WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Audi A6 allroad

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.

1070 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
A1924652070349_42024-09-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a loss of coolant from the coolant pump; V6 TFSI.
A4824682028220_112024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is visual damage on the steering wheel.
A3924652059057_102024-08-06. Service bulletin. POWER TRAIN. This bulletin provides informatino when there are vibrations or binding in tight turns with quattro Ultra.
A3924642074618_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are vibration or binding in tight turns with quattro Ultra.
A3924632059057_92024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are vibrations or binding in tight turns.
A3724142074751_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A3724132074750_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A3724102074733_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are event memory entries in diagnostic address 0081 (P17E600; P091900; P18CB00) and diagnostic address 0002 (P085D00).
A3424692067653_82024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is function restriction with event memory P071800 - P276800.
A2424622074811_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides infomration when the Engine: coasting function not available - 4-cyl. 2.0 ltr. TFSI mild hybrid.
A2424612074810_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
A3424682067653_72024-07-02. Service bulletin. POWER TRAIN. This bulletin provides information when there is function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
A3424682067653_72024-07-02. Service bulletin. POWER TRAIN. This bulletin provides information when there is function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
A3924602059057_82024-05-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is binding or vibrations in tight turns in vehicles equipped with quattro Ultra.
A3924582059057_72024-03-06. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). This bulletin provides information when quattro Ultra has vibrations or binding in tight turns.
A3424672067653_62024-02-06. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides information when there is function restriction with event memory P071800 - P276800 (symptom 20736-20737).
A1524462072713_12024-02-06. Service bulletin. POWER TRAIN. This bulletin provides service information on noises from the drivetrain duel-mass flywheel.
A1323222072511_12024-01-04. Service bulletin. POWER TRAIN; FUEL SYSTEM, OTHER:KINETIC:FLYWHEEL,BEARINGS. This bulletin provides service information when there are noises from the drivetrain, dual mass flywheel.
A3523472064312_52024-01-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); UNKNOWN OR OTHER. This bulletin provides information when the Gearbox warning is on, DTC P17F900 is stored in the TCM.
A3923552059129_42023-10-05. Service bulletin. POWER TRAIN. This bulletin provides information for when there are noises and/or vibrations in tight turns.
A3523452064312_42023-10-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides information for when a Gearbox warning is on and DTC P17F900 is stored in the TCM.
A3422592067653_12022-08-03. Service bulletin. POWER TRAIN. This bulletin provides instructions to address DTCs P071800, P276800, P071800, and P276800.
A4822292066318_32022-05-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; STEERING. This bulletin describes a software update to address DTCs B200FF0 or C12A329 stored in the axle wheel steering control module.
A3422562060242_32022-05-05. Service bulletin. POWER TRAIN. This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues.
A3422552061714_22022-05-05. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for resolving a leak on the transmission case.

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