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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

Bulletins, newest first
DC_Alternator_72023-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
A4623412034181232023-03-06. Service bulletin. SERVICE BRAKES. This bulletin provides instructions for brake noise analysis and handling.
A92233320381512023-03-06. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides instructions for when the washer solvent level warning is on in the DIS but the washer solvent level is correct.
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.
A9123692052299_62023-03-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides instructions for when the Audi connect "User management" option is greyed out, or the SOS emergency button is red or flashing red.
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.
A9023012061489_52023-03-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides instructions for when the vehicle driver assistance systems are sporadically not working with DTC B200FF9.
A9023002060332_72023-03-06. Service bulletin. EQUIPMENT. This bulletin advises to create a Pending Service Solution (PSS) record in instances where the driver assistance systems are inoperable.
A0123432069351_12023-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides instructions for when the exhaust warning light is ON and/or a whistling noise can be occasionally heard from the engine compartment; DTCs P227900 may be present.
A9123632060523_22023-02-07. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This bulletin describes the steps to update the MIB3 software when applicable.
A9023942063497_42023-02-07. Service bulletin. LANE DEPARTURE: ASSIST. This bulletin provides information for when the customer experiences certain Driver assist system malfunctions.
DC_Alternator_52023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_42023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_32023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_62023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
A6623942049680_22023-02-07. Service bulletin. STRUCTURE. This bulletin provides instructions for when the exterior trim has spots.
A6423862047061_42023-02-07. Service bulletin. VISIBILITY:WINDSHIELD. This bulletin provides instructions for when faint images appear on the windshield from the production sticker, or an image of the suction cups used to install the windshield in production.
A9023922063502_62023-02-07. Service bulletin. LANE DEPARTURE: ASSIST. This bulletin provides instructions for when the lane change assist/intersection assist is sporadically not working and DTC B200FF9 is present in either the lane change assist control modules, or the corner radar control modules.
A8723382068460_22023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when the air conditioning system does not cool the cabin and DTCs P053000 or P251500.
SM 01-20232023-02-07. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A6623952060333_32023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; STRUCTURE. This bulletin provides instructions when the black optic exterior trim is discolored.
A4423972022563_22023-02-07. Service bulletin. VEHICLE SPEED CONTROL. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
A1923342069248_12023-02-07. Service bulletin. BACK OVER PREVENTION; EQUIPMENT:ELECTRICAL. 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.
A1023252059446_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there is oil found in the engine compartment, front end, and around the filler cap, and a smell is coming from the oil compartment.
DC_Alternator_22023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order

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