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Service bulletin A9421392063739_1

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10198234
Published by NHTSA2021-07-02
Manufacturer's numberA9421392063739_1
Manufacturer's date2021-06-23
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS

NHTSA's summary

This information bulletin explains how the daylights turn on and off.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals, Lighting, Headlights

Vehicles listed
AUDI A32018, 2019, 2020
AUDI A32022
AUDI A3 ETRON2019 to 2020
AUDI A3 SPORTBACK E-TRON2018
AUDI A42018, 2019, 2020, 2021, 2022
AUDI A52018, 2019, 2020, 2021, 2022
AUDI A5 CABRIOLET2018 to 2021
AUDI A62018, 2019, 2020, 2021, 2022
AUDI A6 ALLROAD2020, 2021
AUDI A72018, 2019, 2020, 2021, 2022
AUDI A7 E2021, 2022
AUDI A82018, 2019, 2020
AUDI A82021 to 2022
AUDI A8 L E2021
AUDI ALLROAD2018 to 2021
AUDI AUDI
AUDI E-TRON2019
AUDI E-TRON2020
AUDI E-TRON2021, 2022
AUDI Q32018, 2019, 2020, 2021, 2022
AUDI Q52018, 2019, 2020, 2021
AUDI Q5 PHEV2020 to 2022
AUDI Q5 SPORTBACK2022
AUDI Q72018, 2019, 2020, 2021, 2022
AUDI Q82019, 2020, 2021, 2022
AUDI R82018
AUDI R82020
AUDI RS 32018, 2019, 2020
AUDI RS 32022
AUDI RS 52018, 2019
AUDI RS 52021, 2022
AUDI RS 6 AVANT2021, 2022
AUDI RS 72018
AUDI RS 72021, 2022
AUDI RS Q82020, 2021, 2022
AUDI RS32021
AUDI RS62018
AUDI RS62020
AUDI S32018, 2019, 2020
AUDI S32021
AUDI S32022
AUDI S42018, 2019, 2020, 2021, 2022
AUDI S52018, 2019, 2020, 2021, 2022
AUDI S5 CABRIOLET2018 to 2021
AUDI S62018
AUDI S62019
AUDI S62020, 2021, 2022
AUDI S72018
AUDI S72020, 2021, 2022
AUDI S82020, 2021, 2022
AUDI SQ52018, 2019, 2020, 2021, 2022
AUDI SQ72020, 2021, 2022
AUDI SQ82020, 2021, 2022
AUDI TT2018, 2019, 2020, 2021, 2022
AUDI TT RS2018, 2019, 2020, 2021, 2022
AUDI TTS2018, 2019, 2020, 2021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
A9424722073282_12024-04-04. Service bulletin. This bulletin provides information on visual concerns with the headlight lens.
A9423672071954_12023-11-06. Service bulletin. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A0023692031473_42023-06-06. Service bulletin. This bulletin provides information for when car wash bristles become stuck in the body gap between the headlight and fender.
A9423622067655_22023-03-06. Service bulletin. This bulletin provides instructions or when a headlamp warning is displayed in the instrument cluster, one of the low beam lamps may be inoperative, and DTC C119811 is stored.
A9622772059201_52022-05-05. Service bulletin. 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.
A9222292065982_12022-03-04. Service bulletin. This bulletin describes a condition where the headlight washer may not retract and the associated process to repair.
Dealer 94O72021-08-04. Service bulletin. On Audi vehicles with LED and matrix beam headlights with main beam assist, the main beams may be incorrectly activated in rare cases when driving out of a tunnel.
Bulletin 94O72021-08-04. Service bulletin. On Audi vehicles with LED and matrix beam headlights with main beam assist, the main beams may be incorrectly activated in rare cases when driving out of a tunnel.
A0021472031473_32021-07-02. Service bulletin. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again.
A9419172055803_22020-01-08. Service bulletin. This informational bulletin contains an explanation for a perceived defect.