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Service bulletins for the 2018 Audi A4

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
A7225632064695_52025-02-05. Service bulletin. STRUCTURE:BODY. This bulletin contains service information about a comfort complaint pertaining to the easy-entry function.
A6625162049680_32025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when the exterior rubber trim is spotted.
A6624152046229_52025-01-07. Service bulletin. STRUCTURE:BODY. This bulletin provides informationw hen there are optical defects, scratches, and/or chrome peeling.
A5124322068999_32025-01-07. Service bulletin. STRUCTURE:BODY. This TSB provides information when there is cracked paintwork with corrosion at joint between roof and roof side member.
A9124842018187_172024-12-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information when speaker rattles, vibrations, or audio interference is noted.
A6424022020552_132024-12-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information regarding cleaning exterior glass.
A5024152062633_32024-12-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information when creaking noises are heard when body twists during braking or steering maneuvers.
A5724652022032_112024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides diagnostic information regarding the locking system.
A6624122060333_52024-10-28. Service bulletin. STRUCTURE:BODY. This bulletin provides informaiton when the exterior black optic trim is discolored.
A5124312068999_22024-10-28. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is visible corrosion at the joint between the roof and roof side member.
A0024922031473_52024-10-28. Service bulletin. STRUCTURE:BODY. This bulletin provides informationw hen there are car was brush bristles trapped in the seam between the headlight and fender.
A8724812064077_52024-08-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator.
A7224562064695_42024-08-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is an entry/exit assistance comfort concern.
A2724762074729_12024-08-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are noises/vibration from the front of the vehicle while in dynamic mode.
A9124162018187_142024-07-02. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are speaker rattles, vibration or audio interference.
A7024922044417_122024-07-02. Service bulletin. STRUCTURE:BODY. This bulleint provides information for when noises are heard from the headliner/sunroof area.
A9124162018187_142024-07-02. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are speaker rattles, vibration or audio interference.
A7024922044417_122024-07-02. Service bulletin. STRUCTURE:BODY. This bulleint provides information for when noises are heard from the headliner/sunroof area.
A5724432027368_52024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative.
A5724432027368_52024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative.
A5524892062669_32024-03-06. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT; UNKNOWN OR OTHER. This bulletin provides information when there are noises coming from the trunk lid struts.
A7024862044417102024-02-06. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY:ROOF AND PILLARS. This bulletin provides information for when there are noises from the headliner/sunroof area.
A4224552058459_22024-02-06. Service bulletin. STRUCTURE. This bulletin provides information when there are noises from the rear shock absorber mounting.
A6623042030471_72023-12-06. Service bulletin. STRUCTURE. This bulletin provides information for when the license plate mounting bracket threaded inserts are stripped.
A6623032060333_42023-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information for when the black optic trim is discolored.

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