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Service bulletin A6921752056421_6

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 id10205964
Published by NHTSA2022-01-06
Manufacturer's numberA6921752056421_6
Manufacturer's date2021-12-23
NHTSA componentAIR BAGS; AIR BAGS: AIR BAG/RESTRAINT 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

Air bags, Air bag control module

Trouble codes named

B101C

Vehicles listed
AUDI A32022, 2023
AUDI A62019, 2020, 2021, 2022, 2023
AUDI A6 ALLROAD2020, 2021
AUDI A72019, 2020, 2021, 2022, 2023
AUDI A7 E2021, 2022
AUDI A7 PHEV2023
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, 2023
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
21V0780002021-02-17. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE; AIR BAGS:FRONTAL

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
A6923992070322_42023-11-06. Service bulletin. This bulletin provides information for when air bag control module test plans are not completing; DTCs B130455, B130555, B159B00, and P000000.
A6923952070322_22023-10-05. Service bulletin. This bulletin provides information for when the airbag control module test plans are not completing; DTCs B130455, B130555, B159B00.
A6921682056421_42021-09-03. Service bulletin. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer.
A6921672062974_22021-09-03. Service bulletin. This informational bulletin states to delete the DTCs and not replace parts for when there is a malfunction message and DTC B130474 and B130574 are sporadically stored.
A6921642062974_12021-05-06. Service bulletin. This informational bulletin states to delete the DTCs and not replace parts for when there is a malfunction message and DTC B130474 and B130574 are sporadically stored.