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Audi Rear intersection assistant: Malfunction! Please contact service.

Rear intersection assistant: Malfunction! Please contact service.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceYes. The alert itself instructs: “Please contact service.” Audi manufacturer communications document this concern for the listed vehicles.
Confidence90%

Quick answer

For supported 2020–2021 US Audi A7, A8, and e-tron vehicles, this alert is documented in Audi communications as a sporadic failure of intersection/lane-changing assist. Contact Audi service for diagnosis.

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 Rear intersection assistant: Malfunction! Please contact service. mean?

For supported 2020–2021 US Audi A7, A8, and e-tron vehicles, this alert is documented in Audi communications as a sporadic failure of intersection/lane-changing assist. Contact Audi service for diagnosis.

2. Technical explanation

Verified Audi manufacturer communications describe this instrument-cluster message as occurring with sporadic failure of the intersection/lane changing assist. The same event may also display Intersection assist, Lane change and exit warning, or Audi pre sense malfunction messages. The communications identify diagnostic investigation involving lane change assistance control modules J769/J770 (address words 003C/00CF) and front corner radar control modules J1088/J1089 (address words 00DB/00DC). The supplied evidence does not establish a specific failed part or repair for an individual vehicle.

3. What system is affected?

Intersection/lane-changing assist, with documented diagnostic involvement of lane change assistance and front corner radar control modules.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Instrument-cluster message: “Rear intersection assistant: Malfunction! Please contact service.”
  • The failure is described as sporadic in the verified manufacturer communications.
  • Other messages may appear: “Intersection assist Malfunction! Please contact service.”, “Lane change and exit warning: Malfunction! Please contact service.”, and “Audi pre sense: Malfunction! Please contact service.”

6. Possible causes

  • Verified evidence documents stored DTC investigation in one or both lane change assistance control modules J769/J770 and/or one or both front corner radar control modules J1088/J1089.
  • A specific root cause is 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 with Audi service.
  • Record any accompanying instrument-cluster messages and whether the condition is intermittent before the service visit.

10. Step-by-step troubleshooting

  1. Have service scan the applicable lane change assistance control modules J769/J770 at address words 003C and/or 00CF.
  2. Have service scan the applicable front corner radar control modules J1088/J1089 at address words 00DB and/or 00DC.
  3. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Yes. The alert itself instructs: “Please contact service.” Audi manufacturer communications document this concern for the listed vehicles.

12. What the service center may check

  • Check for DTCs in lane change assistance control module J769 and/or J770, address word 003C and/or 00CF.
  • Check for DTCs in front corner radar control module J1088 and/or J1089, address word 00DB and/or 00DC.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communication A9621682061155_2, published May 4, 2021; NHTSA communication 10193268. It documents sporadic intersection/lane-changing assist failure and this alert.
  • Audi manufacturer communication A9620592061155_1, published November 2, 2020; NHTSA communication 10182519. It documents the same message family and diagnostic module locations.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official sources: NHTSA manufacturer communications 10193268 and 10182519, containing Audi communications A9621682061155_2 and A9620592061155_1.

19. Frequently asked questions

What does this Audi message mean?

The verified Audi communications associate it with a sporadic failure of the intersection/lane changing assist.

Which vehicles are supported by the supplied evidence?

US-market 2020–2021 Audi A7, A8, and e-tron vehicles.

Is it safe to drive or charge?

Not yet established by verified evidence.

What will service check?

The communications identify DTC checks in lane change assistance modules J769/J770 and front corner radar modules J1088/J1089.

20. Sources & verification

Verified
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