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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.

By type

By component

By trouble code

Bulletins, newest first
06012006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CONTROL HOUSING FOR CAMSHAFT ADJUSTER, ENSURING SHIM WASHER INSTALLATION WHEN REPAIRING. *TT
06012006-02-13. Service bulletin. POWER TRAIN. VEHICLE SHUDDERS WHEN ACCELERATING AT 10 TO 50% THROTTLE FROM A STATIONARY POSITION, SOMETIMES WITH FLUCTUATING ENGINE SPEED. *TT
05012006-01-25. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. ENGINE DOES NOT START/INTERMITTENT NO START USING ADVANCE KEY START BUTTON, STARTS W/KEY & IGNITION SWITCH. *AK
05072006-01-17. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. ADAPTIVE LIGHTING, HEADLIGHT RANGE CONTROL WARNING IS ON IN DRIVER INFORMATION DISPLAY. *TT
05052005-12-22. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. DIAGNOSTIC TROUBLE CODE (DTC) P2106 (18538) THROTTLE ACTUATOR CONTROL SYSTEM - FORCED LIMITED POWER MAY BE PRESENT. *TT
05052005-12-19. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE STUMBLES AFTER COLD START / WARM ENGINE MAY ATTEMPT TO STALL IN IDLE WHEN ENGAGING GEAR WITH VEHICLE STATIONARY. *TT
05042005-12-19. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. SUNROOF HEADLINER/GLASS ROOF JAMMED/NOT MOVING, SUNROOF NOT OPENING/CLOSING CORRECTLY. *TT
04022005-12-19. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAKS FROM UPPER ENGINE AREAS, DIAGNOSTIC GUIDELINES. *TT
05052005-11-30. Service bulletin. ENGINE AND ENGINE COOLING. COOLANT LEAKAGE AROUND AUXILIARY COOLANT PUMP. COOLANT LIGHT MAY BE ILLUMINATED. *TT
8705032005-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WHINING, HOWLING NOISES FROM ENGINE COMPARTMENT. *TT
05012005-09-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. OIL LEAK FROM UPPER TIMING CHAIN COVER(S). *TT
05032005-09-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION KEY CANNOT BE REMOVED W/ TRANSMISSION IN PARK OR CANNOT LOCK VEHICLES W/ ADVANCED KEY SYSTEM. *TT
05032005-09-19. Service bulletin. FUEL SYSTEM, OTHER. FUEL GAUGE DOES NOT GO TO FULL AFTER FILLING UP. WHEN THE FUEL TANK HAS BEEN FILLED, THE FUEL GAUGE NEEDLE REGISTERS EMPTY, STAYS IN THE RESERVE SECTION, OR SLOWING GOES TO FULL. *TT
05012005-08-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY TESTING, CHARGING W/ MIDTRONICS MCR340V BATTERY ANALYZER OR INCHARGE 940 (INC-940) CHARGING STATION. *TT
1905042005-07-29. Service bulletin. ENGINE AND ENGINE COOLING. THE COOLANT RESERVOIR IS DIAGNOSED TO BE LEAKING AND INTENDED TO BE REPLACED. *TT
6805012005-07-29. Service bulletin. LATCHES/LOCKS/LINKAGES. RELEASE COVER FOR FRONT ARMREST FAILS, CAN NOT OPEN STORAGE COMPARTMENT IN ARMREST. *TT
05012005-07-29. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. FUEL DOOR DOES NOT FUNCTION (CAN NOT BE OPENED OR CLOSED). *TT UPDATE. *TT
05092005-07-15. Service bulletin. ELECTRICAL SYSTEM. MULTI MEDIA INTERFACE (MMI), AUDIO, AND BATTERY CONCERNS. UPDATE. *TT
05022005-05-19. Service bulletin. ENGINE AND ENGINE COOLING. FUEL INJECTORS UNNECESSARY REPLACEMENT. *EH
05012005-05-19. Service bulletin. ENGINE AND ENGINE COOLING. SECONDARY AIR INJECTION (AIR) PUMP MOTOR -V101- IS NOISY. *TT
05012005-05-19. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. UPDATE. *TT
9105012005-03-15. Service bulletin. EQUIPMENT:ELECTRICAL. SATELLITE RADIO -R146-, INTERFERENCE WITH TIRE PRESSURE MONITORING SYSTEM OR AUDI NAVIGATION PLUS. *TT
2405012005-03-15. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. *TT
04062005-02-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. COOLANT LEAK AT OIL COOLER HOSES. *TT
04122005-01-27. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. READINESS CODE CANNOT BE SET USING GUIDED FAULT FINDING. *TC

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