WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Audi S6

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.

1155 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
A6623952060333_32023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; STRUCTURE. This bulletin provides instructions when the black optic exterior trim is discolored.
A5023102060335_42023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides instructions for when there is water discovered in the footwell area and electrical connectors may be showing signs of corrosion.
A4423972022563_22023-02-07. Service bulletin. VEHICLE SPEED CONTROL. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
DC_Alternator_22023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
A9123612062115_92023-02-07. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides instructions for when a customer states that after an over-the-air navigation map update the navigation system is permanently initializing or the navigation map is incomplete or corrupt and DTC B126CF0 and/or B126CF1 may be stored in the electronics control module.
A9123602068721_22023-02-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides instructions for when the lower MMI display flickers sporadically, or looks distorted; HVAC settings change without user input; or touch inputs are detected on the lower display with out interaction.
A9123592036576_72023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin advises that the MMI screen may freeze, or go blank and then restart when a special character like a symbol or emoticon is used in the name field for contact(s).
A9023912069055_22023-02-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides instructions for when the head up display does not work and/or the 12v battery may be drained.
A8023122062583_22023-02-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides instructions for when the customer advises that there is insufficient or uneven cabin heating from the HVAC system.
A5123262068999_12023-02-07. Service bulletin. STRUCTURE. This bulletin provides instruction for when a customer advises that a visible line of corrosion is forming in the roof.
A4623402069078_12023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for when the zirconium inserts found to be not firmly attached during service work.
A2023522065287_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.
A0123342054893_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when the message "Please reduce oil level" is reported.
DC_Alternator2023-01-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Support for Customers Affected by Alternator Back-order
DC_RECALLS2023-01-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES
A5722002022032102023-01-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This technical service bulletin provides troubleshooting information for the vehicle locking system.
A9022842064983_52023-01-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides directions for when there is a pixel fault in the instrument cluster.
A9122532068721_12023-01-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states that a software update is available in instances where the MMI display becomes distorted or flickers.
A4822362067555_22023-01-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides a software update for DTC B200049 with Symptom Code 7353984.
A9722892061976_32022-12-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains guidance for submitting warranty wiring repairs.
A9122512062266_12022-12-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin advises to create a PSS record in instances where information in the MMI such as last destinations, favorites, and user defined buttons are lost.
A9122472062466_32022-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns.
A9122492059528_72022-12-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides directions when the SOS malfunction warning is displayed in the instrument cluster accompanied by DTC B200096 or DTCB200000.
A9122462065728_42022-12-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs.
A9122452068435_12022-12-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. This bulletin states that due to a software malfunction in Apple iOS Version 16.0.x there are restrictions with bluetooth connection.

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