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Service bulletin A691733 2047208-

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 id10127754
Published by NHTSA2018-02-05
Manufacturer's numberA691733 2047208-
Manufacturer's date2017-06-01
NHTSA componentAIR BAGS

NHTSA's summary

This bulletin contains software update for the airbag control module. There is no functional issue with the airbag when the light is illuminated.

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

Vehicles listed
AUDI A4 ALLROAD2016, 2017, 2018
AUDI A52017, 2018
AUDI Q72017

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
20193612019-07-24. Airbag
19V5470002019-07-24. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
18V8360002018-11-27. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
17V8220002017-12-20. AIR BAGS:SIDE/WINDOW
20166622016-12-30. Airbag
16V9550002016-12-29. SEAT BELTS:PRETENSIONER; AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; AIR BAGS:SIDE/WINDOW; AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
16V5190002016-07-08. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE
20163482016-07-06. Airbag

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.
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.
DC_Rings_VOL102023-03-06. Service bulletin. Takata recall and 3G turndown
A6922812056406_32022-03-04. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.
A6921692056406_22021-10-05. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.
A6920522059428_12020-06-04. Service bulletin. This bulletin contains instructions for DTCs B130494 and B130594.
A6919432056406_12019-11-07. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored. 2015-2020 A3 Cabriolet, 2016-2018 A3 Sportback, 2018-2020 A5 Sportback, 2018-2020 RS5 Cabriolet, 2018-2020 S5 Sportback