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Service bulletins for the 2018 Audi S4

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.

796 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
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.
A3924572059129_52024-02-06. Service bulletin. STRUCTURE. This bulletin provides information regarding noises and/or vibrations in tight turns.
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.
A7223492064695_32023-09-01. Service bulletin. STRUCTURE:BODY:DOOR:HANDLE:INTERIOR; STRUCTURE:BODY:DOOR:HANDLE:EXTERIOR. This bulletin provides information for an entry/exit assistance comfort concern.
A5523762062730_32023-07-10. Service bulletin. STRUCTURE:BODY:TRUNK LID; STRUCTURE. This bulletin provides information for when the luggage compartment lid cannot be closed using the button(s) in the luggage compartment trim.

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