Service bulletins for the 2012 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.
795 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Fuel injection are shown. Show all
| A012046201475310 | 2020-04-02. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors. |
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| USA B | 2015-07-23. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. AUDI: SOME 2011-2012 AUDI VEHICLES WITH 2.0 TFSI ENGINES WILL HAVE THE WARRANTY EXTENDED FOR INTAKE MANIFOLD AND FUEL INJECTORS. 7/23/15 *TA |
| PRI-A | 2015-07-23. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. AUDI: ALL AUDI 2011-2012 MODEL YEAR WITH AN 2.0 TFSI ENGINE WILL BE EXTENDING THE WARRANTY ON ALL FUEL INJECTORS. 7/23/15 *TA |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.