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Service bulletins for the 2005 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.

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

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Bulletins, newest first
SB-94-09-202010-02-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. AUDI: THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI-XENON, WITH OR WITHOUT ADAPTIVE LIGHTING (AFS). ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. *PE
SB-20-09-072010-02-17. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:FILLING/CHARGING. AUDI: UNABLE TO FILL THE FUEL TANK BECAUSE THE FUEL PUMP NOZZLE SHUTS OFF PREMATURELY WHILE REFILLING THE FUEL TANK. THE CANISTER FILTER ELEMENT MAY BE PARTIALLY OR COMPLETELY CLOGGED BY PARTICLES. *PE
TSB-94-09-122009-10-31. Service bulletin. EXTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. AUDI: HEADLIGHT, LOW BEAM MAY NOT WORK. THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI XENON, WITH OR WITHOUT ADAPTIVE LIGHTING(AFS). ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. *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
TSB-94-09-142009-10-23. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; EXTERIOR LIGHTING:HEADLIGHTS. AUDI: THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI-XENON, WITH OR WITHOUT ADAPTIVE LIGHTING (AFS): ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. WHEN HEADLAMPS ARE TURNED OFF AND ON AGAIN OR AT IGNITION CYCLE, THE HEADLAMPS MAY FUNCTION PROPERLY OR EXHIBIT THE SAME BEHAVIOR; ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. *PE
TSB-24-08-762009-06-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. AUDI: MIL ON. MAY BE SLIGHT POWER REDUCTION AT HIGH RPMS. THIS CONDITION DOES NOT CAUSE STALLING. VACUUM LINE CRACKS. *PE
TSB-01-08-332009-05-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. AUDI: SOFTWARE VERSION MANAGEMENT(SVM) OPERATING INSTRUCTIONS. ITS A PROCESS TO UPDATE THE PROGRAMMING IN FLASHABLE (REPROGRAMMABLE) CONTROL MODULES AND/OR TO DOCUMENT CHANGES IN SOFTWARE LEVELS IN ALL AUDI VEHICLES. *PE
TSB-44-08-142009-02-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. AUDI: WHEEL BOLTS REQUIRE TORQUE ADJUSTMENT. TORQUE STICKS AND TORQUE EXTENSION BARS ARE NOT APPROVED BY AUDI OF AMERICA, INC. AND SHOULD NOT BE USED TO APPLY TORQUE TO WHEEL BOLTS. ALL AUDI MODELS INCLUDED. *PE
24-08-112008-09-29. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; 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. *PE
24-08-132008-09-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE. AUDI: RVU-ENGINE CONTROL MODULE UPDATE. *PE
94-08-112008-09-19. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. AUDI: HEADLIGHT VIBRATION, A4 AND A4 CABRIOLET. UNDER CERTAIN OPERATING CONDITIONS, SUCH AS AT IDLE, VIBRATIONS OR RESONANCES IN THE FRONT OF THE VEHICLE CAN CAUSE THE HEADLIGHTS TO VIBRARTE. *PE
15-08-052008-09-19. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. AUDI: MIL ON (DTC P2293, P0087 IN ECM). THE FOLLOWING DTC IS STORED IN THE ECM DATA MEMORY: P2293 (FUEL PRESSURE REGULATOR 2 PERFORMANCE); P0087 (RAIL FUEL PRESSURE TOO LOW); P1093 (FUEL TRIM 2, BANK 1 MALFUNCTION). *PE
00-08-052008-09-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. AUDI: RVU-SOFTWARE UPDATE FOR MULTITRONIC GEARBOX (IU). THIS RVU HAS BEEN PROACTIVELY RELEASED TO PREVENT THE FOLLOWING CONDITION FROM OCCURRING IN THE VEHICLE: SHUDDER DURING ACCELERATION. *PE
2012749-22008-09-03. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:BACK UP LIGHTS; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS. EXTERIOR LIGHTS, MOSITURE ACCUMULATION. *PE
94-07-082008-08-27. Service bulletin. EXTERIOR LIGHTING. THE BULB WARNING FOR THE DAYTIME RUNNING LIGHTS IN THE INSTRUMENT CLUSTER. *PE
2408122008-07-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MIL ON (DTC P310B AND/OR P129F) AND ONE OR MORE OF THE FOLLOWING DTCS ARE STORED IN THE ECM DATA MEMORY. *PE
24 08 132008-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). RVU - ENGINE CONTROL MODULE UPDATE (CH). *NJ
28 08 042008-05-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MIL ON, ENGINE SPEED SENSOR SPACER NOT REQUIRED (DTC P0300, P0335, P0336, P0321, P0322). *NJ
24 08 102008-05-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. MIL ON (DTC P0642, P2004, P2008, P3137, P3138 IN ECM). *NJ
24 08 112008-05-08. Service bulletin. FUEL SYSTEM, GASOLINE. MIL ON (DTC P310B, P129F, P2293, P0087). *NJ
15 08 012008-04-15. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. MIL ON (DTC P2293, P0087 IN ECM). *NJ
07182008-02-21. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. *NJ
07172008-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COLD ENGINE RUNS ROUGH OR STUMBLES; WARM ENGINE MAY STALL WHEN ENGAGING GEAR AND VEHICLE IS STATIONARY. *NJ UPDATED 4/15/07. *NJ
9106082007-10-10. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TIRE PRESSURE MONITORING SYSTEM WARNING LIGHT IS ON. NO SATELLITE RADIO FUNCTION WITH AUDI NAVIGATION PLUS. *NJ

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