Service bulletins for the 2020 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.
1382 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A9122452068435_1 | 2022-12-06. 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. |
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| A9122442062973_3 | 2022-12-06. 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. |
| A8722352068460_1 | 2022-12-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin advises of an improved sensor to address when the air conditioning system does not cool the cabin and DTCs P053000 and/or P251500 is present. |
| A3922492059057_5 | 2022-12-06. Service bulletin. WHEELS. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel. |
| A3422602067653_2 | 2022-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions to address DTCs P071800, P276800, P071800, and P276800. |
| A9722882068037_2 | 2022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides instructions on how to address DTC U014000, or DTC U110100. |
| A9122402065728_3 | 2022-11-04. 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_1 | 2022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to update the software in order to resolve a variety of MMI malfunctions. |
| A9122362060464_4 | 2022-11-04. 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_5 | 2022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. If DTC P044200 or P045600 are present, the GX36 may need to be replaced. |
| A2022502061461_5 | 2022-11-04. 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. |
| A4622352034143_8 | 2022-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for opening a TAC ticket for ceramic brake repairs. |
| A2722452058831_1 | 2022-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900. |
| A912231205594512 | 2022-10-05. 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. |
| A912230205607616 | 2022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains instructions for when there is no diagnostics communication with the ConBox. |
| A9122332062973_2 | 2022-10-05. 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_2 | 2022-10-05. 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_1 | 2022-10-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions on how to address DTC U014000, or DTC U110100. |
| A912226205594511 | 2022-10-05. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster. |
| A912225205607615 | 2022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for when there is no diagnostics communication with the ConBox. |
| A2422602067937_1 | 2022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin offers further guidance regarding diagnosis and system information for vehicles with a 48 V electrical system. |
| A2022492065287_4 | 2022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER. This bulletin advises to replace the EVAP LD Pump if DTC P044200 or DTC P045600 are present under specific circumstances. |
| A1722202067906_1 | 2022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides detailed instructions for diagnosis when DTC P0A7D00 is present. |
| A1022242059446_5 | 2022-09-01. Service bulletin. UNKNOWN OR OTHER. This bulletin advises to replace the membrane in the breather line in instances where oil found in the engine compartment, front end, and around the filler cap, or a smell is detected. |
| A0022582045316_6 | 2022-09-01. Service bulletin. ELECTRICAL SYSTEM:IGNITION. This bulletin contains information for diagnosing the Start/Stop system. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.