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Audi Audi pre sense: fault. Please contact workshop.

Audi pre sense: fault. Please contact workshop.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an Audi workshop for diagnosis. The displayed alert explicitly says to contact a workshop.
Confidence90%

Quick answer

This Audi alert is verified in an official NHTSA-posted Audi manufacturer communication for certain 2020–2023 US Audi A7, A8, and e-tron vehicles. The communication associates the message with inoperative intersection/lane-change assistance functions and a possible radar-sensor calibration fault.

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 Audi pre sense: fault. Please contact workshop. mean?

This Audi alert is verified in an official NHTSA-posted Audi manufacturer communication for certain 2020–2023 US Audi A7, A8, and e-tron vehicles. The communication associates the message with inoperative intersection/lane-change assistance functions and a possible radar-sensor calibration fault.

2. Technical explanation

Verified evidence states that the instrument-cluster message “Audi pre sense: fault. Please contact workshop.” may be shown when intersection/lane-change assist functions are inoperative. The official communication identifies possible stored DTC C12BFF0, meaning radar sensor automatic calibration not possible, in lane-change assist control modules J769/J770 or radar sensor control modules J1088/J1089.

3. What system is affected?

Audi pre sense and the intersection/lane-change assist system, including lane-change assist control modules and radar sensor control modules for object detection.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Instrument-cluster message: “Audi pre sense: fault. Please contact workshop.”
  • Intersection/lane-change assist may be inoperative.
  • The same communication also lists possible messages for intersection assist, side assist and exit warning, and rear cross-traffic assist faults.

6. Possible causes

  • DTC C12BFF0 may be stored: radar sensor automatic calibration not possible.
  • The verified communication references lane-change assist control modules J769/J770 and radar sensor control modules J1088/J1089 as modules where this DTC may be stored.

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 workshop diagnosis as requested by the displayed message.
  • Do not rely on intersection/lane-change assist functions if they are inoperative.
  • Use normal driver observation and judgment; the supplied evidence does not establish further operating guidance.

10. Step-by-step troubleshooting

  1. A workshop can check whether DTC C12BFF0 is stored in J769/J770 (address word 003C/00CF) or J1088/J1089 (address word 00DB/00DC).
  2. Further diagnostic or repair steps are not established by the supplied verified evidence.

11. When to contact service

Contact an Audi workshop for diagnosis. The displayed alert explicitly says to contact a workshop.

12. What the service center may check

  • Check the lane-change assist control modules J769/J770, address words 003C/00CF, for DTC C12BFF0.
  • Check the radar sensor control modules for object detection J1088/J1089, address words 00DB/00DC, for DTC C12BFF0.
  • Assess the reported inoperative intersection/lane-change assist functions.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10197970: A9621702063336_1, published June 10, 2021. It documents this message in connection with inoperative intersection/lane-change assist functions and possible DTC C12BFF0 (radar sensor automatic calibration not possible).

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10197970, Audi communication A9621702063336_1: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10197970. Verified applicability: US-market 2020–2023 Audi A7, A8, and e-tron.

19. Frequently asked questions

What does “Audi pre sense: fault. Please contact workshop.” mean?

Verified evidence associates this message with an inoperative intersection/lane-change assist condition and a possible radar-sensor automatic-calibration fault.

Which fault code may be found?

The official communication states that DTC C12BFF0, “Radar sensor automatic calibration not possible,” may be stored.

Is it safe to drive?

Not yet established by verified evidence.

Does this apply to all Audi vehicles?

The supplied evidence verifies applicability only for US-market 2020–2023 Audi A7, A8, and e-tron vehicles.

20. Sources & verification

Verified
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