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Service bulletins for the 2021 Audi A6

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.

1342 on file from NHTSA, as of 2026-10-19.

Warranty extensions
AWA 24-042024-06-25. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. 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. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. 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.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

By trouble code

Bulletins, newest first
TSB_2083409_12026-10-05. Service bulletin. UNKNOWN OR OTHER. This bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded.
TSB_2083393_12026-10-05. Service bulletin. ENGINE. This bulletin provides information when the starter/generator drive belt is noisy or came off.
TSB_2083385_12026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is a warning message in the instrument cluster about external sound.
TSB_2081030_42026-10-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2079747_32026-10-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information regarding various complaints about front or rear door locks.
TSB_2079214_42026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.
TSB_2078648_42026-10-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information about billing for a broken sunroof glass panel.
TSB_2076396_32026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop (DTC C12D5FA).
TSB_2074846_52026-10-05. Service bulletin. STEERING. This bulletin provides information about vibrations and rotational steering vibrations.
TSB_2074059_42026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides general information about SOS Emergency Assist.
TSB_2073860_22026-10-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are stails/marks on the sill panel trim.
TSB_2068999_52026-10-05. Service bulletin. STRUCTURE:BODY. This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
TSB_2068573_62026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
TSB_2065871_42026-10-05. Service bulletin. STEERING. This bulletin provides informaiton when DTC B200FF0 is stored.
TSB_2063336_52026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change assist are inoperable.
TSB_2058077_112026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement.
TSB_2054202_82026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for driver assistance systems.
TSB_2052680_22026-10-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for reporting safety related information to the manufacturer.
TSB_2051095_122026-10-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides infomraiton abou the Audi frequency analysis application, which is available in the App Store for Android and Apple phones.
TSB_2030471_92026-10-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the license plate mounting bracket threded inserts are stripped.
TSB_2020552_152026-10-05. Service bulletin. VISIBILITY/WIPER. This bulletin provides service information regarding exterior glass cleaning.
TSB_2082976_22026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_12026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2081030_32026-09-04. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2079732_22026-09-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there is a paint issue on alloy wheels.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.