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_2052680_4 | 2026-03-03. Service bulletin. UNKNOWN OR OTHER. This Reporting Obligation requires technicains to contact the Technical Assistance Center (TAC) in cases where the airbag/seatbelt is deployed/not deployed; general accident information; and fire and overheat damage. |
|---|---|
| TSB_2051095_10 | 2026-03-03. Service bulletin. ENGINE. This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded. |
| TSB_2021205_10 | 2026-03-03. Service bulletin. ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures. |
| TSB_2080681_1 | 2026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding contact checks for event memories, intermittent. |
| TSB_2079214_2 | 2026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate. |
| TSB_2059057_13 | 2026-02-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra. |
| TSB_2074846_4 | 2026-02-06. Service bulletin. STEERING. This bulletin provides information about vibrations and rotational steering vibrations. |
| TSB_2069416_2 | 2026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working. |
| TSB_2060750_5 | 2026-02-06. Service bulletin. ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks. |
| TSB_2056019_5 | 2026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate. |
| TSB_2080517_1 | 2026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective. |
| TSB_2061669_3 | 2026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service infrmation for workshop mode with Audi connect vehicles. |
| TSB_2021205_9 | 2026-01-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures. |
| TSB_2079652_2 | 2026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Emergency call LED in the roof module is not lit up green. |
| TSB_2074808_3 | 2026-01-07. Service bulletin. POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries. |
| TSB_2074640_2 | 2026-01-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km. |
| TSB_2028220_13 | 2026-01-07. Service bulletin. STEERING. This bulletin provides regarding visual damage for all vehicles. |
| TSB_2070349_5 | 2026-01-07. Service bulletin. ENGINE. This bulletin provides information when tehre is a loss of coolant. |
| TSB_2018187_18 | 2026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are speaker rattles, vibrations, or audio interference. |
| TSB_2079903_1 | 2025-12-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there is difficulty fueling, gas pump clicks off before the tank is full. |
| TSB_2067531_7 | 2025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletinprovides information when DTCs B200FF0 to B200FF5 are stpredom the J775 suspension control unit. |
| TSB_2058077_10 | 2025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement. |
| TSB_2059665_7 | 2025-11-08. Service bulletin. SUSPENSION. This bulletin provides information parameter settings for suspension control unit J775. |
| TSB_2069904_2 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds. |
| TSB_2065978_6 | 2025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the steering wheel does not heat up sufficiently. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.