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Service bulletins for the 2005 Audi A6

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.

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

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By component

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Bulletins, newest first
SAC-28F2-REV2011-03-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AUDI: GASOLINE ENGINE VEHICLES; INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. ADDED FINAL MAILING PHASE-8/10 VIN INFORMATION. MODELS A4/CABRIOLET; TT; A3; A8; A6; S4; ALLROAD; RS4; Q7; S6; S8. *PE
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-57-10-322011-02-16. Service bulletin. ELECTRICAL SYSTEM:IGNITION. AUDI: CENTRAL LOCKING LOCKS UP WHEN REMOVING IGNITION KEY FROM IGNITION LOCK. WHEN REMOVING THE IGNITION KEY FROM THE IGNITION, THE CUSTOMER MAY UNINTENTIONALLY OPERATE THE LOCK BUTTON OF THE REMOTE KEY. WITH THE S CONTACT IN THE IGNITION LOCK OFF, THE CENTRAL LOCKING RESPONDS TO SIGNALS FROM THE REMOTE KEY. *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-69-10-122011-02-15. Service bulletin. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE; AIR BAGS. AUDI: AIRBAG WARNING LIGHT ON, UPDATE FOR AIR BAG MODULE SOFTWARE. AIRBAG WARNING LIGHT ILLUMINATES DUE TO SPORADIC FAULT ENTRY. AIRBAG WARNING LIGHT ILLUMINATES DUE TO SPORADIC FAULT ENTRY. DTCS SPORADICALLY COULD BE PRESENT IN AIRBAG CONTROL MODULE: DTC 01211, 01212, 01213, 01638 AND 01639. THE REAR SEATBELT PRETENSIONER IGNITERS WILL CONTINUE TO FUNCTION AS DESIGNED IF DTCS ARE SET AS SPORADIC FAULTS. *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-20-10-072011-02-14. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. AUDI: FUEL GAUGE READS EMPTY AFTER REFUELING (DTCS 00438, 00771). DUE TO THE UNATTACHED SECTION OF CABLE IN THE AREA OF THE 2 PIN PLUG IN CONNECTIONS (INSIDE THE FUEL TANK) BETWEEN THE FLANGE OF THE ELECTRIC FUEL PUMP AND THE FUEL GAUGE SENSORS G OR G169, THERE ARE VIBRATIONS WHILE DRIVING. *PE
TSB-28F2-REV 72011-01-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION. AUDI: GASOLINE ENGINE VEHICLES INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. (ADDED PHASE 7-APRIL 10 VIN INFORMATION).MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE TO LET YOU KNOW VEHICLE MAY EXPERIENCE SOME DETERIORATION IN PERFORMANCE. SOME CASES, A MALFUNCTIONING IGNITION COIL MAY CAUSE VEHICLE TO EXCEED FEDERAL AND/OR CALIFORNIA EMISSIONS STANDARDS. *PE
TSB-28F22011-01-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AUDI: EMISSIONS SERVICE ACTION CIRCULAR. GASOLINE ENGINE VEHICLES INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE TO LET YOU KNOW THAT THE VEHICLE MAY EXPERIENCE SOME DETERIORATION IN PERFORMANCE. *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
TSB-28-10-042010-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. AUDI: FOR INTERIM CLAIMS FOR 28F2/J1 VEHICLES CAMPAIGN ONLY. APPLICABLE VEHICLES MUST FALL WITHIN VIN RANGES NOTED. ENGINES 2.8L ARE NOT AFFECTED IN THIS SCOPE. COILS OF SCREW DOWN DESIGN (NON PENCIL TYPE) ARE ALSO NOT AFFECTED. THE MIL IS FLASHING OR CONSTANTLY ILLUMINATED. DTCS FOR MISFIRE IN ONE OR MORE CYLINDERS ARE STORED IN THE ECM DATA MEMORY (P0300 TO 0312). *PE
TSB-24-10-022010-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER. AUDI: MIL ON AND ONE OR MORE OF THE FOLLOWING DTCS ARE STORED IN THE ECM DATA MEMORY-P310B (LOW PRESSURE FUEL SYSTEM REGULATION, FUEL PRESSURE OUTSIDE TOLERANCE); P129F OR P008B (LOW PRESSURE FUEL SYSTEM, PRESSURE TOO HIGH); P129E OR P008A (LOW PRESSURE SYSTEM, PRESSURE TOO LOW); P2540 (LOW PRESSURE FUEL SYSTEM, PRESSURE OUT OF RANGE); P0087 (RAIL FUEL PRESSURE SYSTEM, PRESSURE TOO LOW). MODELS A3,4,6,8, S6,8, RS4, Q7, AND TT (2005-2008). *PE
TSB-20-09-082010-07-26. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. AUDI: FUEL GAUGE READS EMPTY AFTER REFUELING (DTCS 00438, 00771). DUE TO THE UNATTACHED SECTION OF CABLE IN THE AREA OF THE 2 PIN PLUG IN CONNECTIONS (INSIDE THE FUEL TANK) BETWEEN THE FLANGE OF THE ELECTRIC FUEL PUMP AND THE FUEL GAUGE SENSORS G OR G169, THERE ARE VIBRATIONS WHILE DRIVING. *PE
SA-28F2 J12010-07-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AUDI: (REVISED) VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. IF THIS HAPPENS, THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE TO LET YOU KNOW THAT THE VEHICLE MAY EXPERIENCE SOME DETERIORATION IN PERFORMANCE. IN SOME CASES, A MALFUNCTIONING IGNITION COIL MAY CAUSE A VEHICLE TO EXCEED FEDERAL AND/OR CALIFORNIA EMISSIONS STANDARDS. *PE UPDATED 8/9/10. *PE UPDATED 8/11/10. *PE UPDATED 11/8/10. *PE UPDATED 11/10/10. *PE UPDATED 1/10/11. *PE
TSB-24-10-012010-06-25. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. AUDI: DUE TO FUEL INTRUSION INTO THE LOW PRESSURE SYSTEM FUEL PRESSURE SENSOR (G410), A FALSE SIGNAL MAY BE SENT TO THE CONTROLLER, RESULTING IN A READING THAT IS OUT OF TOLERANCE. COMPARING MEASURE VALUE BLOCK 103 WITH 106 IS NOT AN ACCURATE METHOD TO DIAGNOSE LOW SIDE FUEL PRESSURE SENSOR G410. *PE
TSB-24-07-202010-05-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: COLD ENGINE RUNS ROUGH OR STUMBLES; WARM ENGINE MAY STALL WHEN ENGAGING GEAR AND VEHICLE IS STATIONARY. ENGINE MAY IDLE ROUGH AFTER A COLD START; ENGINE MAY STUMBLE OR HESITATE AT SLOW INITIAL ACCELERATION AFTER A COLD START AND UNDER CERTAIN WEATHER CONDITIONS. ENGINE MAY ATTEMPT TO STALL AT IDLE WHEN TRANSMISSION IS SHIFTED FROM NEUTRAL OR PARK TO DRIVE OR REVERSE WHEN COOLANT TEMPERATURE IS ABOVE 176% (80%) AND THE VEHICLE IS STATIONARY. NO DIAGNOSTIC TROUBLE CODES (DTC) ARE ASSOCIATED WITH THIS CONDITION. *PE
TSB-37-07-162010-05-24. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION. AUDI: THE IGNITION KEY CAN'T BE REMOVED WHEN TRANSMISSION IS IN PARK OR CAN'T LOCK VEHICLE. IF EQUIPPED WITH ADVANCED KEY SYSTEM THE VEHICLE CAN'T BE LOCKED BY REMOTE CONTROL AFTER EXITING. *PE
TSB-01-09-062010-03-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. AUDI: SOFTWARE VERSION MANAGEMENT (SVM), OPERATING INSTRUCTIONS. SVM IS A PROCESS TO UPDATE THE PROGRAMMING IN FLASHABLE (RE-PROGRAMMABLE) CONTROL MODULES AND/OR TO DOCUMENT CHANGES IN SOFTWARE LEVELS IN AUDI VEHICLES. THIS SYSTEM USES THE VAS 5051B OR VAS 5052 DIAGNOSTIC TOOLS TO SEND VEHICLE SPECIFIC DATA TO THE SVM DATABASE, TO DOWNLOAD INSTRUCTIONS FROM THE SVM DATABASE, AND TO FLASH CONTROL UNITS FOR IDENTIFIED SOFTWARE UPDATES. *PE
TSB-94-07-182010-02-25. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. AUDI: AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. AUTOMATIC HEADLIGHT SWITCHES ON TOO EARLY OR TOO LATE, SWITCHES OFF TOO LATE OR COMES ON TOO LATE WHEN THE SUN SHINES BRIGHTLY. AFTER REPLACING THE RAIN LIGHT SENSOR OR AFTER REPLACING THE WINDSHIELD, THE AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. HEADLIGHT CAN STILL BE OPERATED MANUALLY. POSSIBLE CAUSES COULD BE WINDOW DAMAGED/DIRTY IN SENSOR AREA; WHEN WINDOW WAS REPAIRED THE SENSOR WAS FITTED WITHOUT ADHESIVE PAD; AND SENSOR CODE FOR WINDOW IS WRONG; WRONG WINDSHIELD WAS INSTALLED; OR WIRING (PLUG/CONTACT LOOSE) DAMAGED. *PE
TSB-94-07-152010-02-25. Service bulletin. EXTERIOR LIGHTING. AUDIO: EXTERIOR LIGHTS, MOISTURE ACCUMULATION. CONDENSATION IS VISIBLE ON THE INSIDE OF HEADLIGHTS, TAILLIGHTS, FOG LIGHTS, SIDE MARKER LIGHTS, FRONT TURN SIGNAL OR THIRD BRAKE LIGHT LENS. DAMP AIR SETTLES ON THE INSIDE OF A COLD LENS, WHICH CREATES CONDENSATION. *PE
TSB-69-07-072010-02-25. Service bulletin. SEAT BELTS:REAR/OTHER; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. AUDI: AIRBAG WARNING LIGHT ON, UPDATE FOR AIRBAG MODULE SOFTWARE. AIRBAG WARNING LIGHT ILLUMINATES DUE TO SPORADIC FAULT ENTRY. THE REAR SEAT BELT PRETENSIONER IGNITERS WILL CONTINUE TO FUNCTION AS DESIGNED IF DTCS ARE SET AS SPORADIC FAULTS. IMPROVE SOFTWARE FOR AIRBAG CONTROL MODULE INTRODUCED. SPORADICALLY DTCS CODE 01211, 01212, 01213, 01638, AND 01639. *PE
TSB-28-09-052009-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: MIL ON, ENGINE SPEED SENSOR SPACER NOT REQUIRED (DTC P0300, P0335, P0336, P0321, P0322). MULTIPLE MISFIRES DETECTED ON ONE OR MORE CYLINDERS; MALFUNCTION INDICATOR LIGHT (MIL) MAY BE ON OR FLASHING. *PE
KM-13792009-10-23. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ELECTRICAL SYSTEM:WIRING; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. AUDI: MIL LIGHT ON AND DTC P2294 (FUEL PRESSURE REGULATOR 2 CONTROL CIRCUIT), P2295 (FUEL PRESSURE REGULATOR 2 CONTROL CIRCUIT LOW), P2296 (FUEL PRESSURE REGULATOR 2 CONTROL CIRCUIT HIGH) IN FAULT MEMORY DRIVABILITY IS NOT AFFECTED. WIRING HARNESS TO HIGH PRESSURE PUMP MIGHT BE STRESSED AND TIGHTLY BENT AT THE PUMP CONNECTOR. THE HARNESS ALSO MIGHT BE BENT AROUND SHARP EDGES OF CYLINDER HEAD. NO MODELS LISTED. *PE
KM-13742009-10-23. Service bulletin. STEERING; STEERING:COLUMN. AUDI: STEERING TOO STIFF AT LOW SPEEDS OR NO POWER ASSIST. THE SERVOTRONIC SYSTEM ON THE C6 IS DIFFERENT FROM PREVIOUS MODELS. THE SERVOTRONIC FUNCTION IS CONTROLLED BY J520 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE. *PE
TB-97-09-012009-08-05. Service bulletin. STEERING. AUDI: AFTER ENGINE START, THE STEERING IS STIFFER THAN IT USED TO BE AND/OR THAT THE GLOVE COMPARTMENT CANNOT BE OPENED. THIS CONDITION IS ALSO PRESENT IN THE NEXT DRIVING CYCLE. *PE

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