Audi C12B102
Replacing the control module for driver assistance systems (J1121) for the above mentioned DTCs is not effective. Scenario 1: When there is one DTC logged for one of the over
Quick answer
For Audi C12B102, verified evidence says replacing the driver-assistance control module J1121 is not effective for the listed DTC condition. The supplied bulletin evidence identifies C12B102 in connection with the right overhead-view camera.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does C12B102 mean?
For Audi C12B102, verified evidence says replacing the driver-assistance control module J1121 is not effective for the listed DTC condition. The supplied bulletin evidence identifies C12B102 in connection with the right overhead-view camera.
2. Technical explanation
C12B102 is documented in an official NHTSA-hosted Audi manufacturer communication, published October 15, 2020. In the supplied evidence, it appears in the row for the right overhead-view camera, alongside B127F04 and B127F4B. The bulletin states that replacing the control module for driver assistance systems (J1121) for the mentioned DTCs is not effective. The supplied excerpt is incomplete, so the underlying fault definition, diagnostic procedure, and final repair are not yet established by verified evidence.
3. What system is affected?
Driver-assistance/overhead-view camera system. The supplied evidence specifically associates C12B102 with the right overhead-view camera.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by an Audi-qualified service provider if C12B102 is stored.
- Do not assume that replacing J1121 will resolve this DTC; the verified bulletin specifically states that replacement is not effective for the mentioned DTCs.
10. Step-by-step troubleshooting
- Have the stored DTC and the vehicle’s camera/driver-assistance system evaluated using the applicable Audi diagnostic information.
- Do not replace the driver-assistance control module J1121 solely because C12B102 is present; verified bulletin evidence says this is not effective for the mentioned DTCs.
- Further troubleshooting steps are not yet established by verified evidence.
11. When to contact service
Contact an Audi dealer or qualified Audi service provider for diagnosis. Provide DTC C12B102 and reference the NHTSA-hosted Audi manufacturer communication MC-10181431-0001.
12. What the service center may check
- Confirm the stored DTC is C12B102.
- Evaluate the right overhead-view camera and associated driver-assistance system using applicable Audi diagnostic procedures.
- Avoid treating replacement of J1121 as the repair for this DTC, because the verified bulletin says that replacement is not effective.
13. Possible repair or resolution
- Replacement of the driver-assistance control module J1121 is documented as not effective for the mentioned DTCs.
- The verified evidence does not establish the correct repair resolution for C12B102.
14. Affected vehicles
- Audi A7 · 2019–2022 · US
- Audi A8 · 2019–2022 · US
- Audi e-tron · 2019–2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10181431: A9120172055188_3, published October 15, 2020. The supplied evidence lists C12B102 under the right overhead-view camera and states that replacing J1121 is not effective for the mentioned DTCs. Source: https://static.nhtsa.gov/odi/tsbs/2020/MC-10181431-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA-hosted Audi manufacturer communication MC-10181431-0001, published October 15, 2020: https://static.nhtsa.gov/odi/tsbs/2020/MC-10181431-0001.pdf. Verified applicability in the supplied database: US-market 2019–2022 Audi A7, A8, and e-tron.
19. Frequently asked questions
What does Audi code C12B102 relate to?
The supplied verified bulletin evidence associates C12B102 with the right overhead-view camera in the driver-assistance/overhead-view camera system.
Will replacing the J1121 driver-assistance control module fix C12B102?
Verified bulletin evidence states that replacing J1121 for the mentioned DTCs is not effective.
Which vehicles are covered by the supplied applicability data?
The supplied database lists US-market 2019–2022 Audi A7, A8, and e-tron vehicles.
Is it safe to drive or charge with C12B102?
Not yet established by verified evidence.