Service bulletins for the 2023 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.
851 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A9124712074855_2 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available. |
|---|---|
| A9124632075537_1 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway. |
| A9024352064983_10 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the Virtual cockpit has a pixel error. |
| A7224592074721_2 | 2024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is noise from the backrest of the front seat. |
| A5724652022032_11 | 2024-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides diagnostic information regarding the locking system. |
| A3924752075681_1 | 2024-11-06. 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_12 | 2024-11-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra. |
| A1524532075530_1 | 2024-11-06. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds. |
| A0124412071199_4 | 2024-11-06. Service bulletin. ENGINE. This bulletin provides information when the MIL is on P045600 Very Small Leak Detected - NVLD. |
| A0024942075515_1 | 2024-11-06. Service bulletin. ENGINE. This bulletin states that the use of fuel additives is not permitted. |
| A9624032061932_9 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when "Audi Active Lane Assist/Traffic Jam Assist: malfunction!" is displayued, DTC U112300 is stored in one of two control modules |
| A9124572075325_1 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This Pending Service Solution (PSS) requests that technicians create a record in the PSS Database in instances whwere the message "Loading system. Please wait…" is dislayed after driving for an extended period of time. |
| A9024302058077_9 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement. |
| A9024282075217_1 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides inormatin when the guages is faulty in the Audi virtual cockpit. |
| A9024272070020_4 | 2024-10-28. 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_11 | 2024-10-28. 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_5 | 2024-10-28. Service bulletin. STRUCTURE:BODY. This bulletin provides informaiton when the exterior black optic trim is discolored. |
| A5724622075236_1 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the ignition cannot be switched on, DTC "U043100" or "U014100" stored in gateway (DA0019). |
| A5124312068999_2 | 2024-10-28. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is visible corrosion at the joint between the roof and roof side member. |
| A4824742055733_5 | 2024-10-28. Service bulletin. STEERING. This bulletin provides informatin when there is a squeaking noise from the rubber boot of the intermediate steering shaft. |
| A4824732075199_1 | 2024-10-28. Service bulletin. STEERING. This bulletin provides information when there is a prompt to take over steering; hands off detection. |
| A4824722028220_12 | 2024-10-28. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information regarding steering wheel visual damage. |
| A4624592069078_2 | 2024-10-28. Service bulletin. SERVICE BRAKES. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes. |
| A4624572051095_9 | 2024-10-28. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on frequency analysis. |
| A4524492075120_1 | 2024-10-28. Service bulletin. SERVICE BRAKES. This bulletin provides information regarding the general approach to brakes rubbing. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.