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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

Bulletins, newest first
A9124842018187_172024-12-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information when speaker rattles, vibrations, or audio interference is noted.
A9024472059891_82024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the restricted function icon for Audi Pre sense is displayed after engine starts.
A9024432059863_42024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatoin when Audi pre sense restricted message appears in the instrument cluster, no DTCs.
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.
A4324002067531_52024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit.
A0024992070568_32024-12-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
A0024982075515_22024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin advises that fuel additives are not permitted.
CampTip_RNA_Audi2024-11-06. Other. UNKNOWN OR OTHER. Vehicle Concerns Before Recall Repair Available
A9124732064681_52024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box.
A9124622073580_42024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatin on ordering replacement parts for vehicles with ConBox Low; applies to any customer complaint or DTC, including SOS malfunctions.
A5724652022032_112024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides diagnostic information regarding the locking system.
A3924752075681_12024-11-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are droning noises/vibrations in tight corners, vehicles with PR number GH4 (quattro with ultra technology).
A3924732059057_122024-11-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
A1524532075530_12024-11-06. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
A1024282059446_72024-11-06. Service bulletin. ENGINE. This bulletin provides information when oil is lost from the filler cap.
A0024942075515_12024-11-06. Service bulletin. ENGINE. This bulletin states that the use of fuel additives is not permitted.
A9124522056076_212024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", (DTC U142100, U153E00).
A9124502073580_32024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about ordering ConBox Low replacement parts; applies to any customer complaint, or DTC, including SOS malfunction.
A9024302058077_92024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement.
A9024272070020_42024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the audi virtual cockpit display has semi-circular marks on the edges of the display.
A8724892041717_112024-10-28. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information pertaining to the GFF test plan required for A/C compressore replacements, regardless of the concern.
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.
A4824742055733_52024-10-28. Service bulletin. STEERING. This bulletin provides informatin when there is a squeaking noise from the rubber boot of the intermediate steering shaft.

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