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Service bulletins for the 2004 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.

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

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Bulletins, newest first
TSB-38-09-012010-03-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); STEERING:GEAR BOX (OTHER THAN RACK AND PINION). AUDI: VEHICLE WILL NOT MOVE IN ANY GEAR. ATF PUMP BORDER BUSHING MAY FAIL AND CAUSE A LOSS OF OIL PRESSURE. THE ATF PUMP IS INCORPORATED IN THE VALVE BODY. THE PUMP IS NOT A SERVICEABLE PART. IMPROVED ATF PUMP INCORPORATED IN THE VALVE BODY FROM 1/04 VEHICLE PRODUCTION. *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-17-07-122010-02-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. AUDI: ENGINE OIL PRESSURE IS BELOW SPECIFIED VALUE. OIL PRESSURE WARNING LIGHT MIGHT BE ILLUMINATED OR ILLUMINATED INTERMITTENTLY. REPAIRS INCLUDE REPLACING THE OIL PUMP MODULE. *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-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
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
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
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
17 08 032008-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL PRESSURE TOO LOW - ENGINE FLUSH. *NJ UPDATED 4/30/08. *NJ
9407112007-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. HEADLIGHT RANGE CONTROL WARNING LIGHT ON. HEADLIGHTS ARE FUNCTIONING PROPERLY. *KB
9407102007-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DYNAMIC HEADLIGHT RANGE CONTROL, WARNING LIGHT IS ON IN THE INSTRUMENT PANEL CENTER DISPLAY. *KB
3707102007-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. MIL ON, AND/OR MULTITRONIC TRANSMISSION IN EMERGENCY RUNNING MODE (DTC P0706 OR P1793 IN TCM). *KB
200365822007-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSES POWER OR WILL NOT MOVE AFTER STOP. *KB
200562432007-07-06. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER. *KB
3807042007-06-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLE WILL NOT MOVE IN ANY GEAR. *KB
20128332007-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL PRESSURE TOO LOW - ENGINE FLUSH. *KB
3807022007-04-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SHUDDERS WHEN ACCELERATING AT 10 TO 50% THROTTLE FROM A STATIONARY POSITION, SOMETIMES WITH FLUCUATING ENGINE SPEED. *KB
06042007-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL SLUDGE LIMITED WARRANTY EXTENSION. *KB
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
05072005-12-22. Service bulletin. ENGINE AND ENGINE COOLING. SPORADICALLY AFTER COLD START, ENGINE MAY RUN SLIGHTLY ROUGH FOR A FEW SECONDS AND THE MALFUNCTION INDICATOR LAMP MAY ILLUMINATE WITH ONLY MISFIRE DIAGNOSTIC TROUBLE CODES (DTC) (P0300, P0301, P0302, P0303, P0304) STORED IN DTC MEMORY. *TT
05012005-12-19. Service bulletin. ELECTRICAL SYSTEM. LIGHT SENSOR WARNING LIGHT ON INTERMITTENTLY AND CUSTOMER CONCERN ABOUT AUTOMATIC HEADLIGHT INSTRUMENT CLUSTER WARNING LIGHT ILLUMINATING FOR 1 SECOND ACCOMPANIED WITH A SHORT BEEP. *TT
05262005-12-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTHORIZATION REQUIREMENTS FOR AUTOMATIC TRANSMISSIONS. *TT
05042005-09-22. Service bulletin. AIR BAGS. AIRBAG LAMP ON, UPPER LIMIT OF SIDE AIRBAG EXCEEDED. TO INCLUDE A4 2006. *TT
04312005-09-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPAIRS OF OIL SLUDGE RELATED PROBLEMS. *TT

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