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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: Engine are shown. Show all

Bulletins, newest first
A011701 2033001-2017-10-04. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A191666 2043142-2017-10-04. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING. The MIL is sporadically on. One or more of the following DTCs is stored in the engine control module (ECM, J623 (address word 01). They are DTC P261A00 (Coolant Pump ?B? Control Circuit/Open), DTC P261B00 (Coolant Pump ?B? Control Circuit Range/Performance), and DTC P261C00 (Coolant Pump ?B? Control Circuit Low). The continued coolant circulation pump sporadically fails.
A011673 2040403-2017-03-17. Service bulletin. ENGINE AND ENGINE COOLING. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A011665203545442017-03-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS TECHNICAL SERVICE BULLETIN CONTAINS INSTRUCTIONS FOR PRESSURE WASHING PORTS TO RESOLVE AN "AIR SYSTEM -- ACTION REQUIRED" MESSAGE.
A011662204040322017-03-14. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A351622203221142017-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS TECHNICAL SERVICE BULLETIN PROVIDES INSTRUCTIONS FOR DIAGNOSING AN ISSUE WITH THE G676 SENSOR MODULE AND REPLACING IT.
A171672203811962017-03-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
A171671203811952017-03-02. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
A151628203999522017-03-02. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO VERIFY A RATTLING NOISE HEARD AT COLD START AND TO REPLACE BOTH UPPER CHAIN TENSIONERS OF BANK 1 AND BANK 2 WITH AN OPTIMIZED PART.
A011673204040332017-02-28. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A1716732030197162017-02-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR EXCESSIVE OIL CONSUMPTION AND UPDATE THE SOFTWARE IF NEEDED.
A011665203545442017-02-23. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN CONTAINS INSTRUCTIONS FOR PRESSURE WASHING PORTS TO RESOLVE AN "AIR SYSTEM -- ACTION REQUIRED" MESSAGE.
A011662204040322017-02-23. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A011669203300182017-02-10. Service bulletin. ENGINE. THIS TEHCNIAL SERVICE BULLETIN PROVIDES CLEANING INSTRUCTIONS FOR CARBON ACCUMULATION IN THE SECONDARY AIR PORTS IN THE CYLINDER HEAD.
A171675203811972016-10-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
A1716742030197172016-10-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR EXCESSIVE OIL CONSUMPTION AND UPDATE THE SOFTWARE IF NEEDED.
EDITION 1032016-05-23. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2026299/42016-05-19. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2030197/62016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2031458/12016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030197/82016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030197/72016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030197/52016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030197/42016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-01-15-292015-10-15. Service bulletin. ENGINE. AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. MODEL ALL. ALL YEARS. *PE

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