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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
A4722122055646_32022-07-01. Service bulletin. SERVICE BRAKES. This bulletin contains repair instructions for when the vehicle sporadically does not start and there is a hard brake pedal concern.
A4622322034181212022-07-01. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A4322622059363_32022-07-01. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This bulletin contains repair instructions for DTC C1260F0 and U112100 with an air suspension malfunction warning.
A2022452063377_12022-07-01. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin advises how to identify and repair instances where a vehicle may stops due to a lack of fuel while the fuel gauge shows 1/4 tank or more of fuel.
A0022562066297_12022-07-01. Service bulletin. EQUIPMENT. This bulletin describes a reporting program for Audi certified technicians.
A4522262067132_12022-06-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owner's manual" is displayed in the instrument cluster without DTCs.
A6022602054270_92022-06-07. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. This bulletin contains instructions for resolving a rattle noise near the central roof area.
A8722272041717_82022-06-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements.
A9022602061489_42022-06-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record if the driver assistance systems are sporadically not working.
A4422922022563212022-06-07. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
A4422932065474_32022-06-06. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This bulletin contains repair instructions regarding a tire pressure monitoring system (TPMS) warning light with DTC U012700.
A4822302061904_42022-05-05. Service bulletin. STEERING. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
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.
A4822272065871_22022-05-05. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update.
A4822262063546_22022-05-05. Service bulletin. STEERING. This bulletin states how to check for a dynamic steering actuator problem. Solution is under development.
A9622772059201_52022-05-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9122952055188_42022-05-05. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin contains repair instructions for when one of the following DTCs is logged B127C04, B127D04, B127E04, B127F04, and B200FFA with a fogged overhead camera.
A9122942062266_82022-05-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost.
A9022582059335_32022-05-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains information on noises from the instrument cluster installation area.
A8722252010146172022-05-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin contains instructions for properly cleaning and removing a musty odor from the heating and ventilation system.
A9022572032113_62022-05-05. Service bulletin. EQUIPMENT:ELECTRICAL. This is an informational bulletin containing information about the outside temperature reading.
A8722242064077_12022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A6922852062974_32022-05-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states to delete the DTCs and not replace parts for when there is a malfunction message and DTC B130474 and B130574 are sporadically stored.
A6822352063737_22022-05-05. Service bulletin. EQUIPMENT. This bulletin contains instructions on how to address a noise from the front center console.
A4622302034181202022-05-05. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.

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