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
| A4823492061904_5 | 2023-07-10. Service bulletin. STEERING. This bulletin provides information for when the yellow steering malfunction light is on in the cluster and DTC C110DF0 is stored in the active steering module. |
|---|---|
| A4823472066318_4 | 2023-07-10. Service bulletin. STEERING. This bulletin provides information for when there is a rear wheel steering malfunction; DTC B200FF0 or C12A329. |
| A4823452065871_3 | 2023-07-10. Service bulletin. STEERING. This bulletin provides information for when there is an active steering malfunction with DTC B200FF0. |
| A4423002065474_4 | 2023-07-10. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when there is a TPMS message in the instrument cluster, or the TPMS light is on, and DTC U012700 is stored in the data bus control module. |
| A9123072064681_3 | 2023-07-10. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information for when wireless charging with the Audi Phone Box does not work. |
| A102326201828810 | 2023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine. |
| A4623452070679_1 | 2023-07-10. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29. |
| A4823412028220_1 | 2023-07-10. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. This bulletin provides information for instances where the steering wheel leather is damaged. |
| A9023302055188_6 | 2023-07-10. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. This bulletin provides information for when the overhead view cameras are inoperative; DTCs B200FFA, B127C04, C12AE02. |
| A9723962070488_1 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. This bulletin provides repair information for when the rear parking aid, lane change assist, or rear lid power does not work due to chafing on the wiring harness. |
| A9423652061922_3 | 2023-07-10. Service bulletin. EXTERIOR LIGHTING. This bulletin provides detailed information on the proper documentation of optical concerns for headlights and taillights. |
| A9123982069112_3 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides a software update for instances where saved addresses (including the home address), favorites, last destinations, and/or icon and shortcut order are lost sporadically, the MMI screen turns blue, or becomes stuck on the welcome screen. |
| A9123052068573_2 | 2023-07-10. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This bulletin provides information for when the parking aid sensor bracket(s) separate from the rear bumper. |
| A9123022061257_3 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information for when the message "Audi connect installation: error during installation" is shown in the drop down menu of the MMI. |
| A9023292069244_2 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This bulletin provides information for when the intersection assist arrows flicker for a short period after the vehicle has started, or various other driver assist warnings; DTCs C12D5FA, B200FF9, and/or B107A16 may be stored. |
| A9023282070020_2 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This bulletin provides information for when semi circular marks appear on the edges of the virtual cockpit display. |
| A5723092063236_4 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. This bulletin provides information on the electronic lock (e-lock) and instructions for when the front and/or rear doors cannot be opened, fault messages are in the driver information system such as exit warning, central locking, or child safety lock warnings, and one or more DTC is stored B122D26, B122B13, B14FF29 in the control module for any of the four doors. |
| A5723082027406_5 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information regarding the Audi advanced key. |
| A5523762062730_3 | 2023-07-10. Service bulletin. STRUCTURE:BODY:TRUNK LID; STRUCTURE. This bulletin provides information for when the luggage compartment lid cannot be closed using the button(s) in the luggage compartment trim. |
| A5023132061672_4 | 2023-07-10. Service bulletin. SERVICE BRAKES. This bulletin provides information for when there are creaking noises heard during braking or steering maneuvers. |
| A2723562069747_3 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional diagnostic instructions for when the vehicle does not start due to a drained 12v battery (A). |
| A6823432056298_6 | 2023-06-06. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD. This bulletin provides instructions to address noises from the dash panel which may be heard while driving on poor roads. |
| A922335203815114 | 2023-06-06. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. This bulletin provides instructions for when the washer level warning is on but the reservoir is full. |
| A9123962066315_2 | 2023-06-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to replace the USB interface in instances where it has become damaged or pushed in and is no longer functioning. |
| A9123952067843_2 | 2023-06-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides instructions to disable the configuration wizard. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.