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Service bulletin A6921732056421_5

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 id10203595
Published by NHTSA2021-12-07
Manufacturer's numberA6921732056421_5
Manufacturer's date2021-11-17
NHTSA componentELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE

NHTSA's summary

This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer.

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

Driver assistance

Trouble codes named

B101C

Vehicles listed
AUDI A62019, 2020, 2021, 2022, 2023
AUDI A6 ALLROAD2020, 2021
AUDI A72019, 2020, 2021, 2022, 2023
AUDI A7 E2021, 2022
AUDI A82019, 2020
AUDI A82021 to 2023
AUDI A8 L E2020
AUDI A8 L E2021
AUDI A8 PHEV2022 to 2023
AUDI AUDI
AUDI E-TRON2020
AUDI E-TRON2021, 2022, 2023
AUDI E-TRON GT2022
AUDI Q72020, 2021, 2022, 2023
AUDI Q82019, 2020, 2021, 2022, 2023
AUDI RS 6 AVANT2021, 2022, 2023
AUDI RS 72021, 2022, 2023
AUDI RS E-TRON GT2022, 2023
AUDI RS Q82020, 2021, 2022, 2023
AUDI RS62020
AUDI RS72020
AUDI S62020, 2021, 2022, 2023
AUDI S72020, 2021, 2022, 2023
AUDI S82019
AUDI S82020, 2021, 2022, 2023
AUDI SQ72020, 2021, 2022, 2023
AUDI SQ82020, 2021, 2022, 2023

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

Recalls for the same vehicles and component
26V1250002026-03-04. LANE DEPARTURE:SOFTWARE
25V9000002025-12-19. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
23V2120002023-03-29. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA
22V8060002022-10-26. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
22V7420002022-10-05. BACK OVER PREVENTION:DISPLAY FUNCTION
21V8250002021-10-20. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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
SM 13-20262026-04-07. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
AWA 24-042024-06-25. Warranty extension. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
AWA 24-042024-06-25. Warranty extension. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
A4524402072977_22024-04-04. Service bulletin. This bulletin provides information when the ABS/ESC control unit cannot be reached, DTC U012100, ABS Control Module not communication.
A9024802059971_22024-04-04. Service bulletin. This bulletin provides information for when the camera for the front driver assist systems fails to calibrate.
Circ 87H9_REV12024-03-06. Service bulletin. On vehicles manufactured within a specific period, the pressure and temperature sensors in the air conditioning system may fail. If this happens, the air conditioning system will no longer function. Claiming instructions updated.
A9124742069112_42024-03-06. Service bulletin. This bulletin provides information on various improvements for MIB 3.
A9124612072873_12024-02-06. Service bulletin. This bulletin provides information for when the volume control is not working with MIB3.
A9123062024323102024-01-04. Service bulletin. This bulletin provides information when the parking assistance provides false warnings.
A9023662072566_12024-01-04. Service bulletin. This bulletin provides information when the driver assist systems have DTC B187A00 with symptom 98341 stored.