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

Bulletins, newest first
A0024992070568_32024-12-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
Dealer 27BQ_REV62024-11-06. Service campaign. 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. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated parts table in parts section.
Dealer 27BQ_REV52024-11-06. Service campaign. 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. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year.Updated affected vehicle chart & owner notification letters to reflect the addition of 2022 model year.
Circular 27BQ_REV62024-11-06. Service campaign. 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. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated parts table in parts section.
Circular 27BQ_REV52024-11-06. Service campaign. 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. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year.Updated affected vehicle chart & owner notification letters to reflect the addition of 2022 model year.
CampTip_RNA_Audi2024-11-06. Other. UNKNOWN OR OTHER. Vehicle Concerns Before Recall Repair Available
A9124732064681_52024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box.
A9124712074855_22024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available.
A9124632075537_12024-11-06. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway.
A9024382074688_22024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides infomration related to Driver assist systems: parking aid, maneuver assist, rear cross-traffic assist not working (DTC U111000, U112300).
A9024362055188_122024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatin whem the individual overhead view cameras are inoperative (picture is blurry or fogged up), DTCs B200FFA, B127C04, C12AE02.
A9024352064983_102024-11-06. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the Virtual cockpit has a pixel error.
A7224592074721_22024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is noise from the backrest of the front seat.
A6924162056421_92024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the seat belt and pre sense warnings appear intermittently while driving; DTC B101C07 stored in the airbag module.
A5724652022032_112024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides diagnostic information regarding the locking system.
A3924752075681_12024-11-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are droning noises/vibrations in tight corners, vehicles with PR number GH4 (quattro with ultra technology).
A3924732059057_122024-11-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
A3524532064312_62024-11-06. Service bulletin. POWER TRAIN. This bulletin provides information when the Gearbox warning is on, DTC P17F900 is stored in the TCM.
A3424722067653_92024-11-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
A1524532075530_12024-11-06. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
A0024942075515_12024-11-06. Service bulletin. ENGINE. This bulletin states that the use of fuel additives is not permitted.
A9124512072008_22024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service information when the message "Electrical system: fault" appears in the instrument cluster; event memory entry B200094 (00C4) is stored.
A9024302058077_92024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement.
A9024282075217_12024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides inormatin when the guages is faulty in the Audi virtual cockpit.
A9024272070020_42024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the audi virtual cockpit display has semi-circular marks on the edges of the display.

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