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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
A4020062059474_12020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4020042047920_32020-06-04. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A6020422054270_62020-06-04. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This bulletin contains instructions for resolving a rattle noise near the central roof area.
A0020372059437_12020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues.
A8720052010146152020-05-07. Service bulletin. EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:WATER HEATER. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle.
A9120612057715_22020-05-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This informational bulletin states that dor DTC U101400 to not perform any repairs and that this does not affect the customer or their experience.
A9620512059201_22020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messaegs appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9020452059335_12020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area.
A9020442032113_32020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading.
20A6S6TECREP4202020-05-07. Service bulletin. ELECTRICAL SYSTEM. Audi connect Section: Moved to end of document. Post-Road Test Section: ADDED Steps: - Verify SOS button is green and Roadside assistance button LED will remain off - It may take up to 20 minutes for the emergency call system to activate (LED turns green) after flight/transport mode deactivation - The vehicle must not be delivered to the customer if the emergency call function has not been successfully activated (LED lights up in green)
A6920502059223_12020-05-07. Service bulletin. EQUIPMENT. This bulletin contains information regarding the replacement of PODs components.
20TechRefREV4202020-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The Pre-Delivery Inspection Technician Reference Document is designed to be a resource used in hand with the Pre-Delivery Inspection Checklist (PDI). The PDI Checklist has been simplified to make the process more efficient, and in doing so, this document has been created to be used as a reference for checklist items that may have additional information. On the PDI Checklist, you find that certain items have been notated with an asterisk symbol (*), this lets you know that additional information can be found in this Technician Reference Document.
A9120582056344_22020-05-07. Service bulletin. EQUIPMENT. This informational bulletin states to create a PSS if all entries in the MMI Menu 'Last Destinations' show California (CA) as state.
A9620502059202_12020-05-07. Service bulletin. LANE DEPARTURE: LANE KEEP: STEERING ASSIST; STEERING:ELECTRIC POWER ASSIST SYSTEM. This informational bulletin contains instructions on explaining the new driver assist systems and lane center guidance.
A9620492059201_12020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messaegs appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A6920492058455_22020-05-07. Service bulletin. SEAT BELTS. This bulletin contains repair instructions for twisted seat belts.
A6420722047061_22020-05-07. Service bulletin. STRUCTURE. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels.
A0120572058767_32020-05-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin contains instructions for DTCs P218100, P017B00, P308100, and P01E400.
SM 22-20202020-05-07. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A5120132009967_12020-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
A3920282059057_12020-04-02. Service bulletin. UNKNOWN OR OTHER. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing whrn fully turning the wheel.
A7220232059031_12020-04-02. Service bulletin. UNKNOWN OR OTHER. This informational bulletin directs you to create a PSS record for when opening the driver and/or front passenger door the seat sporadically moves to an implausible position.
A3420472058875_12020-04-02. Service bulletin. UNKNOWN OR OTHER. This bulletin contains instructions for oil leaking from the vehicle without a DTC.
A0120522058767_22020-04-02. Service bulletin. UNKNOWN OR OTHER. This bulletin contains instructions for DTCs P218100, P017B00, P308100, and P01E400.
SM 15-20202020-04-02. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part listed if it meets the criteria provided.

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