VW Passat (3C) Brake Electronics

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Contents

Coding

The latest versions of VCDS come with a Coding Helper (availability may vary) allowing the user to determine the Coding based on Vehicle Equipment using the PR-Codes . In case you are unable to determine the Coding, please contact us directly and we can try to assist registered customers with the Coding Process. Every inquiry on this topic has to include a full Auto-Scan as well as which parts have been replaced and why, also make sure the Auto-Scan includes the complete VIN of the vehicle in question. The Factory Tool will normally perform the Coding by querying Software Version Management (SVM) for the proper Value.

Basic Setting

Sensor for Steering Angle (G85)

Prerequisites:

  • Start the vehicle.
  • Drive in a short distance straight line on a level surface at a speed not higher than 20 km/h.
  • While driving turn the steering wheel one turn to the right and one turn to the left.
  • When having the steering wheel straight again stop the vehicle with the wheels pointed straight.
  • Ensure that the steering wheel is not moved again.
  • Keep the engine running and do not switch off the ignition.
  • System voltage at least 12.0 V.

[Select]
[03 - Brake Electronics]
[Security Access - 16]
Enter 40168, to enable the basic setting.
[Do it!]
[Basic Settings - 04]
Group 060
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
After a successful basic setting, field 2 should say "OK".
[Done, Go Back]
To make sure the basic setting was successful, check the sensor again.
[Measuring Blocks - 08]
Group 004
[Go!]
Check field 1, the value has to be between -1.5 and +1.5 °.
[Done, Go Back]
[Close Controller, Go Back - 06]

Note: After successful basic setting, the Steering Limit Stop needs to be adapted too.



Lateral Acceleration Sensor (G200)

Prerequisites:

  • System voltage at least 12.0 V.

[Select]
[03 - Brake Electronics]
[Measuring Blocks - 08]
Group 004
[Go!]
Check field 2, the value has to be between -1.5 and +1.5 m/s².
[Done, Go Back]
[Security Access - 16]
Enter 40168, to enable the basic setting.
[Do it!]
[Basic Settings - 04]
Group 063
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
After a successful basic setting, field 2 should say "OK".
[Done, Go Back]
To make sure the basic setting was succesful, check the sensor again.
[Measuring Blocks - 08]
Group 004
[Go!]
Check field 2, the value has to be between -1.5 and +1.5 m/s².
[Done, Go Back]
[Close Controller, Go Back - 06]



Brake Pressure Sensor 1 (G201)

Prerequisites:

  • System voltage at least 12.0 V.

[Select]
[03 - Brake Electronics]
[Measuring Blocks - 08]
Group 005
[Go!]
Check field 1, the value has to be between -8.0 and +8.0 bar.
[Done, Go Back]
[Security Access - 16]
Enter 40168, to enable the basic setting.
[Do it!]
[Basic Settings - 04]
Group 066
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
After a successful basic setting, field 2 should say "OK".
[Done, Go Back]
To make sure the basic setting was succesful, check the sensor again.
[Measuring Blocks - 08]
Group 005
[Go!]
Check field 1, the value has to be between -3.8 and +3.8 bar.
[Done, Go Back]
[Close Controller, Go Back - 06]



Yaw Rate Sensor (G202)

Prerequisites:

  • System voltage at least 12.0 V.

[Select]
[03 - Brake Electronics]
[Measuring Blocks - 08]
Group 004
[Go!]
Check field 3, the value has to be between -1.5 and +1.5 m/s².
[Done, Go Back]
[Security Access - 16]
Enter 40168, to enable the basic setting.
[Do it!]
[Basic Settings - 04]
Group 068
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
After a successful basic setting, field 2 should say "OK".
[Done, Go Back]
To make sure the basic setting was successful, check the sensor again.
[Measuring Blocks - 08]
Group 004
[Go!]
Check field 3, the value has to be between -1.5 and +1.5 m/s².
[Done, Go Back]
[Close Controller, Go Back - 06]



Longitudinal Acceleration Sensor (G251)

See Parking Brake for details.


Special Procedures

System Function Test

See System Function Test


Tire Pressure Monitoring System Reset

Prerequisites:

  • Ignition ON

[Select]
[03 - Brake Electronics]
[Basic Settings - 04]
Group 042
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
[Done, Go Back]
[Close Controller, Go Back - 06]

  • The Tire Pressure Monitoring Lamp (K220) should blink.
  • Now check the Tire Pressure and correct it if necessary.
  • Press and Hold the Tire Pressure Monitoring Button (E492) AND the ABS/ESP Button (E256) for 2 Seconds.
  • A short Tone should sound after pressing/holding these buttons for 2 Seconds and the blinking should change to a permanent lit Tire Pressure Monitoring Lamp (K220).
  • The Reset is now done and as soon as you let the buttons go the Tire Pressure Monitoring Lamp (K220) should go OFF.


Replacement

After Replacing this Control Module these Steps have to be performed in the following Order:

In case you are having trouble with procedure please contact us directly and we will assist you with the Coding Process. Every inquiry on this topic has to include a full Auto-Scan as well as which parts have been replaced and why, also make sure the Auto-Scan includes the complete VIN of the vehicle in question.




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