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Service bulletins for the 2020 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.

1382 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
SM 49-20202020-09-03. Service bulletin. EQUIPMENT; STEERING. This special notice is to inform dealers to return the part numbers listed if they meet the criteria.
A9120982060474_12020-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. This bulletin advises the technician to create a PSS record for when after a software update, with active privacy settings, e.g. "Use of vehicle position", the pop-up window is shown with every ignition cycle. Message persists even if "Do not show again" is selected.
A9120972060464_12020-09-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This bulletin contains repair instructions for when there is sporadic or permanent no sound on any source (radio, media, navigation, and phone).
A3920352051558_42020-09-03. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.
A0120802060348_12020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains an explanation for DTC P230E00.
A9120922053916_22020-09-03. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.
A9120932058769_22020-09-03. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
A9020642060332_12020-09-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS record when DTC C12D5FA is stored and the driver assist systems aer inoperable and a warning message is displayed.
A7220282060085_22020-09-03. Service bulletin. SEATS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that addresses the sporadic issue where the front seats move into an implausible position.
A6920562059223_22020-09-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains information regarding the replacement of PODs components.
A0120762054893_32020-09-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request.
2010-2021EngOil2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
Audi Part Labels2020-09-03. Service bulletin. EQUIPMENT. Recall Reminder Part Labels
A6620662060333_12020-09-03. Service bulletin. STRUCTURE. This bulletin contains instructions for when the black optic trim is discolored.
A5520482060265_12020-09-03. Service bulletin. STRUCTURE. This bulletin contains repair instructions for when water is getting into the rear hinges and the shell.
A5020002060335_12020-09-03. Service bulletin. STRUCTURE. This bulletin contains instructions for repairing water ingress into the footwell.
A3420482060242_12020-09-03. Service bulletin. POWER TRAIN. This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues.
A0120752058309_22020-09-03. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for when DTC P001100 is stored in the ECM with potential misfiring.
A9320312060233_12020-08-10. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the HV battery charging does not work when the timer is used. Create a PSS record if the conditions are met.
A5720712060196_22020-08-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; EQUIPMENT; STRUCTURE:BODY:DOOR. This bulletin contains instructions for when the exterior door handles are binding.
A4020132059474_22020-08-06. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A9020592058750_22020-08-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that address a permanent chime after a cancelled emergency assist event.
A9020582055906_22020-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains PSS instructions for when the Audi Adaptive light, pre sense malfunction, and the Adaptive Cruise Assist does not work.
A3920342060169_12020-08-06. Service bulletin. EQUIPMENT; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. This bulletin contains instructions for when DTC U101300 is logged with sports differential warning lamps or messages.
A9020562059971_12020-08-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:HUD:SOFTWARE; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. This bulletin contains instructions for fixing a calibration issue with the front camera.

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