Audi Adaptive Light, Pre Sense, or Vehicle Assistance Does Not Work, DTC C12B3F2 Stored in the Driver Assist Systems – 2019-2020 Audi

NHTSA ID Number: 10164507

Manufacturer Communication Number: A9019282056016_1


This bulletin contains repair instructions for DTC C12B3F2.


10 Affected Products


AUDI A6 2019-2020
AUDI A7 2019-2020
AUDI A8 2019-2020
AUDI E-TRON 2019-2020
AUDI Q8 2019-2020


Customer states:

  • Audi adaptive light.


  • Audi pre sense system error.


  • Adaptive vehicle assistance does not work.


Workshop findings:

The following DTC may be stored in the control module for driver assist systems, J1121, (address word 00A5):

  • DTC C12B3F2 (front camera for driver assist systems, wrong vehicle identification number, static) with the symptom code 221204.


Technical Background

The software needs to be recalibrated.


Production Solution

Not applicable.



Calibrate the front camera for driver assist systems (R242) according to the repair manual.


August 30, 2019

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Last update on 2020-07-12 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2020-07-12 / Affiliate links / Images from Amazon Product Advertising API

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