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Service bulletins for the 2020 Audi A8

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.

1291 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

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

Bulletins, newest first
A2723512058831_72023-04-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A2723502067906_22023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 48V battery is in a low voltage protection state and will not accept a charge; DTC P0A7D00 is logged.
A2723492058831_62023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900.
A2723482069747_12023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the vehicle does not start due to a drained battery.
A9023102059891_42023-04-06. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM. This bulletin states that it takes about 20 seconds after switching the ignition on for the Audi Pre Sense symbol advising that "Audi pre sense not available at the moment"
DC_Alternator_92023-03-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Meeting minutes mention alternator topic.
A5723012060196_42023-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions for when the central locking and/or door open warning is displayed in the instrument cluster.
A9623822056019_22023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
A9123722052299_72023-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information to address when the Audi connect "User management" screen is greyed out, and the customer cannot complete the key user pairing. OR the SOS emergency button is red or flashing read. DTCS P169A00 and U13EB00 are present in the system.
A9023042069416_12023-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
DC_Alternator_82023-03-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Alternator Vehicle Down Form
A9123702062973_42023-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when an SOS malfunction is displayed in the instrument cluster; DTCs U142100, U164200, and/or U122C00.
A9023022061689_32023-03-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This bulletin provides instructions for when the acoustical and optical parking system is in operative. The message "Parking Aid: Malfunction!" is displayed and the DTC B107A16 is present.
DC_Alternator2023-01-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Support for Customers Affected by Alternator Back-order
A4822362067555_22023-01-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides a software update for DTC B200049 with Symptom Code 7353984.
A9722892061976_32022-12-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains guidance for submitting warranty wiring repairs.
A9122472062466_32022-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns.
A9122442062973_32022-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin states that an SOS malfunction accompanied by DTCs U142100, U164200, and/or U122C100 my be stored erroneously and the ETCs should be cleared.
A9122362060464_42022-11-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin advises to replace the electronics control module manufactured between 3/16/2019 - 5/22/2019 when sound from all sources will not play in the vehicle.
A2722452058831_12022-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A9722872068037_12022-10-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions on how to address DTC U014000, or DTC U110100.
A0022582045316_62022-09-01. Service bulletin. ELECTRICAL SYSTEM:IGNITION. This bulletin contains information for diagnosing the Start/Stop system.
A9122212055945102022-09-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.
A9122202056076142022-09-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when there is no diagnostics communication with the ConBox.
A9122162067724_12022-09-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin advises that the SCON unit may heat up while it is in the charging cradle as with other similar electronic products; no repair is needed

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