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Service bulletin A6921702064545_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 id10201506
Published by NHTSA2021-10-05
Manufacturer's numberA6921702064545_1
Manufacturer's date2021-09-14
NHTSA componentAIR BAGS

NHTSA's summary

This bulletin contains instructions for when DTC B101C29 and/or B101D29 is stored in the airbag control module.

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

Trouble codes named

B101C, B101D

Vehicles listed
AUDI A42019, 2020, 2021, 2022
AUDI A52019, 2020, 2021, 2022
AUDI A5 CABRIOLET2019 to 2021
AUDI A62019, 2020, 2021, 2022
AUDI A6 ALLROAD2020, 2021
AUDI A72019, 2020, 2021, 2022
AUDI A7 E2021, 2022
AUDI ALLROAD2019 to 2022
AUDI Q72019, 2020, 2021, 2022
AUDI Q82019, 2020, 2021, 2022
AUDI RS 52019
AUDI RS 52021, 2022
AUDI RS 72021, 2022
AUDI RS Q82020, 2021, 2022
AUDI RS72020
AUDI S42019, 2020, 2021, 2022
AUDI S52019, 2020, 2021, 2022
AUDI S5 CABRIOLET2019 to 2021
AUDI S62020, 2021, 2022
AUDI S72020, 2021, 2022
AUDI SQ72020, 2021, 2022
AUDI SQ82020, 2021, 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
20216882021-11-10. Airbag
21V8740002021-11-10. AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER; SEATS
20211322021-03-10. Airbag
21V1590002021-03-10. AIR BAGS
20210672021-02-17. Airbag
21V0780002021-02-17. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE; AIR BAGS:FRONTAL
20V7490002020-12-02. AIR BAGS:SENSOR:SIDE IMPACT; ELECTRICAL SYSTEM
20202082020-05-13. Airbag
20V2740002020-05-13. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
20V0930002020-02-19. AIR BAGS:SIDE/WINDOW

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
DC_Audi_CF_ Airbag2026-04-07. Other. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles.
A6924112056406_52024-07-02. Service bulletin. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A6924112056406_52024-07-02. Service bulletin. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A6924082073566_12024-05-06. Service bulletin. This repair authorization requests that technicians contact the Technical Assistance Center in instances where the Airbag warning lamp is on, DTC B101704, B103604.
A6924062072911_12024-03-06. Service bulletin. This bulletin provides information for when the airbag light is illuminated, DTCs B103613, B101713, B101813, B101904.
A9124602067021_52024-02-06. Service bulletin. This bulletin provides information for when there is a malfunction with the garage door opener, Sirius XM, Online radio, or other malfunctions; DTC B129B11, B129C22, B123C13, U044700, or B200000.
A6923912056406_42023-07-10. Service bulletin. This bulletin provides information for when the airbag warning light is on and DTC B13BCF2 is stored in the airbag control module.
A6923902051242_72023-07-10. Service bulletin. This bulletin provides instructions for when the airbag light is illuminated in the DIS, and may also be illuminated in the overhead console, and it is accompanied by DTC B122551.
A6922812056406_32022-03-04. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.
A6921752056421_62022-01-06. Service bulletin. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer.