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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
A1124002073917_12024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is a fluid sample request from Product Support.
A0124232073867_12024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
A0124212069038_52024-06-25. Service bulletin. ENGINE. This bulletin provides information when the MIL is illuminated, cylinder misfires; P0300, P0301, P0302, P0303, P0304, P0305, P0306
A0024852021205_82024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on the ordering procedures for VIN Plates, and Safety Certification labels.
A9424792063739_22024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when the headlights do not turn off during daylight hours.
A9424802055123_52024-05-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the rear lighting warning is displayed in the instrument cluster; various DTCs are stored in the comfort system control module.
Circular 27BQ2024-05-07. Service bulletin. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards.
Dealer 27BQ2024-05-07. Service bulletin. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards.
A2724722058831142024-05-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is a vehicle electrical system warning stored in the ECM, DTC U046900.
A9424762073332_22024-05-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is noise when steering.
A9124992073629_12024-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information when the Apple CarPlay connection is dropped repeatedly in short intervals.
A9124032056558_32024-05-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides software update instructions for MIB2+.
A9124022062466_52024-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. This bulletin provides information when Apple CarPlay cannot be started using the Wi-Fi connection (Wireless Carplay).
A9024852073747_12024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there are scratches, or a coating on the cover of the instrument cluster, or particles in the housing.
A9024842032113_92024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides general information regarding outside air temperature readings.
A9024832059335_52024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there is noise from around the instrument cluster.
A7224542072225_22024-05-06. Service bulletin. UNKNOWN OR OTHER. This Pending Service Solution (PSS) requests that technicians enter a record into the PSS Database in instances where there is noise from the backrest of the front seat.
A9124942073582_12024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides general troubleshooting for connection complaints related to Apple CarPlay.
A9124922073580_12024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information regarding ordering replacement parts for ConBox Low.
A5724342017082_12024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the remote control key is inoperative.
A4324852059363_52024-05-06. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM. This bulletin provides information when there is an air suspension malfunction warning in the cluster; DTC C1260F0n or U112100 is stored in the suspension control module.
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.
A2724712067906_52024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when DTC P0A7D00 is stored.
A9424732012749172024-04-05. Service bulletin. EXTERIOR LIGHTING; UNKNOWN OR OTHER. This bulletin provides information when the exterior lights have moisture accumulation.
A2724692058831132024-04-05. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM); UNKNOWN OR OTHER. This bulletin provides information for when there is a vehicle electrical system warning stored in the ECM, DTC U046900.

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