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
| TSB_2081030_2 | 2026-05-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI. |
|---|---|
| TSB_2081030_1 | 2026-05-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI. |
| TSB_2080517_3 | 2026-05-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective. |
| TSB_2070568_6 | 2026-05-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool |
| TSB_2022032_12 | 2026-05-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides diagnostic information for the vehicle locking system. |
| TSB_2081531_1 | 2026-04-07. Service bulletin. UNKNOWN OR OTHER. This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392. |
| TSB_2081409_1 | 2026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton regarding the Universal Traffic Recorder. |
| TSB_2081405_1 | 2026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn about various infortainment system complaints. |
| TSB_2081402_1 | 2026-04-07. Service bulletin. STRUCTURE:BODY. This TSB provides information when there is moisture in footwell, damp smell in passenger compartment. |
| TSB_2081342_1 | 2026-04-07. Service bulletin. ENGINE. This bulletin provides information when there is a Drive System Malfunction, DTCs related to Knock Sensor P0327, P0332, P0328, P0333 - V6 TFS. |
| TSB_2081200_1 | 2026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaito when Apple CarPlay/Android Auto does not react to touch inputs. |
| TSB_2070349_6 | 2026-04-07. Service bulletin. POWER TRAIN. This bulleitn provides informiaotn when there is a loss of coolant; mechanical coolant pump 2.9L, 3.0L V6 TFSI. |
| TSB_2062633_7 | 2026-04-07. Service bulletin. STRUCTURE:BODY. This bulleitn provides informaiotn when there are cracking/craking noises during load changes, or sever vehicle body torsion. |
| TSB_2051095_11 | 2026-04-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about where to download the Audi frequency app. |
| TSB_2024323_13 | 2026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings. |
| TSB_2024323_12 | 2026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings. |
| TSB_2023187_8 | 2026-04-07. Service bulletin. SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering. |
| Dealer 53ZC 20260320 | 2026-04-07. Service bulletin. UNKNOWN OR OTHER. Engine Control Module Software Update (WARR EXT – U82). Problem description updated. |
| DC_Audi_CF_ Airbag | 2026-04-07. Other. AIR BAGS. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles. |
| Bulletin 53ZC 20260320 | 2026-04-07. Service bulletin. UNKNOWN OR OTHER. Engine Control Module Software Update (WARR EXT – U82). Problem description updated. |
| TSB_2080517_2 | 2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective. |
| TSB_2079214_3 | 2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate. |
| TSB_2073580_5 | 2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding the ordering of replacement parts for ConBox Low. |
| TSB_2062633_6 | 2026-03-03. Service bulletin. SUSPENSION. Thisbulleitn provides informaiotn when there are cracking/craking noises during load changes, or sever vehicle body torsion. |
| TSB_2059335_6 | 2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are noises from the area around the instrument cluster. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.