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Service bulletins for the 2019 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.

1481 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
A0123352069038_22023-02-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions for when the MIL illuminated, and one or more DTCs may be stored; DTC P0300, P3031, P0302, P0303, P0304, P0305, P0306.
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.
A0122312069038_12023-01-06. Service bulletin. EQUIPMENT:ELECTRICAL. software update is available for instances where the MIL is illuminated with one of the following DTCs: P0300, P0301, P0302, P0303, P0304, P0305, P0306.
A4822362067555_22023-01-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides a software update for DTC B200049 with Symptom Code 7353984.
A3022312053597_62023-01-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A9722892061976_32022-12-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains guidance for submitting warranty wiring repairs.
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.
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.
A9122442062973_32022-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin states that an SOS malfunction accompanied by DTCs U142100, U164200, and/or U122C100 my be stored erroneously and the ETCs should be cleared.
A3922492059057_52022-12-06. Service bulletin. WHEELS. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
A9722882068037_22022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides instructions on how to address DTC U014000, or DTC U110100.
A9122402065728_32022-11-04. 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.
A9122382068233_12022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to update the software in order to resolve a variety of MMI malfunctions.
A9122362060464_42022-11-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin advises to replace the electronics control module manufactured between 3/16/2019 - 5/22/2019 when sound from all sources will not play in the vehicle.
A2022512065287_52022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. If DTC P044200 or P045600 are present, the GX36 may need to be replaced.
A2022502061461_52022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin advises on the repair recommendation for a squeaking, grinding, or tweeting noise coming from the engine compartment. DTC P2BA300 may be stored.
A2722452058831_12022-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A9122312055945122022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.
A9122302056076162022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains instructions for when there is no diagnostics communication with the ConBox.
A9122332062973_22022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states that an SOS malfunction accompanied by DTCs U142100, U164200, and/or U122C100 my be stored erroneously and the ETCs should be cleared.
A9122292062480_22022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin advises that DTCs B18BEF0 and/or B18BDF0 may arise due to a sensitive diagnostic routine; codes can be cleared and no parts require replacement.
A9722872068037_12022-10-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions on how to address DTC U014000, or DTC U110100.

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