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Service bulletins for the 2021 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.

1342 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
A4322652067531_12022-08-03. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION. This bulletin provides steps to address DTCs B200FF0, B200FF1, B200FF3, B200FF4, and B200FF5.
A4022452047920_62022-08-03. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle.
A9022732052299_52022-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for proper transport mode deactivation (DTC U142100, DTC P169A00, and U13EB00 ).
A9122092062266_92022-07-01. Service bulletin. EQUIPMENT. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost.
SM 47-20222022-07-01. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A9722832067133_12022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE. This Pending service solutions requests that technicians create a PSS record for instances where a yellow check engine lamp is intermittently displayed upon start with DTC U014000or U110100 is sporadically stored. A software update is being developed; component replacement is not necessary.
A9122042066224_42022-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. This Pending Service Solution provides workaround instructions to clear a software malfunction which may cause the lower MMI display to flicker or become distorted. The bulletin will be updated with more information when a solution is available.
A9122032061028_42022-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin describes the registering and pairing process required to utilize the SIM card to activate 3rd generation Audi connect services.
A5722912063236_32022-07-01. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK; UNKNOWN OR OTHER. This bulletin contains diagnosis information for when the front and/or rear doors cannot be opened and there may be various DTCs associated.
A4822332064018_62022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4622332051095_72022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
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.
A9122022066224_32022-06-07. Service bulletin. EQUIPMENT:ELECTRICAL. This Pending Service Solution provides workaround instructions to clear a software malfunction which may cause the lower MMI display to flicker or become distorted. The bulletin will be updated with more information when a solution is available.
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.
A9122962066224_22022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Pending Service Solution provides workaround instructions to clear a software malfunction which may cause the lower MMI display to flicker or become distorted. The bulletin will be updated with more information when a solution is available.
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.

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