TSB: AUDI A6, A6 ALLROAD, A7, A7 E, A8, AUDI, Q5, Q5 PHEV, Q7, Q8, RS 6 AVANT, RS 7, RS Q8, RS6, RS7, S6, S7, SQ5, SQ7, SQ8 (2019–2021)

Bulletin A4821122064018_3 — November 4, 2021

Bulletin Details

Bulletin IDA4821122064018_3
ManufacturerAUDI
ModelsA6, A6 ALLROAD, A7, A7 E, A8, AUDI, Q5, Q5 PHEV, Q7, Q8, RS 6 AVANT, RS 7, RS Q8, RS6, RS7, S6, S7, SQ5, SQ7, SQ8
Model Years2019–2021
Date IssuedNovember 4, 2021
Date Added to NHTSADecember 6, 2021
ComponentEXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
Vehicles Affected41 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.

Affected Vehicles

MakeModelYearComponent
AUDI A6 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A6 ALLROAD 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A7 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A7 E 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A8 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q5 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q5 PHEV 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q7 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q8 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS 6 AVANT 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS 7 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS Q8 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI S6 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI S7 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ5 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ7 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ8 2021 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A6 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A6 ALLROAD 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A7 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A8 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q5 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q5 PHEV 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q7 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q8 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS Q8 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS6 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI RS7 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI S6 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI S7 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ5 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ7 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ8 2020 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A6 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A7 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI A8 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q5 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q7 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI Q8 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI SQ5 2019 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT
AUDI AUDI 127100 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT

Related AUDI Recalls

CampaignModelYearComponentSummary
Q8 2019 LANE DEPARTURE:SOFTWARE Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Audi Q8, A...
A7 2019 LANE DEPARTURE:SOFTWARE Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Audi Q8, A...
A6 2019 LANE DEPARTURE:SOFTWARE Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Audi Q8, A...
A6 2019 LANE DEPARTURE:SOFTWARE Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Audi Q8, A...
A7 2019 LANE DEPARTURE:SOFTWARE Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Audi Q8, A...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized AUDI dealer. Bring this bulletin ID (A4821122064018_3) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.