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Service bulletins for the 2011 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.

775 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
2031458/12016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2026049/72016-05-09. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT; SUSPENSION:REAR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2026049/62016-05-09. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; SUSPENSION:REAR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2032971/12016-05-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:MANUAL TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2032211/12016-05-09. Service bulletin. ELECTRICAL SYSTEM; STEERING:GEAR BOX (OTHER THAN RACK AND PINION). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2028085/22016-05-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030477/22016-05-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; STEERING:GEAR BOX (OTHER THAN RACK AND PINION). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2032224/12016-05-09. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). 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
TSB-42-15-242015-10-14. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. AUDI: ON SOME VEHICLES, THE REAR DIFFERENTIAL SIDE FLANGE OR AXLE SHAFT INBOARD FLANGE IS LEAKING OIL FROM QUATTRO SPORTS AND PROTECTIVE CAP HAS INSUFFICIENT SEALANT ON INBOARD CONSTANT VELOCITY JOINT NEAR REAR DIFFERENTIAL. MODEL 2010-12 S4, 5, CABRIOLET. *PE
PRI C2015-07-23. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. AUDI: SOME AUDI VEHICLES WITH 2.0 TFSI ENGINES WILL HAVE THE WARRANTY EXTENDED FOR THE INTAKE SOLENOID. 7/23/15 *TA
USA B2015-07-23. 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-A2015-07-23. 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
AL-20112014-09-22. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WARRANTY EXTENSION FOR EMISSIONS CONTROL SYSTEMS WARRANTY FOR FUEL INJECTOR REPLACEMENT, HAS BEEN ISSUED, UNDER SPECIFIC CONDITIONS, 10 YEARS OR 120,000 MILES, WHICHEVER FIRST OCCURS. MODEL 2011. *PE
AL-200820112014-09-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A WARRANTY EXTENSION HAS BEEN ISSUED FOR 10 YRS OR 120, 000 MILES, WHICHEVER OCCUR FIRST, ON EMISSIONS CONTROL SYSTEMS WARRANTY FOR INTAKE MANIFOLD AND FUEL INJECTORS, UNDER SPECIFIC CONDITIONS. MODEL 2008-2011. *PE
AL-200920112014-09-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. UNDER SPECIFIC CONDITIONS, THE EMISSIONS CONTROL SYSTEMS WARRANTY, FOR FUEL INJECTOR REPLACEMENT, HAS BEEN EXTENDED TO 10 YRS OR 120,000 MILES, WHICHEVER HAPPENS FIRST. MODEL 2009-2011. *PE
TSB-44-13-462014-03-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. AUDI: ON CERTAIN VEHICLES, USE CALIBRATED TORQUE WRENCH AND NOT TORQUE STICKS, TORQUE EXTENSION BARS AND IMPACT GUNS/WRENCHES NOT APPROVED FOR USAGE ON WHEEL BOLTS BY MANUFACTURER, THAT CAN CAUSE DAMAGE TO BRAKE, STEERING WHEEL, HUB. MODEL 1995-2014 ALL. *PE
TSB-45-13-072014-03-06. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. AUDI: DUE TO DAMAGE ABS WHEEL SPEED SENSOR DURING PRODUCTION, SOME VEHICLES MAY EXPERIENCE STEERING WHEEL NOT LOCKING, IGNITION KEY CANNOT BE REMOVED, AND OTHER VARIOUS ISSUES. MODEL 2009-2014 A4/S4, A5/S5, A5/S5 CAB, Q5. *PE UPDATED 05/21/2014 *JS
TSB-35-13-152014-01-03. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). AUDI: MULTIPLE DIAGNOSTIC TROUBLE CODES (DTC) ASSOCIATED WITH POOR INTERNAL CONTACT OF CIRCUIT BOARD (GEARBOX) WHERE OIL ADDITIVES CAN CAUSE PLASTIC CIRCUIT PLATES TO DELAMINATE AND CONTACT LOSS. MODEL 2010-2013 S4, S5, RS5, S6, S7. *PE
SB-483262013-12-06. Service bulletin. ENGINE. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PROVIDED REGARDING WARRANTY EXTENSION ON CARBON BUILDUP REMOVAL, ENGINE CYLINDER HEAD SECONDARY AIR PORTS. MODELS 2009-2012. NO MODEL PROVIDED. *PE
TSB-37-13-092013-12-02. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). AUDI: IN SOME VEHICLES, THE CLUTCHES, AFTER HAVING TORQUE CONVERTER, COMPLETE GEARBOX REPLACEMENT OR MECHATRONICS, MUST ADAPT TO NEW COMPONENTS WITH GRADUAL MOVING OF CLUTCH LININGS IN MOST DIVERSE LOAD CONDITIONS. MODELS 2004-14, A3, TT, Q7, A4, A5, A6, A7, A8, Q5, S4, S5, S6, S7, RS5. *PE

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