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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: Lighting are shown. Show all

Bulletins, newest first
A9424792063739_22024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when the headlights do not turn off during daylight hours.
A9424732012749172024-04-05. Service bulletin. EXTERIOR LIGHTING; UNKNOWN OR OTHER. This bulletin provides information when the exterior lights have moisture accumulation.
A9424722073282_12024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens.
A9423672071954_12023-11-06. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A9423652061922_32023-07-10. Service bulletin. EXTERIOR LIGHTING. This bulletin provides detailed information on the proper documentation of optical concerns for headlights and taillights.
A0023692031473_42023-06-06. 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.
A9622772059201_52022-05-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
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.
A9421502064418_22021-12-07. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL; ELECTRICAL SYSTEM. This bulletin states to fill out the questionnaire and clear DTCs if the vehicle is within NVLW for DTC(s) B16D4F4, B16D5F4, B16D6F4, B16D7F4, if the vehicle returns then follow additional instructions.
A4821122064018_32021-12-07. Service bulletin. EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A9421462064418_12021-10-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. This bulletin states to fill out the questionnaire and contact TAC if the vehicle is within NVLW for DTC(s) B16D4F4, B16D5F4, B16D6F4, B16D7F4.
A9421442059217_22021-10-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This bulletin contains instructions for when the hazard warning lights activate on their own and may not be able to be turned off.
A9421432054161_32021-08-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EXTERIOR LIGHTING. This bulletin contains instructions for adjusting the matrix-design high beams.
A0021472031473_32021-07-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again.
A9421392063739_12021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS. This information bulletin explains how the daylights turn on and off.
A9421362023322_32021-04-06. Service bulletin. EXTERIOR LIGHTING. This informational bulletin contains information on the different shading of LED headlights.
A9421342012749_12021-03-04. Service bulletin. EXTERIOR LIGHTING. This bulletin contains instructions for addressing condensation in the headlights.
A9421322055123_42021-02-04. Service bulletin. EXTERIOR LIGHTING. This bulletin contains repair instructions for a warning message regarding the rear lighting. There are several possible DTCs that could be stored.
A9420302055123_32021-01-08. Service bulletin. EXTERIOR LIGHTING; VISIBILITY; EQUIPMENT. This bulletin contains repair instructions for a warning message regarding the rear lighting. There are several possible DTCs that could be stored.
Bulletin97EFREV12020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING. A rear light animation feature may be missing. Updated claiming criteria.
Bulletin 97EF2020-06-04. Service bulletin. EXTERIOR LIGHTING. A rear light animation feature may be missing.
A9720702058876_12020-04-02. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for the OLED taillights.
A9419182012749_12020-01-08. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2004-2006 A7, 2004-2011 S7, 2021 RS6 Avant, 2004-2006 S8
A9419092054161_22019-07-09. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This bulletin contains instructions for adjusting the matrix-design high beams. E-tron quattro
A911940 2053866-2019-04-08. Service bulletin. EQUIPMENT:ELECTRICAL; INTERIOR LIGHTING. This bulletin contains a software update for when the rear reading light turns out without customer input.

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