2008 Audi A4 Technical Service Bulletins

451 technical service bulletins (TSBs) are on record for the 2008 Audi A4. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10122771Oct 4, 2012Electrical system, Equipment. Supersedes Technical Service Bulletin Group 91 number 11 ? 83 dated April 15, 2011. The customer may report that the illumination of the dash insert, the air conditioning control panel or the inside light flickers when briefly pressing the accelerator in P or N or when shifting down while driving downhill. Only vehicles with PR number 8GH may be affected.
• 10250453Oct 3, 2012Electrical system, Transmission and drivetrain. TCM software update for downshift concerns
• 10122793Oct 3, 2012Transmission and drivetrain, Electrical system. Supersedes Technical Service Bulletin Group 37 number 11 ? 31 dated December 1, 2011. Customer may report downshifts not smooth when slowing the vehicle. Improved software introduced after production that reduces complaints with shifting characteristics. Improved viscosity of ATF lessens clutch grab during clutch activation. Optimized ATF (blue) introduced gradually in production years 2005 and 2006.
• 10063871Oct 3, 2012Electrical system, Transmission and drivetrain. Summary to be provided on a future date.
• 10122772Oct 1, 2012Back-over prevention (rear camera). Supersedes Technical Service Bulletin Group 91 number 10 - 60 dated September 28, 2010. Parking aid sporadically warns of obstacles when none exist. Parking aid is inoperative or provides constant warning. Various parking aid sensor fitting issues. Environmental conditions.
• 10250430Aug 30, 2012Engine cooling. Oil consumption measurement - Repair Authorization (CA)
• 10043872Mar 16, 2012Engine cooling. 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.
• 10042991Mar 16, 2012Fuel system. 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.
• 10043928Mar 9, 2012Engine cooling. Audi: imrc (intake manifold rc) motor warranty extension.
• 10043920Mar 9, 2012Fuel system. 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.
• 10044087Mar 6, 2012Fuel system. Audi: on some vehicles, the fuel pressure sensor, imrc motor, or pressure valve may fail on tfsi engines, manufactured within specific period.
• 10043525Jan 12, 2012Electrical system, Engine cooling. 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.
• 10043316Dec 9, 2011Transmission and drivetrain. Audi: when pressing firmly on clutch pedal, certain model year vehicles may or may start.
• 10043026Dec 1, 2011Engine cooling. 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.
• 10038255Jan 21, 2011Engine cooling. Audi: transmission problems resulting in a delayed engagement when cold or no drive on first engagement.
• 10037816Dec 20, 2010Engine cooling. Volkswagen: malfunction light is on with misfire codes. There is a software update.
• 10036468Dec 8, 2010Engine cooling. 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).
• 10037825Dec 3, 2010Equipment. Volkswagen: warranty extension for the headlight bulbs.
• 10035345Oct 20, 2010Exterior lighting. 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.
• 10035249Sep 1, 2010Engine cooling. 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.
• 10035273Aug 25, 2010Fuel 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…
• 10035248Jun 1, 2010Engine cooling. 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.
• 10034746May 5, 2010Exterior lighting. 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.
• 10035268Mar 24, 2010Electrical system. 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.
• 10034344Jan 29, 2010Engine cooling, Fuel system, Other or unknown. 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…
• 10033025Jan 12, 2010Fuel system. 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.
• 10033327Dec 1, 2009Engine cooling. Audi: engine stalls or idles erratically immediately after cold start in extremely cold weather (below 20%f).
• 10033334Oct 6, 2009Exterior lighting. Audi: xenon headlight flickers or is inoperative on one side (dtc 00978 or 00979). Xenon on one side flickers or is inoperative intermittently or permanently); xenon bulbs were manufactured by philips; dtc 00979 (right low beam headlight m31 electrical fault in circuit); dtc 00978 (left low beam headlight m29 electrical fault in circuit).
• 10032191Aug 4, 2009Exterior lighting. 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.
• 10030593Jun 30, 2009Electrical system, Fuel system. 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.
• 10030587May 19, 2009Exterior lighting. 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.
• 10030630May 14, 2009Exterior lighting. 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.
• 10032290May 13, 2009Electrical system. 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…
• 10030629May 12, 2009Engine cooling. 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.
• 10030393May 1, 2009Electrical system. Audi: software update to suspension control and add sunroof torx tool.
• 10028768Dec 15, 2008Electrical system. 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.
• 10029108Dec 3, 2008Engine cooling. Audi: mil on. May be slight power reduction at high rpms. This condition does not cause stalling. Vacuum line cracks.
• 10027923Nov 19, 2008Wheels. 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.
• 10028247Nov 1, 2008Engine cooling. Audi: 01 mil on, engine sporadically runs rough. This condition will not cause stalling.
• 10025967Jun 25, 2008Exterior lighting. 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.
• 10024722Mar 19, 2008Engine cooling. Mil on, engine speed sensor spacer not required (dtc p0300, p0335, p0336, p0321, p0322).
• 10026090Mar 3, 2008Fuel system. 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.
• 10025161Mar 3, 2008Engine cooling. Mil on (dtc p310b and/or p129f) and one or more of the following dtcs are stored in the ecm data memory.
• 10024697Mar 3, 2008Fuel system. Mil on (dtc p310b, p129f, p2293, p0087).
• 10032251Nov 29, 2007Exterior lighting. 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.
• 10023949Nov 29, 2007Exterior lighting. Automatic headlight switches on and off without reason.
• 10025622Jun 29, 2007Exterior lighting. The bulb warning for the daytime running lights in the instrument cluster.
• 10022456Jun 29, 2007Exterior lighting. At an idle, vibrations or resonance in the front of the vehicle can cause the headlights to vibrate.
• 10025703Feb 26, 2007Exterior lighting. Exterior lights, mositure accumulation.
• 10022142Feb 26, 2007Engine cooling. Loses power or will not move after stop.

← All problems reported for the 2008 Audi A4