Audi C12B002
Replacing the control module for driver assistance systems (J1121) for the above mentioned DTCs is not effective. Scenario
Quick answer
Audi DTC C12B002 is listed in an official Audi/NHTSA manufacturer communication concerning the left overhead-view camera. The communication states that replacing the driver-assistance systems control module J1121 is not effective for this DTC scenario.
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1. What does C12B002 mean?
Audi DTC C12B002 is listed in an official Audi/NHTSA manufacturer communication concerning the left overhead-view camera. The communication states that replacing the driver-assistance systems control module J1121 is not effective for this DTC scenario.
2. Technical explanation
Verified evidence identifies C12B002 among DTCs associated with the left overhead-view camera. Audi’s communication specifically says that replacement of the control module for driver assistance systems (J1121) is not effective for the listed DTCs. The supplied evidence does not establish a component-level fault cause, diagnostic procedure, or repair that resolves C12B002.
3. What system is affected?
Left overhead-view camera; driver-assistance systems control module J1121 is referenced in the manufacturer communication.
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
- Do not assume that replacing driver-assistance systems control module J1121 will correct C12B002; the official manufacturer communication says this replacement is not effective for the listed DTC scenario.
- Have the vehicle evaluated using Audi-approved diagnostic information and procedures.
10. Step-by-step troubleshooting
- Confirm the stored DTC is C12B002.
- Review the official Audi manufacturer communication identified as NHTSA Manufacturer Communication PDF 10181431 (A9120172055188_3).
- No further troubleshooting steps are established by the supplied verified evidence.
11. When to contact service
Contact an authorized Audi service provider for diagnosis. The supplied official communication states that replacement of J1121 is not effective for this listed DTC scenario.
12. What the service center may check
- Verify C12B002 is present.
- Consider the left overhead-view camera context identified in the manufacturer communication.
- Avoid using J1121 replacement as the presumed correction solely for this DTC scenario; Audi states it is not effective.
- Further service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Replacing the driver-assistance systems control module J1121 is not effective for the listed DTC scenario.
- A confirmed repair resolution is not yet established by verified evidence.
14. Affected vehicles
- Audi A7 · 2019–2022 · US
- Audi A8 · 2019–2022 · US
- Audi e-tron · 2019–2022 · US
15. Related TSBs / service bulletins
- Audi manufacturer communication A9120172055188_3, published by NHTSA as Manufacturer Communication PDF 10181431 on 2020-10-15. It lists C12B002 with the left overhead-view camera and states that replacing J1121 is not effective for the listed DTCs.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 10181431, Audi document A9120172055188_3: https://static.nhtsa.gov/odi/tsbs/2020/MC-10181431-0001.pdf. Verified applicability: US-market 2019–2022 Audi A7, A8, and e-tron.
19. Frequently asked questions
What does Audi code C12B002 relate to?
The verified manufacturer communication lists C12B002 in the left overhead-view camera section.
Will replacing J1121 fix C12B002?
No. The official Audi communication states that replacing the driver-assistance systems control module J1121 is not effective for the listed DTC scenario.
Which vehicles are covered by the supplied evidence?
US-market 2019–2022 Audi A7, A8, and e-tron vehicles.
Is it safe to drive or charge with C12B002?
Not yet established by verified evidence.