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Service bulletin A9121622061934_1

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10186565
Published by NHTSA2021-02-04
Manufacturer's numberA9121622061934_1
Manufacturer's date2021-01-19
NHTSA componentEQUIPMENT

NHTSA's summary

This bulletin states to ignore DTCs U156C00, B1A06F1, B1A06F2 and to not perform any repairs or run any test plans for these ghost DTCs.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Trouble codes named

B1A06, U156C

Vehicles listed
AUDI A42020, 2021, 2022
AUDI A52020, 2021, 2022
AUDI A5 CABRIOLET2020 to 2021
AUDI A62021, 2022
AUDI A72021, 2022
AUDI E-TRON2021, 2022
AUDI Q52021
AUDI Q5 SPORTBACK2022
AUDI Q72021, 2022
AUDI Q82021, 2022
AUDI RS 52020
AUDI RS 52021, 2022
AUDI RS 6 AVANT2022
AUDI RS 72021, 2022
AUDI RS Q82021, 2022
AUDI S42020, 2021, 2022
AUDI S52020, 2021, 2022
AUDI S5 CABRIOLET2020 to 2021
AUDI S62021, 2022
AUDI S72021, 2022
AUDI SQ52021, 2022
AUDI SQ72021, 2022
AUDI SQ82021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20236592023-12-13. Accessories
22V8060002022-10-26. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
22V1020002022-02-23. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A9124992073629_12024-05-07. Service bulletin. This bulletin provides information when the Apple CarPlay connection is dropped repeatedly in short intervals.
A9124022062466_52024-05-06. Service bulletin. This bulletin provides information when Apple CarPlay cannot be started using the Wi-Fi connection (Wireless Carplay).
Audi-Q72024-04-22. Service bulletin. Audi Delivery Guidelines.
Audi-A7-S72024-04-22. Service bulletin. Audi Delivery Guidelines.
A7-S7-A2024-04-22. Service bulletin. Audi Delivery Guidelines.
A7-S72024-04-22. Service bulletin. Audi Delivery Guidelines.
A6-S6-A2024-04-22. Service bulletin. Audi Delivery Guidelines.
A6-S62024-04-22. Service bulletin. Audi Delivery Guidelines.
SM 22-20242024-04-05. Service bulletin. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 21-20242024-04-05. Service bulletin. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.