Service bulletins for the 2020 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.
1010 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A912304205607617 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when there is no communication to the telematics control module. |
|---|---|
| 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. |
| A4023602058460_5 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when DTCU112100 is found during PDI. |
| 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). |
| 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. |
| A7223462069350_1 | 2023-06-06. Service bulletin. ELECTRICAL SYSTEM; SEATS. This bulletin provides information for when the starter battery is discharged, and the vehicle cannot be started due to the front adjustment seat switch becoming jammed. |
| A5723062055932_9 | 2023-06-06. Service bulletin. PARKING BRAKE; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. This bulletin provides information for when the central locking/parking brake warning, or alarm sounds, or if there are exterior mirror issues. DTCs B122D29, U122800, and/or B14FF29 may be stored. |
| A4823402067555_3 | 2023-06-06. Service bulletin. STEERING. This bulletin provides and SVM update for when the red steering warning is illuminated in the cluster, and DTC B200049 is stored. |
| A4323722067531_2 | 2023-06-06. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when the messages "Air suspension: system fault" or "Shock absorber system/suspension" is shown in the instrument cluster, and one or more of the following DTCs are stored B200FF0, B200FF1, B200FF3, B200FF4, B200FF5. |
| A4023562058460_4 | 2023-06-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively. |
| A0023702021205_7 | 2023-06-06. Service bulletin. EQUIPMENT:OTHER:LABELS. This bulletin provides instructions for ordering replacement Safety Certification labels or VIN plates. |
| A0023692031473_4 | 2023-06-06. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information for when car wash bristles become stuck in the body gap between the headlight and fender. |
| A2723552058831_8 | 2023-06-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900. |
| A1923382069248_2 | 2023-06-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions for when the red coolant temperature is displayed in the instrument cluster and the engine fans are running bu the coolant temperature gauge does not display an excessively high temperature, or the MIL may be illuminated with DTCS P218100, P1BB400. |
| A0023682066297_2 | 2023-06-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information to Audi technicians regarding the VIN-4-PIN bonus program. |
| A9423632061922_2 | 2023-06-06. Service bulletin. EXTERIOR LIGHTING. This bulletin provides details on how to properly document optical concerns in headlights and taillights for warranty submissions. |
| A912394201818713 | 2023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference. |
| A942364201274916 | 2023-06-06. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information for when there is moisture accumulation in the exterior lights. |
| A9023242054505_4 | 2023-05-05. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides instructions for when the sunroof glass panel, or the sunroof rollershade does not operate properly. |
| A4623432069904_1 | 2023-05-05. Service bulletin. SERVICE BRAKES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. This bulletin provides information for when there are noises when braking, and the brake pad thickness is OK. |
| A4423992056386_9 | 2023-05-05. Service bulletin. STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A4423982056386_8 | 2023-05-05. Service bulletin. STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A2723532069916_1 | 2023-05-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides information related to maintaining the 12V Lead-acid or AGM battery when a vehicle is parked for a prolonged period of time. |
| A8723402068460_3 | 2023-05-05. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when the air conditioning system does not cool the cabin and DTCs P053000 and/or P251500 are present. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.