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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.

By type

By component

By trouble code

Bulletins, newest first
TSB_2066315_42026-05-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the customer reports that the USB socket is missing, pushed in, or loose.
TSB_2058831_182026-05-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an electrical system warning; DTC U046900 stored in the ECM.
TSB_2022032_122026-05-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides diagnostic information for the vehicle locking system.
TSB_2081531_12026-04-07. Service bulletin. UNKNOWN OR OTHER. This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392.
TSB_2081409_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton regarding the Universal Traffic Recorder.
TSB_2081405_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn about various infortainment system complaints.
TSB_2081402_12026-04-07. Service bulletin. STRUCTURE:BODY. This TSB provides information when there is moisture in footwell, damp smell in passenger compartment.
TSB_2081342_12026-04-07. Service bulletin. ENGINE. This bulletin provides information when there is a Drive System Malfunction, DTCs related to Knock Sensor P0327, P0332, P0328, P0333 - V6 TFS.
TSB_2081200_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaito when Apple CarPlay/Android Auto does not react to touch inputs.
TSB_2074823_22026-04-07. Service bulletin. POWER TRAIN. This bulletin provides information when the hydraulic pump cannot be adapted - P17EF00 in gearbox control unit.
TSB_2070915_22026-04-07. Service bulletin. ENGINE. This bulleitn provides informaiton when there is a loose engine oil filler cap; P006800, P227900, P050700 - 2.0 ltr. TFSI.
TSB_2070349_62026-04-07. Service bulletin. POWER TRAIN. This bulleitn provides informiaotn when there is a loss of coolant; mechanical coolant pump 2.9L, 3.0L V6 TFSI.
TSB_2064983_142026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin procides information when there is a pixel error in the Audi virtual cockpit.
TSB_2059528_182026-04-07. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the Emergency call SOS light has a fault, LED red; DTC B200000.
TSB_2054202_72026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Audi adaptive light system malfunctions; DTC C12B3FA is stored in the control module.
TSB_2051095_112026-04-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about where to download the Audi frequency app.
TSB_2024323_132026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
TSB_2024323_122026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
TSB_2023187_82026-04-07. Service bulletin. SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
SM 13-20262026-04-07. Other. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
Dealer 53ZC 202603202026-04-07. Service bulletin. UNKNOWN OR OTHER. Engine Control Module Software Update (WARR EXT – U82). Problem description updated.
DC_Audi_CF_ Airbag2026-04-07. Other. AIR BAGS. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles.
Bulletin 53ZC 202603202026-04-07. Service bulletin. UNKNOWN OR OTHER. Engine Control Module Software Update (WARR EXT – U82). Problem description updated.
TSB_2080517_22026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2079214_32026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.

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