Difference between revisions of "01221"

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=== 01221 - Crash Sensor Side Airbag; Driver Side (G179): Faulty ===
 
=== 01221 - Crash Sensor Side Airbag; Driver Side (G179): Faulty ===
 +
=== 01221 - Crash Sensor Side Airbag; Driver Side (G179): Open Circuit / Short to Plus ===
  
 
==== Possible Symptoms ====
 
==== Possible Symptoms ====
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* Wrong Crash Sensor Side Airbag; Driver Side (G179) installed
 
* Wrong Crash Sensor Side Airbag; Driver Side (G179) installed
 +
* Newly Installed Airbag Module is Not Compatible With Crash Sensor(s)
  
 
==== Possible Solutions ====
 
==== Possible Solutions ====
  
 
* Install correct Crash Sensor Side Airbag; Driver Side (G179)
 
* Install correct Crash Sensor Side Airbag; Driver Side (G179)
 +
* Install Airbag Module that is Compatible With Crash Sensor(s)
  
 
==== Special Notes ====
 
==== Special Notes ====
 +
 +
* The US Market [[VW Golf/Jetta/Bora (1J/9M) | (9M) Jetta]] has a common Airbag Control Module replacement conflict with the existing Crash Sensors. This is mentioned in TSB # 69-08-04 with the following example:
 +
** When control module 1C0-909-605-F-004 (coded to 12340) is replaced with 1C0-909-605-F-01E the original Crash Sensors are not compatible. The new module will refuse coding if DTCs 01221, 01222, 01738, or 1739 are stored. This is also noted here: [http://www.ross-tech.com/vag-com/cars/airbag-coding.html    Airbag Coding]
  
 
The Crash Sensors can be checked by using the control module identification and the measuring blocks.
 
The Crash Sensors can be checked by using the control module identification and the measuring blocks.
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     Coding: 0012341
 
     Coding: 0012341
  
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The 0506 in this example stands for the required Crash Sensor ID, the first 2 digits (05) apply for the front crash sensors, while the second 2 digits (06) apply for the rear crash sensors. The ID of the currently installed Crash Sensors can be determinded by checking Measuring Value Block (MVB) 009.
+
The 0506 in this example stands for the required Crash Sensor ID, the first 2 digits (05) apply for the front crash sensors, while the second 2 digits (06) apply for the rear crash sensors. The ID of the currently installed Crash Sensors can be determined by checking Measuring Value Block (MVB) 009.
 +
 
 +
 
 +
 
 +
=== 01221 - Crash Sensor Side Airbag; Driver Side (G179): Implausible Signal ===
 +
 
 +
==== Possible Symptoms ====
 +
 
 +
* Airbag Warning Light ON
 +
 
 +
==== Possible Causes ====
 +
 
 +
* Wrong/Incompatible Crash Sensor Side Airbag; Driver Side (G179) installed
 +
* Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179) faulty
 +
 
 +
==== Possible Solutions ====
 +
 
 +
* Check Crash Sensor Side Airbag; Driver Side (G179) Part Number
 +
** Install correct Crash Sensor Side Airbag; Driver Side (G179)
 +
* Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179)
 +
 
 +
==== Special Notes ====
 +
 
 +
* When found on 2019 - 2022 Atlas, Atlas Cross Sport, Golf, Golf Wagon, Jetta, Tiguan and Taos, please see TT 97-21-02 for possible wiring harness issue:
 +
** https://static.nhtsa.gov/odi/tsbs/2022/MC-10208280-0001.pdf  NHTSA
 +
*** May also find DTCs U0199, U0200, B1017 or B1036.
  
 
[[Category:Fault Codes]]
 
[[Category:Fault Codes]]

Latest revision as of 15:31, 12 May 2022

01221 - Crash Sensor Side Airbag; Driver Side (G179)

01221 - Crash Sensor Side Airbag; Driver Side (G179): Faulty

01221 - Crash Sensor Side Airbag; Driver Side (G179): Open Circuit / Short to Plus

Possible Symptoms

  • Airbag Warning Light ON

Possible Causes

  • Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179) faulty
  • Crash Sensor Side Airbag; Driver Side (G179) faulty
  • Airbag Control Module (J234) faulty

Possible Solutions

  • Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179)
  • Replace Crash Sensor Side Airbag; Driver Side (G179)
  • Replace Airbag Control Module (J234)


01221 - Crash Sensor Side Airbag; Driver Side (G179): No or Incorrect Basic Setting / Adaptation

Possible Symptoms

  • Airbag Warning Light ON

Possible Causes

  • Wrong Crash Sensor Side Airbag; Driver Side (G179) installed
  • Newly Installed Airbag Module is Not Compatible With Crash Sensor(s)

Possible Solutions

  • Install correct Crash Sensor Side Airbag; Driver Side (G179)
  • Install Airbag Module that is Compatible With Crash Sensor(s)

Special Notes

  • The US Market (9M) Jetta has a common Airbag Control Module replacement conflict with the existing Crash Sensors. This is mentioned in TSB # 69-08-04 with the following example:
    • When control module 1C0-909-605-F-004 (coded to 12340) is replaced with 1C0-909-605-F-01E the original Crash Sensors are not compatible. The new module will refuse coding if DTCs 01221, 01222, 01738, or 1739 are stored. This is also noted here: Airbag Coding

The Crash Sensors can be checked by using the control module identification and the measuring blocks. 

Address 15: Airbags
   Controller: 1T0 909 605 
   Component: 05 AIRBAG VW62 0506 2112
   Coding: 0012341

The 0506 in this example stands for the required Crash Sensor ID, the first 2 digits (05) apply for the front crash sensors, while the second 2 digits (06) apply for the rear crash sensors. The ID of the currently installed Crash Sensors can be determined by checking Measuring Value Block (MVB) 009.


01221 - Crash Sensor Side Airbag; Driver Side (G179): Implausible Signal

Possible Symptoms

  • Airbag Warning Light ON

Possible Causes

  • Wrong/Incompatible Crash Sensor Side Airbag; Driver Side (G179) installed
  • Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179) faulty

Possible Solutions

  • Check Crash Sensor Side Airbag; Driver Side (G179) Part Number
    • Install correct Crash Sensor Side Airbag; Driver Side (G179)
  • Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179)

Special Notes

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