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Service bulletins for the 2018 Audi Q5

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.

1091 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.
A9424782070694_22024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when there is a functional issue with the lights in the rear lid; B146C29.
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.
A9423632061922_22023-06-06. Service bulletin. EXTERIOR LIGHTING. This bulletin provides details on how to properly document optical concerns in headlights and taillights for warranty submissions.
A9423642012749162023-06-06. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information for when there is moisture accumulation in the exterior lights.
A9421512063766_22021-12-07. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING:TAIL LIGHTS. This bulletin contains repair instructions for DTC B12CB15 and/or B12CC15 with a tail warning lamp.
A9421472050234_52021-10-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29.
A9421452063766_12021-10-06. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for DTC B12CB15 and/or B12CC15 with a tail warning lamp.
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.
A9420242050234_42020-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29.
A9419122056012_12019-09-09. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT; EXTERIOR LIGHTING:TURN SIGNAL. This bulletin contains a software update that addresses a intermittent turn signal malfunction message in the instrument cluster with DTC C11A415.
A9419072055123_12019-06-06. 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.
A941902 2050234-2019-04-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EXTERIOR LIGHTING. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29.
A941800 2050234-2018-10-15. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM; STRUCTURE:BODY:BUMPERS. This bulletin contains instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29.
A941898 2050660_2018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin contains a software update that corrects when the static cornering light does not work. No DTCs logged.
A941897 2050363_2018-04-16. Service bulletin. EXTERIOR LIGHTING. This bulletin contains repair information for when the ambient light in the outer door handle does not work and/or water ingress into light housing.

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