WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSB_2082323_12026-07-07. Service bulletin. ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2021205_102026-03-03. Service bulletin. ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
TSB_2060750_52026-02-06. Service bulletin. ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks.
TSB_2075530_22025-04-04. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
A0124482014753_132025-01-07. Service bulletin. ENGINE. This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
A1524532075530_12024-11-06. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
A2424632074810_22024-10-28. Service bulletin. ENGINE. This bulletin provides information when ther is an Engine: start/stop system fault shown and start/stop system not is working; mileage below 50 km/32 miles.
17133620301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption - Customer complaints, 3.0T TFSI Model Year 2009 ? 2012
17123420301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption too high, 3.0T TFSI Model Year 2009 - 2012
10120920301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption too high, 3.0T TFSI Model Year 2009
10120820301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption too high, 3.0T TFSI Model Year 2010 ? 2012
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
A9123942018187132023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference.
A1923362025303142023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants.
A0123412014753122023-03-06. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
Edition922023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Idenifying and mixing factory fill engine coolants
011390203376712023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. 01 MIL on (DTC P1196/P1197/P0135, heater circuit fault lambda sensor) - Repair Authorization
011366203145832023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Under extreme driving conditions, such as a driving profile of mainly short distance (stop and go) driving high crankcase pressure can lead to the above described DTC codes.
011345203145842023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Under extreme driving conditions (such short-distance, stop-and-go driving), high crankcase pressure can cause the DTCs to appear.
011258203145812023-01-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Under extreme driving conditions, such as a driving profile of mainly short distance (stop and go) driving high crankcase pressure can lead to the above described DTC codes. By changing the crankcase pressure valve to a lower operating pressure this condition can be improved and eliminate the mentioned possible DTC codes. Along with the crankcase pressure being lowered, a new ECM software level is required to compensate for new crankcase pressure.
001466203794912023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). A DTC with the description ?Invalid Data Record? is stored after an ECU has been replaced or updated.
001463203357622023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay. When an unapproved aftermarket speed-filling device is used to add oil to the engine, the increased oil flow rate may force oil into the intake manifold or combustion chamber, creating the potential for engine damage.
001459202973722023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
001349203357612023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay.

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