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Service bulletins for the 2008 Audi A4

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.

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

By type

By component

By trouble code

Bulletins, newest first
TSB-01-14-632014-03-19. Service bulletin. ENGINE. AUDI: THE ENGINE WOULD HAVE A ROUGH IDLE, DIFFERENT MISFIRE FAULTS OR REDUCED PERFORMANCE WITHOUT LOSS OF POWER OR STALLING, THAT CAUSES THE MALFUNCTION INDICATOR LAMP (MIL) ON. MODEL 2008-2015 A3, A4, ALLROAD, TT, A5, A5 CABRIOLET, Q5, A6. *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-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
94-13-192013-07-16. Service bulletin. EXTERIOR LIGHTING. AUDI: THE VEHICLE LIGHTS MALFUNCTION MESSAGE MAY BE DISPLAYED ON THE DASHBOARD CLUSTER. THERE IS NO FAILURE. ALSO INCLUDED MODEL A4 MY 2014, MODEL A5 CABRIOLET MY 2014, MODEL Q5 MY 2014, MODEL S7 MY 2012-2014, MODEL RS7 MY 2014. *JS
37-13-072013-07-10. Service bulletin. VEHICLE SPEED CONTROL. AUDI: SOME VEHICLES MAY LACK POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUSLY DEPRESSING THE BRAKE AND ACCELERATOR PEDALS. *JS
TSB-01-13-702013-04-11. Service bulletin. ENGINE. AUDI: 01 MIL ON P1545, P0121, P0123, P0221, OR P0222 STORED IN ECM. A NUMBER OF INCIDENT MEMORY ENTRIES WITH REGARD TO THROTTLE VALVE ARE STORED IN THE ECM. IN MOST CASES, THE ENTRIES ARE SPORADIC. *JS UPDATED 04/15/2013 *JS
DC-5162012-12-10. Service bulletin. AIR BAGS: ALLEGED COUNTERFEIT AIR BAG. AUDI: ON CERTAIN VEHICLES, A POTENTIAL FOR COUNTERFEIT AIRBAGS WERE REPLACED, OR INSTALLED, AT INDEPENDENT REPAIR SHOPS AND HAVE NOT BEEN CERTIFIED BY DEALERSHIPS OR AUDI. MODELS 2006-2009 A3, A4, A6, A8, Q5, Q7. *PE
AUSA-17D92012-05-10. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. AUDI: ON SOME VEHICLES, THE FUEL PRESSURE SENSOR, IMRC MOTOR, OR PRESSURE VALVE MAY FAIL ON TFSI ENGINES, MANUFACTURED WITHIN SPECIFIC PERIOD. *PE
TSB-24-12-242012-05-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: IMRC (INTAKE MANIFOLD RC) MOTOR WARRANTY EXTENSION. *KB
2028635-22012-05-02. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. AUDI: 24T4 UPDATE FUEL PRESSURE SENDER (WARR_EXT) IT IS POSSIBLE THAT THE FUEL PRESSURE SENDER FOR LOW-PRESSURE MAY FAIL ON AUDI VEHICLES WITH 2.0L TFSI ENGINES BUILT WITHIN A SPECIFIC PERIOD. *JS
2015505-102012-05-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: 01 MIL ON (P1297, P2187, P2279), OIL LEAKS, PRESSURE LOSS, SYSTEM TOO LEAN AT IDLE SPEED, AND INTAKE AIR SYSTEM LEAK. THERE MAY BE WHISTLE NOISE/AIR RUSHING NOISE FROM THE ENGINE. ALSO INCLUDED MODEL AUDI TTS MODEL YEARS 2010-2011. *JS
TSB-01-12-392012-04-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM. AUDI: ENGINE HAS REDUCED ENGINE PERFORMANCE WITHOUT LOSS OF POWER OR STALLING; CIRCUIT GROUNDS; FUEL QUALITY POOR; MIL IS CONSTANTLY ILLUMINATED OR FLASHING; ROUGH IDLE; IGNITION COILS INCORRECTLY INSTALLED; ELECTRICAL CONNECTIONS LOOSE OR DAMAGED. *PE
TSB-30-11-112012-03-13. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. AUDI: WHEN PRESSING FIRMLY ON CLUTCH PEDAL, CERTAIN MODEL YEAR VEHICLES MAY OR MAY START. *PE
SB-BPGBPYBWT2012-02-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PERTAINING TO CERTAIN MODEL VEHICLES WITH 2.0L ENGINE CRANKCASE VENTILATION (PCV) VALVE AND INTAKE MANIFOLD RUNNER CONTROL MOTOR WARRANTY EXTENSION. *PE
TSB-01-11-342012-02-07. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. AUDI: BULLETIN INFORMATION PERTAINING TO CERTAIN VEHICLES REGARDING THE FUEL SYSTEM PRESSURE IS EITHER TOO LOW OR TOO HIGH AND PROVIDING A FALSE SIGNAL. *PE UPDATED ON 5/2/2012. *KB
TSB-38-11-052011-06-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: TRANSMISSION PROBLEMS RESULTING IN A DELAYED ENGAGEMENT WHEN COLD OR NO DRIVE ON FIRST ENGAGEMENT. *RM
AWA-10-112011-06-06. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. VOLKSWAGEN: WARRANTY EXTENSION FOR THE HEADLIGHT BULBS. *RM
SB-24-10-612011-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VOLKSWAGEN: MALFUNCTION LIGHT IS ON WITH MISFIRE CODES. THERE IS A SOFTWARE UPDATE. *RM
TSB-20-10-102011-03-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: ONE OR MORE OF THE FOLLOWING DTCS ARE STORED WITHIN FIRST 60 SECONDS, WHEN COOLANT TEMPERATURE IS BETWEEN 10-39%C ACCORDING TO FREEZE FRAME DATA: DTC P0300 (RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED); DTC P0301-P0306 (CYL. 1 MISFIRE DETECTED-CYL. 6 MISFIRE DETECTED). *PE
TSB-94-10-382011-02-16. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. AUDI: DAYTIME RUNNING LIGHTS DO NOT WORK. DAYTIME RUNNING LIGHTS DO NOT WORK ON VEHICLES WITH XENON HEADLIGHTS. THE THUMB WHEEL OR OPTION FOR DAYTIME RUNNING LIGHTS IS TURNED OFF BY MISTAKE. *PE
TSB-90-10-202011-02-15. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. AUDI: FUEL GAUGE DOES NOT REFLECT FUEL TANK IS FULL. THE FUEL GAUGE DOES NOT SHOW FULL EVEN THOUGH THE TANK IS COMPLETELY FILLED. THIS MAY OCCUR AFTER THE VEHICLE HAS BEEN TRANSPORTED BY A VEHICLE TRANSPORT TRUCK. THE LOWERED READING IS TRIGGERED WHEN THE VEHICLES ARE LOADED ONTO VEHICLE TRANSPORT TRUCKS OR WHEN PARKING ON AN INCLINE. THE VEHICLE IS TILTED, CAUSING THE FUEL LEVEL SENSOR VALUE TO CHANGE WITHOUT THERE BEING A SPEED SIGNAL IN THE INSTRUMENT CLUSTER. AS A RESULT, THE INSTRUMENT CLUSTER PERCEIVES A REFUELING PROCESS. *PE
TSB-00-10-022011-02-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. AUDI: SOFTWARE VERSION MANAGEMENT (SVM) OPERATING INSTRUCTIONS. DETAILING THE GENERAL PROCESS FOR CARRYING OUT A SOFTWARE VERSION MANAGEMENT (SVM) SOFTWARE UPDATE FOR ANY TSB OR REQUIRED VEHICLE UPDATE (RVU). TROUBLESHOOTING INFORMATION IS INCLUDED. *PE
TSB-01-10-132011-02-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: MIL ON; ROUGH IDLE; ONE OR MORE OF THE FOLLOWING DTCS ARE STORED-DTC P0300 (RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED); DTC P0301-0312 (CYL. 1 MISFIRE DETECTED-CYL.12 MISFIRE DETECTED); ENGINE MAY HAVE REDUCED PERFORMANCE WITHOUT SIGNIFICANT LOSS OF POWER OR STALLING. *PE
TSB-01-10-092011-02-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: MIL ON; ROUGH IDLE, ONE OR MORE OF THE FOLLOWING DTCS ARE STORED-DTC P0300 RANDOM/MULTIPLE CYLINER MISFIRE DETECTED; DTC P0301-0312 (CYL. 1 MISFIRE DETECTED-CYL. 12 MISFIRE DETECTED); ENGINE MAY HAVE REDUCED PERFORMANCE WITHOUT SIGNIFICANT LOSS OF POWER OR STALLING. *PE
TSB-94-10-122011-01-10. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. AUDI: AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. HEADLIGHT TURNS ON OR OFF EARLY OR LATE WHEN THE LIGHT WITCH IS IN THE AUTO POSITION; AFTER REPLACING THE RAIN LIGHT SENSOR G397 OR AFTER REPLACING THE WINDSHIELD, THE AUTOMATIC HEADLIGHT MAY TURN OR OFF WITHOUT CHANGE OF AMBIENT BRIGHTNESS. HEADLIGHTS OPERATE NORMALLY IF THE LIGHT SWITCH IS IN THE ON OR OFF POSITION. *PE

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