaging misfire (MIL flashing)

It is essential to avoid unnecessary parts replacement. Root causes must be confirmed through thorough diagnosis, including:
* Freeze frame review
* Component swap testing (plugs, coils, injectors)
* Compression and running compression tests ([https://www.youtube.com/shorts/LdCGg3JDd1M example video])
* Cylinder leak-down testing
* [[Readiness Test (UDS only)|Use of the Official Factory Repair Information]]

Misfire faults may be intermittent or load dependent, and can be influenced by fuel quality, poor maintenance, or other environmental conditions. This guide is organized by failure category and includes tips for interpreting VCDS data and measuring blocks, helping you to efficiently isolate and hopefully correct the issue.

----

=== Common Symptoms of Misfire ===

* Rough idle
* Hesitation or stumble under load
* Engine shake or vibration, especially at idle
* Flashing or steady MIL (Check Engine Light)
* Fault codes such as '''P0300''' (random misfire) or '''P0301–P030X''' (cylinder-specific)
* Fuel smell from exhaust (rich misfire)
* Popping noise from intake or exhaust
* Elevated long term fuel trims (see Measuring Values or fault codes)
* Reduced fuel economy or power

----

=== 🔍 Quick Reference Table ===

This chart provides a quick reference to help match symptoms to likely causes.
It serves as a general guide, as misfire causes may overlap across categories in some cases.

{| class="wikitable" style="text-align:left;"
! Symptom !! Possible Category !! Common Checks
|-
| Rough idle only || Air/Fuel or Ignition || Intake leaks, PCV system, coils, plugs, N80 valve
|-
| Misfire at load || Ignition, Fuel, or Mechanical || Ignition coil stress, injector flow, rail pressure, cam timing
|-
| MIL with P030X || Any || Use misfire counter, freeze frame, and perform component swap test
|-
| Cold start misfire || Fuel or Mechanical || Injector leakdown, valve sealing, carbon buildup
|-
| Misfire at high RPM || Ignition or Mechanical || Coil output under load, spark blowout, valve float, timing phasing
|-
| Rich codes with misfire || Ignition || Plug fouling, weak spark, delayed combustion, ECM timing strategy
|-
| Lean codes with misfire || Air/Fuel || Intake leaks, MAF sensor, N80 stuck open, fuel delivery, PCV
|-
| Fluctuating idle speed || Air/Fuel or Mechanical || Vacuum leak, crankcase pressure issue, VVT malfunction
|-
| Consistent misfire on same cylinder || Mechanical || Bent valve, failed valve spring, worn cam lobe, head gasket
|}

----

=== 🔹 Air/Fuel Mixture – Lean or Rich Combustion Issues ===

Misfires in this category are caused by improper combustion due to incorrect air/fuel ratios.

'''Diagnostic Checklist:'''
* Intake air leaks (e.g., PCV system failure, cracked breather hoses, intake boot leaks)
* Manifold runner flap position errors (if equipped)
* MAF sensor readings (clean the sensor, verify signal values at idle and under load)
* MAP sensor condition (used for boost/load accuracy)
* Fuel pressure (check both low-side and high-pressure rail)
* High pressure fuel pump (HPFP) cam follower wear (especially on early FSI engines)
* Direct injectors (check via flow test or Measuring Value leakdown test)
* O2 sensor readings (monitor pre-cat and post-cat sensors, check response time)
* Fuel quality (ethanol content, water, old or contaminated fuel)
* Carbon buildup on intake valves (common in direct injection engines)
* Evaporative emissions leaks (e.g., N80 valve stuck open)

----

=== 🔹 Ignition/Electrical – Spark-Related Issues ===

Misfires in this category are typically due to insufficient or erratic spark delivery.

'''Diagnostic Checklist:'''
* Ignition coils (inspect for cracks, check coil output using oscilloscope or coil swap test)
* Spark plugs (inspect for gap, fouling, correct heat range, and electrode wear)
* Grounds (inspect engine ground straps and chassis grounds for corrosion or looseness)
* Wiring to ignition coils (check resistance, continuity, and signs of heat damage)
* ECM power and ground integrity (perform voltage drop test at ECM ground points)
* Battery condition (load test and voltage check)
* Charging system output (verify for proper voltage, look for overcharging or AC ripple)
* Ignition timing (check scan data to confirm if ECM is excessively retarding timing)

----

=== 🔹 Mechanical Failure – Compression & Timing Issues ===

Misfires due to mechanical faults usually stem from compromised compression or timing integrity.

'''Diagnostic Checklist:'''
* Compression test (compare across all cylinders; cold and hot if necessary)
* Running compression test (use to assess valve sealing and cam timing at idle)
* Cylinder leak-down test (helps identify valve sealing, piston ring, or head gasket issues)
* Timing chain stretch or phasing issues (verify cam/crank correlation using VCDS or physical timing tools)
* Variable valve timing function (verify camshaft adjustment range)
* Worn camshaft lobes or lifters (common on early roller follower valve trains)
* Valve spring condition (check for weak, broken, or damaged springs)
* Bent or burnt valves (often show poor in leakdown or in running compression tests)
* Crankcase pressure or vacuum test (can indicate excessive blow-by or sealing issues)
* Oil level and condition (sludge or low oil can affect timing tensioners and lifters)
* Camshaft bearing cap or tensioner bridge damage (known issue on some EA888 variants)

----

=== 🧭 Using Measuring Blocks to Detect Misfires ===

On vehicles using KWP-1281/KWP-2000 protocol (non-UDS), misfire counters are typically available in Measuring Block Groups:

* '''Group 014''' – Misfire Recognition (Cylinders 1–3)
* '''Group 015''' – Misfire Recognition (Cylinders 4–6)
* '''Group 016''' – Misfire Recognition (Cylinders 7–9, if applicable)
* '''Group 017''' – Misfire Recognition (Cylinders 10-12, if applicable)

''Note:'' Not all controllers support all groups. Refer to the vehicle specifics in VCDS.

On newer UDS-based controllers, misfire counters are accessed via:

* '''Advanced Measuring Values''' → Search: '''misfire'''
* Look for:
* "Misfire recognition – cylinder X"
* "Misfire count during last driving cycle"
* "Total misfire count"
* "Misfire counter threshold"

'''Diagnostic Tips:'''
* Observe live misfire counts during idle and while performing quick short throttle snaps
* Compare misfire counts to freeze frame data from stored DTCs (e.g., P0302)
* If misfires only occur at startup and taper off, consider injector leakdown or intake valve carbon
* If misfires are evenly spread, look for fueling or ignition system-wide faults (e.g., bad ground, ECM power issue)
* Reset Misfire Adaptions, clear Engine fault codes three times in a row, in 30 seconds of less
** Not supported by all engine controllers, see Audi TSB-2033223 https://static.nhtsa.gov/odi/tsbs/2014/MC-10124866-9999.pdf

----

''See also:''
* [[Fuel Trim Info|Fuel Trim Information]]

[[Category:Gasoline Engines]]
[[Category:Diagnostics]]
[[Category:Misfire Diagnosis]]

Common Procedures

2025-07-25T18:19:14Z

Peter:

This Section contains Procedures commonly used and not specific for a certain Model. Please not that there may still be specifics to each Model that need to be obeyed even though the Procedures themselves are generic.

== Engine & Transmission ==

* [[Checking Cruise Control using Measuring Values]]
* [[Automatic Transmission Basic Settings]]

==== Diesel ====
* [[Diesel Particle Filter Emergency Regeneration]]
* [[Fuel Pump Basic Settings for PD, PPD, and CR TDI Engines]]
* [http://www.ross-tech.com/vag-scope/TDIGraph.html TDI Timing Checker] VE Engines only, Not PD, PPD, or CR.
** General TDI VCDS Info is located [http://www.ross-tech.com/vag-com/cars/tdi.html here] and VE timing is also covered [http://www.ross-tech.com/vag-com/cars/tdi.html#timing on that page].

==== Gasoline ====
* [[Fuel Trim Info|Fuel Trim Information]]
* [[Throttle Body Alignment (TBA)]]
* [[Exhaust Gas Recirculation (EGR) Valve Adaptation]]
* [[Readiness Test (UDS only)]] New
* [[Misfire Diagnosis]] New

== Brakes & Chassis ==

* [[Working on the Electro-Mechanical Parking Brake (EPB)]]
* [http://www.ross-tech.com/vag-com/cars/levelcontrol.html Suspension Level Control Calibration] ''Ross-Tech site''
* Some ABS/ESP controllers will lose their Coding after problems such as steering angle sensor issues. Perform procedures on the applicable vehicle-specific pages in the Diagnostic Procedures section.

== Misc ==

* Coding Control Modules based on Production Codes
* Quiescent Current Analysis using the Battery Management on Audi A6 (4F), Audi A8 (4E) and Audi Q7 (4L)
* [[SRI Reset Procedure]]
* Index based [[Airbag Coding]]
* [[Battery Replacement]]
* Installing incorrect control modules, VCDS can't fix compatibility conflicts:
** https://forums.ross-tech.com/index.php?threads/1997/

Common Procedures

2025-07-25T18:18:51Z

Peter:

User:Peter

2025-07-25T16:33:53Z

Peter:

= WARNING: RESTRICTED ACCESS =

Your attempt to access this page is considered UNAUTHORIZED!
'''ERROR 401: UNAUTHORIZED'''

Your IP address has been logged.

------------------------------------------------------------
== Visual Summary: SFD Requirements for Service Tasks ==

{| role="presentation" class="wikitable" style="background:lightgray; text-align:center; width:99%;" border="0"
|-
! Service Task !! Vehicles Without SFD !! SFD in 17-Instruments1 !! SFD in 5F-Infotainment2 !! SFD2 Gateway Filter3
|-
! SRI (Service Reminder) Reset
| style="background:limegreen" | Just perform SRI reset || style="background:orange" | Unlock SFD in 17 first || style="background:orange" | Unlock SFD in 5F first || style="background:red" | Unlock Gateway (19), then unlock 5F
|-
! Is SFD Unlock Required?
| style="background:limegreen" | No || style="background:orange" | Yes || style="background:orange" | Yes || style="background:red" | Yes in 19 and 5F
|-
! Can You Save Adaptation Values?
| style="background:limegreen" | Yes || style="background:orange" | Yes, after unlocking 17 || style="background:orange" | Yes, after unlocking 5F || style="background:red" | Unlock 19 to disable filter, then unlock needed module(s)
|}

1 17 – Instruments: Cluster, warnings, service interval
2 5F – Infotainment / Information Control Unit
3 19 – CAN Gateway with SFD2 diagnostic filter

Readiness Test (UDS only)

2025-07-25T16:14:39Z

Peter: /* Prerequisites */

__FORCETOC__
= Readiness Test (UDS only) =
* This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based ''Gasoline'' Engine Control Modules (ECMs) using VCDS.
* Basic Setting performs the required Readiness Tests on modern VW/Audi vehicles equipped with UDS protocol engine controllers.
* Use of this procedure is typically for after repairs or component replacement affecting emissions-related systems, or after clearing DTCs.

==== Special Tools ====
* VCDS (VAG-COM Diagnostic System)

==== Prerequisites ====
* Engine must be running
* All electrical consumers OFF (A/C, headlights, rear defrost, seat heaters, etc.)
* No active Diagnostic Trouble Codes (DTCs) – Clear all fault codes prior to starting the test
* Engine coolant temperature must be at least 80°C (176°F)
* Must be performed outside or in a well-ventilated area, and never park the vehicle over combustible materials.

==== Workshop Procedure with VCDS ====

* Connect to the vehicle using VCDS.

* Go to '''[01 - Engine]'''

* Check for and clear any fault codes.

* Click on the '''[Basic Settings]''' button.

* Select '''[Automatic test sequence]''' or '''[Automatic test procedure]''' from the available list.

* Click on the '''[Show Measuring Data]''' checkbox and include the following Measuring Values:

{| class="wikitable"
|-
! Measuring Value !! Description
|-
| IDE00450 || '''Operating Instructions''' – ''Follow all prompts provided here''
|-
| IDE00451 || '''Currently Running Routine''' – ''Indicates the test currently in progress''
|-
| IDE00030 || '''Status of Actuator Test''' – ''Displays overall status of test procedure''
|-
| IDE00727 || '''Test Steps Still to Be Performed''' – ''Should count down to 0 when complete''
|-
| IDE00021 || '''Engine Speed''' – ''Follow any required RPM prompts shown in Operating Instructions''
|-
| IDE00025 || '''Coolant Temperature''' – ''Should be at or above 80°C before beginning''
|}

* Click the '''[Go]''' button to begin the Basic Setting procedure.

* When prompted, '''press and hold both the brake and accelerator pedals simultaneously.''' Keep them pressed until the test finishes.

* When the test completes successfully, the '''IDE00450 [Operating Instructions]''' field will display:
''''System OK'''' or ''''Finished correctly''''

==== Special Notes ====

# The duration of the Automatic Test Sequence may vary depending on vehicle platform and engine type.
# If the sequence fails or does not complete, verify that all prerequisites are met, especially coolant temperature and fault-free status.
# This function is only available in UDS-based engine control modules. Non-UDS controllers use a different Readiness procedure, see Repair Manual.
# If the [Go] button is grayed out or unavailable, ensure that the engine is running and that the selected test is supported by the ECU.

[[Category:Tech Tips]]

Common Procedures

2025-07-25T15:53:15Z

Peter: /* Gasoline */

This Section contains Procedures commonly used and not specific for a certain Model. Please not that there may still be specifics to each Model that need to be obeyed even though the Procedures themselves are generic.

== Engine & Transmission ==

* [[Checking Cruise Control using Measuring Values]]
* [[Automatic Transmission Basic Settings]]

==== Diesel ====
* [[Diesel Particle Filter Emergency Regeneration]]
* [[Fuel Pump Basic Settings for PD, PPD, and CR TDI Engines]]
* [http://www.ross-tech.com/vag-scope/TDIGraph.html TDI Timing Checker] VE Engines only, Not PD, PPD, or CR.
** General TDI VCDS Info is located [http://www.ross-tech.com/vag-com/cars/tdi.html here] and VE timing is also covered [http://www.ross-tech.com/vag-com/cars/tdi.html#timing on that page].

==== Gasoline ====
* [[Fuel Trim Info|Fuel Trim Information]]
* [[Throttle Body Alignment (TBA)]]
* [[Exhaust Gas Recirculation (EGR) Valve Adaptation]]
* [[Readiness Test (UDS only)]] New

== Brakes & Chassis ==

* [[Working on the Electro-Mechanical Parking Brake (EPB)]]
* [http://www.ross-tech.com/vag-com/cars/levelcontrol.html Suspension Level Control Calibration] ''Ross-Tech site''
* Some ABS/ESP controllers will lose their Coding after problems such as steering angle sensor issues. Perform procedures on the applicable vehicle-specific pages in the Diagnostic Procedures section.

== Misc ==

* Coding Control Modules based on Production Codes
* Quiescent Current Analysis using the Battery Management on Audi A6 (4F), Audi A8 (4E) and Audi Q7 (4L)
* [[SRI Reset Procedure]]
* Index based [[Airbag Coding]]
* [[Battery Replacement]]
* Installing incorrect control modules, VCDS can't fix compatibility conflicts:
** https://forums.ross-tech.com/index.php?threads/1997/

Readiness Test (UDS only)

2025-07-25T15:47:04Z

Peter: Created page with "__FORCETOC__ = Readiness Test (UDS only) = * This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based ''Gasoline'' Engine Control Modules (ECMs)..."

__FORCETOC__
= Readiness Test (UDS only) =
* This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based ''Gasoline'' Engine Control Modules (ECMs) using VCDS.
* Basic Setting performs the required Readiness Tests on modern VW/Audi vehicles equipped with UDS protocol engine controllers.
* Use of this procedure is typically for after repairs or component replacement affecting emissions-related systems, or after clearing DTCs.

==== Special Tools ====
* VCDS (VAG-COM Diagnostic System)

==== Prerequisites ====
* Engine must be running
* All electrical consumers OFF (A/C, headlights, rear defrost, seat heaters, etc.)
* No active Diagnostic Trouble Codes (DTCs) – Clear all fault codes prior to starting the test
* Engine coolant temperature must be at least 80°C (176°F)
* Must be performed outside or in a well vented area only!

==== Workshop Procedure with VCDS ====

* Connect to the vehicle using VCDS.

* Go to '''[01 - Engine]'''

* Check for and clear any fault codes.

* Click on the '''[Basic Settings]''' button.

* Select '''[Automatic test sequence]''' or '''[Automatic test procedure]''' from the available list.

* Click on the '''[Show Measuring Data]''' checkbox and include the following Measuring Values:

{| class="wikitable"
|-
! Measuring Value !! Description
|-
| IDE00450 || '''Operating Instructions''' – ''Follow all prompts provided here''
|-
| IDE00451 || '''Currently Running Routine''' – ''Indicates the test currently in progress''
|-
| IDE00030 || '''Status of Actuator Test''' – ''Displays overall status of test procedure''
|-
| IDE00727 || '''Test Steps Still to Be Performed''' – ''Should count down to 0 when complete''
|-
| IDE00021 || '''Engine Speed''' – ''Follow any required RPM prompts shown in Operating Instructions''
|-
| IDE00025 || '''Coolant Temperature''' – ''Should be at or above 80°C before beginning''
|}

* Click the '''[Go]''' button to begin the Basic Setting procedure.

* When prompted, '''press and hold both the brake and accelerator pedals simultaneously.''' Keep them pressed until the test finishes.

* When the test completes successfully, the '''IDE00450 [Operating Instructions]''' field will display:
''''System OK'''' or ''''Finished correctly''''

==== Special Notes ====

# The duration of the Automatic Test Sequence may vary depending on vehicle platform and engine type.
# If the sequence fails or does not complete, verify that all prerequisites are met, especially coolant temperature and fault-free status.
# This function is only available in UDS-based engine control modules. Non-UDS controllers use a different Readiness procedure, see Repair Manual.
# If the [Go] button is grayed out or unavailable, ensure that the engine is running and that the selected test is supported by the ECU.

[[Category:Tech Tips]]

Common Procedures

2025-07-25T15:44:51Z

Peter: /* Gasoline */

This Section contains Procedures commonly used and not specific for a certain Model. Please not that there may still be specifics to each Model that need to be obeyed even though the Procedures themselves are generic.

== Engine & Transmission ==

* [[Checking Cruise Control using Measuring Values]]
* [[Automatic Transmission Basic Settings]]

==== Diesel ====
* [[Diesel Particle Filter Emergency Regeneration]]
* [[Fuel Pump Basic Settings for PD, PPD, and CR TDI Engines]]
* [http://www.ross-tech.com/vag-scope/TDIGraph.html TDI Timing Checker] VE Engines only, Not PD, PPD, or CR.
** General TDI VCDS Info is located [http://www.ross-tech.com/vag-com/cars/tdi.html here] and VE timing is also covered [http://www.ross-tech.com/vag-com/cars/tdi.html#timing on that page].

==== Gasoline ====
* [[Fuel Trim Info|Fuel Trim Information]]
* [[Throttle Body Alignment (TBA)]]
* [[Exhaust Gas Recirculation (EGR) Valve Adaptation]]
* [[Readiness Test (UDS only)]]

== Brakes & Chassis ==

* [[Working on the Electro-Mechanical Parking Brake (EPB)]]
* [http://www.ross-tech.com/vag-com/cars/levelcontrol.html Suspension Level Control Calibration] ''Ross-Tech site''
* Some ABS/ESP controllers will lose their Coding after problems such as steering angle sensor issues. Perform procedures on the applicable vehicle-specific pages in the Diagnostic Procedures section.

== Misc ==

* Coding Control Modules based on Production Codes
* Quiescent Current Analysis using the Battery Management on Audi A6 (4F), Audi A8 (4E) and Audi Q7 (4L)
* [[SRI Reset Procedure]]
* Index based [[Airbag Coding]]
* [[Battery Replacement]]
* Installing incorrect control modules, VCDS can't fix compatibility conflicts:
** https://forums.ross-tech.com/index.php?threads/1997/

User:Peter

2025-07-25T15:27:30Z

Peter:

= WARNING: RESTRICTED ACCESS =

Your attempt to access this page is considered UNAUTHORIZED!
'''ERROR 401: UNAUTHORIZED'''

Your IP address has been logged.

------------------------------------------------------------

__FORCETOC__
= Readiness Test (UDS only) =
* This Tech Tip demonstrates how to perform the [Automatic test sequence] for UDS-based Engine Control Modules (ECMs) using VCDS.
* Basic Setting performs the required Readiness Tests on modern VW/Audi vehicles equipped with UDS protocol engine controllers.
* Use of this procedure is typically for after repairs or component replacement affecting emissions-related systems, or after clearing DTCs.

==== Special Tools ====
* VCDS (VAG-COM Diagnostic System)

==== Prerequisites ====
* Engine must be running
* All electrical consumers OFF (A/C, headlights, rear defrost, seat heaters, etc.)
* No active Diagnostic Trouble Codes (DTCs) – Clear all fault codes prior to starting the test
* Engine coolant temperature must be at least 80°C (176°F)
* Must be performed outside or in a well vented area only!

==== Workshop Procedure with VCDS ====

* Connect to the vehicle using VCDS.

* Go to '''[01 - Engine]'''

* Check for and clear any fault codes.

* Click on the '''[Basic Settings]''' button.

* Select '''[Automatic test sequence]''' or '''[Automatic test procedure]''' from the available list.

* Click on the '''[Show Measuring Data]''' checkbox and include the following Measuring Values:

{| class="wikitable"
|-
! Measuring Value !! Description
|-
| IDE00450 || '''Operating Instructions''' – ''Follow all prompts provided here''
|-
| IDE00451 || '''Currently Running Routine''' – ''Indicates the test currently in progress''
|-
| IDE00030 || '''Status of Actuator Test''' – ''Displays overall status of test procedure''
|-
| IDE00727 || '''Test Steps Still to Be Performed''' – ''Should count down to 0 when complete''
|-
| IDE00021 || '''Engine Speed''' – ''Follow any required RPM prompts shown in Operating Instructions''
|-
| IDE00025 || '''Coolant Temperature''' – ''Should be at or above 80°C before beginning''
|}

* Click the '''[Go]''' button to begin the Basic Setting procedure.

* When prompted, '''press and hold both the brake and accelerator pedals simultaneously.''' Keep them pressed until the test finishes.

* When the test completes successfully, the '''IDE00450 [Operating Instructions]''' field will display:
''''System OK'''' or ''''Finished correctly''''

==== Special Notes ====

# The duration of the Automatic Test Sequence may vary depending on vehicle platform and engine type.
# If the sequence fails or does not complete, verify that all prerequisites are met, especially coolant temperature and fault-free status.
# This function is only available in UDS-based engine control modules. Non-UDS controllers use a different Readiness procedure, see Repair Manual.
# If the [Go] button is grayed out or unavailable, ensure that the engine is running and that the selected test is supported by the ECU.

[[Category:Tech Tips]]

P1571/ 005489

2025-07-17T20:54:22Z

Peter: Created page with "== P1571/005489 - Left Engine Mount Solenoid Valve (N144) == ==== Possible Symptoms ==== * Reduced effectiveness of engine vibration dampening * Fault code entry without EP..."

== P1571/005489 - Left Engine Mount Solenoid Valve (N144) ==

==== Possible Symptoms ====

* Reduced effectiveness of engine vibration dampening
* Fault code entry without EPC or Check Engine lights due to no deterioration of Exhaust Emissions

==== Possible Causes ====

* Wiring and/or connections (short, open circuit?)
* Faulty Engine Mount

==== Possible Solutions ====

* Check wiring and connections
* Check Engine mount with [Output tests]
* Repair/Replace failed Engine mount(s)

==== Special Notes ====