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
| A192228202530313 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
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| A192227202530312 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A9122742063497_2 | 2022-02-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains software updates that address various cluster concerns. |
| A9122702062466_2 | 2022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns. |
| A462227203418119 | 2022-02-04. Service bulletin. EQUIPMENT; SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY. This technical service bulletin provides troubleshooting for brake noise. |
| A9022342060332_5 | 2022-02-04. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE LIGHTING; ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE. This bulletin contains instructions for creating a PSS record when DTC C12D5FA is stored and the driver assist systems are inoperable and a warning message is displayed. |
| A4022322059474_3 | 2022-02-04. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). |
| A2022402065287_2 | 2022-02-04. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS; UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection. |
| A9421542064418_3 | 2022-01-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. This bulletin contains information for a turn signal or tail light warning lamp with DTC B16D4F4, B16D5F4, B16D6F4, and/or B16D7F4, along with instructions for handling such concerns. |
| A6921752056421_6 | 2022-01-06. Service bulletin. AIR BAGS; AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer. |
| A5721872063236_2 | 2022-01-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This bulletin contains diagnosis information for when the front and/or rear doors cannot be opened and there maybe be various DTCs associated. |
| A4421862056386_7 | 2022-01-05. Service bulletin. STEERING; SUSPENSION. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A4021302023187_6 | 2022-01-05. Service bulletin. STEERING. This information bulletin provides an explanation for squeaking noises heard when the steering wheel is turned or maneuvered. |
| A2021392065287_1 | 2022-01-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). There is an internal defect in the EVAP leak detection pump causing false leak detection. |
| A1921262061918_4 | 2022-01-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank. |
| A2721402058831_3 | 2022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900. |
| A002155201173212 | 2022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates. |
| A9721822061976_2 | 2021-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs. |
| A9621742063336_2 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING. This bulletin contains a software update that address when intersection assist/ lane assist are inop with DTC C12BFF0. |
| A4421842065160_1 | 2021-12-07. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This informational bulletin explains how the temporary/collapsible spare wheel inflates. |
| A9121492055945_8 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster. |
| A6921732056421_5 | 2021-12-07. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer. |
| A1921252065040_1 | 2021-12-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This informational bulletin states to check for fluid or residue in the control line when a coolant pump is replaced, this indicates if further repairs need to be undertaken. |
| A9021212060332_4 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS record when DTC C12D5FA is stored and the driver assist systems are inoperable and a warning message is displayed. |
| A912145205607613 | 2021-11-05. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; UNKNOWN OR OTHER. This bulletin contains instructions for when there is no diagnostics communication with the ConBox. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.