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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A6922852062974_32022-05-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states to delete the DTCs and not replace parts for when there is a malfunction message and DTC B130474 and B130574 are sporadically stored.
A9022552060332_62022-04-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING. 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.
A4822242066318_22022-04-05. Service bulletin. STEERING; ELECTRICAL SYSTEM. This bulletin describes a software update to address DTCs B200FF0 or C12A329 stored in the axle wheel steering control module.
A9022542062065_22022-04-05. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to replace the instrument cluster control module when DTCs B11E101 and B11E201 are stored in the instrument cluster and night vision respectively.
A4822232053869_52022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800.
Bulletin 40S22022-04-05. Service bulletin. ELECTRICAL SYSTEM. Software Update for Active Roll Stabilization
A4822212066318_12022-04-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; STEERING. This bulletin provides instructions to update software to address a steering malfunction warning in the instrument cluster with DTC B200FF0 or C12A329.
A2722432066205_12022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin describes the procedure to update software which addresses DTC P0ADB00 in the Battery Management 2 control module.
A4822182065871_12022-03-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; STEERING. The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update.
A9122742063497_22022-02-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains software updates that address various cluster concerns.
A9022342060332_52022-02-04. 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.
A9421542064418_32022-01-06. 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.
A2721402058831_32022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A0021552011732122022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
A9721822061976_22021-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs.
A9621742063336_22021-12-07. 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.
A9121492055945_82021-12-07. 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.
A9021212060332_42021-12-07. 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.
A9121362055945_72021-10-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.
A9121312061028_32021-10-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.
A9121292055945_62021-10-05. 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.
A9121222060474_32021-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin advises the technician to create a PSS record for when after a software update, with active privacy settings, e.g. "Use of vehicle position", the pop-up window is shown with every ignition cycle. Message persists even if "Do not show again" is selected.
A4021262058460_22021-09-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for DTC U112100.
A9121152063502_12021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages.
A9121142053916_32021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.