Service bulletins for the 2021 Audi S8
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.
1150 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| SM 21-2024 | 2024-04-05. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward. |
|---|---|
| SM 19-2024 | 2024-04-05. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A942473201274917 | 2024-04-05. Service bulletin. EXTERIOR LIGHTING; UNKNOWN OR OTHER. This bulletin provides information when the exterior lights have moisture accumulation. |
| A272469205883113 | 2024-04-05. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM); UNKNOWN OR OTHER. This bulletin provides information for when there is a vehicle electrical system warning stored in the ECM, DTC U046900. |
| A9124892069112_5 | 2024-04-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on various improvements for MIB 3. |
| A8724702064077_4 | 2024-04-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only. |
| A4824642063546_4 | 2024-04-04. Service bulletin. STEERING. This bulletin provides information on the identification of noises in the dynamic steering. |
| A2724702066205_2 | 2024-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are multiple warnings, and DTC P0ADB00 is stored in the battery management 2 control module. |
| A9424742073332_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; STEERING. This bulletin provides information if there is noise when steering the vehicle. |
| A9424722073282_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens. |
| A4024752047920_9 | 2024-04-04. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; UNKNOWN OR OTHER. This bulletin provides information from the front end and dash panel are heard when the vehicle is moving. |
| A2724682073284_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This bulletin provides information when there is a 48V MHEV electrical system fault with DTC U04690. |
| A2024672073032_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump. |
| A1924552061918_6 | 2024-04-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; UNKNOWN OR OTHER. This bulletin provides information when the low coolant light is on but the coolant level is within specifications. |
| A9124772073135_1 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Pending Service Solution (PSS) requests that a record be added to the PSS database in instances where the radio favorites are lost, shortcuts are greyed out on lower screen with MIB3 vehicles. |
| A9124762073134_1 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL. This Pending Service Solution (PSS) requests that technicians create a record in the PSS database in instances where the star button function assignment is lost on the multifunction steering wheel is lost sporadically. |
| A9124742069112_4 | 2024-03-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN. This bulletin provides information on various improvements for MIB 3. |
| A6924072056421_8 | 2024-03-06. Service bulletin. SEAT BELTS. This bulletin provides information for when there is a seat belt warning, or a pre-sense warning that appears sporadically while driving; DTC B101C07 is stored in the airbag module. |
| A9124702062466_4 | 2024-03-06. Service bulletin. EQUIPMENT; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information when Apple CarPlay cannot be started using Wi-Fi connection (Wireless CarPlay). |
| A5724312063236_5 | 2024-03-06. Service bulletin. UNKNOWN OR OTHER; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This bulletin provides information when the front or rear door lock is not locking, is without function, and/or fault messages in DIS, DTC(s) B122D29, B14FF29 or B122B13. |
| A4024742058489_8 | 2024-03-06. Service bulletin. SUSPENSION; ENGINE. This bulletin provides information when there is a squeaking noise from the front of the vehicle while driving. |
| A1924522065040_4 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; UNKNOWN OR OTHER. This bulletin provides information when the coolant warning light is on or when the coolant pump is replaced due to a coolant leak. |
| A9124622072901_1 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information when the wireless connection for the Audi Smartphone Interface drops out in specific areas. |
| A9124682072959_1 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface. |
| A9124662071056_3 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Outlook contacts are not accessible via the MMI with Apple devices. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.