2004 Audi A4Service bulletins
2004 Audi A4 Technical Service Bulletins
163 technical service bulletins (TSBs) are on record for the 2004 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.
- 10068822Jun 19, 2013Equipment. Summary to be provided on a future date.
- 10210650May 29, 2013Brakes. This condition may be caused when the brake pedal and the accelerator pedal are depressed simultaneously. Drivers who consciously or unconsciously drive with their left foot resting on the brake pedal are prone to experience this condition. With the introduction of Electronic Power Control (EPC) (no accelerator cable) to fuel injection systems, an engine RPM control feature has been incorporated into the engine…
- 10052307May 29, 2013Vehicle speed control. Audi: some vehicles may lack power or will not move after stop due to simultaneously depressing the brake and accelerator pedals.
- 10123901Apr 1, 2013Equipment. Supersedes Technical Service Bulletin Group 00 number 11-19 dated April 8, 2011. This TSB contains information on technician preparation when calling the Audi Technical Assistance Center
- 10123882Mar 25, 2013Engine cooling. Supersedes Technical Service Bulletin Group 19 number 11-19 dated February 10, 2011. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
- 10123863Mar 4, 2013Electrical system, Latches, locks and linkages. Supersedes Technical Service Bulletin Group 57 number 13-82 dated February 5, 2013. Central locking via remote control does not work either sporadically or permanently. The locks can still be operated manually. Missing synchronization between the remote control key and vehicle because the battery has been disconnected or the battery of the remote control has been replaced.
- 10123995Feb 5, 2013Equipment, Latches, locks and linkages. Supersedes Technical Service Bulletin Group 57 number 11-55 dated August 22, 2011. Central locking via remote control does not work either sporadically or permanently. The locks can still be operated manually. Missing synchronization between the remote control key and vehicle because the battery has been disconnected or the battery of the remote control has been replaced.
- 10244036Jan 14, 2013Other or unknown. 2004 Scheduled Maintenance Intervals
- 10216682Jan 9, 2013Engine cooling. Engine oils that meet Audi Oil Quality Standards.
- 10122766Oct 24, 2012Exterior lighting. Supersedes Technical Service Bulletin Group 94 number 11-52 dated October 11, 2011. Condensation is visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, or third brake light lens. Damp air settles on the inside of a cold lens, which creates condensation. The headlight circulation system allows air from the outside to flow through the headlights.
- 10122799Oct 12, 2012Engine. Supersedes Technical Service Bulletin Group 17 number 12 - 31 dated August 30, 2012. Oil consumption measurement - Repair Authorization (CA). In order to provide effective lubrication and cooling of internal engine components, all internal combustion engines consume a certain amount of engine oil. Oil consumption varies from engine to engine and may change significantly over the life of the engine.
- 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.
- 10250430Aug 30, 2012Engine cooling. Oil consumption measurement - Repair Authorization (CA)
- 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.
- 10038249Jan 25, 2011Engine cooling. Audi: there is a ticking noise from the engine area which may be caused by wear in the camshaft.
- 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.
- 10036497Aug 1, 2010Engine cooling. 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.
- 10033212May 1, 2010Electrical system, Engine cooling. 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…
- 10034846Apr 1, 2010Electrical system. 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…
- 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.
- 10034345Feb 8, 2010Electrical system. 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).
- 10034845Jan 26, 2010Engine cooling, Electrical system. 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.
- 10032412Jun 15, 2009Steering, Transmission and drivetrain. 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.
- 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.
- 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.
- 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.
- 10024722Mar 19, 2008Engine cooling. Mil on, engine speed sensor spacer not required (dtc p0300, p0335, p0336, p0321, p0322).
- 10024407Mar 11, 2008Engine cooling. Engine oil pressure too low - engine flush. *nj updated 4/30/08.
- 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.
- 10032264Oct 19, 2007Other or unknown, Equipment. 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.
- 10022458Jul 16, 2007Electrical system. Headlight range control warning light on. Headlights are functioning properly.
- 10022457Jul 13, 2007Electrical system. Dynamic headlight range control, warning light is on in the instrument panel center display.
- 10022453Jun 22, 2007Transmission and drivetrain. Mil on, and/or multitronic transmission in emergency running mode (dtc p0706 or p1793 in tcm).
- 10021953May 30, 2007Transmission and drivetrain. Vehicle will not move in any gear.
- 10021439May 17, 2007Engine cooling. Engine oil pressure too low - engine flush.
- 10025703Feb 26, 2007Exterior lighting. Exterior lights, mositure accumulation.
- 10022142Feb 26, 2007Engine cooling. Loses power or will not move after stop.
- 10022141Feb 26, 2007Exterior lighting. Headlight aiming, using hella universal beamsetter.
- 10021314Jan 9, 2007Engine cooling. Shudders when accelerating at 10 to 50% throttle from a stationary position, sometimes with flucuating engine speed.
- 10020721Apr 7, 2006Engine cooling. Oil sludge limited warranty extension.
- 10019108Jan 27, 2006Transmission and drivetrain. Vehicle shudders when accelerating at 10 to 50% throttle from a stationary position, sometimes with fluctuating engine speed.
- 10018427Nov 21, 2005Engine 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.
- 10011581Nov 21, 2005Engine cooling. Update programming engine control module flashing to correct evap purge valve dtc p0441 in the audi 2004 cabriolet .
- 10018223Nov 16, 2005Electrical 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.
- 10018221Nov 16, 2005Transmission and drivetrain. Authorization requirements for automatic transmissions.
- 10011573Oct 20, 2005Transmission and drivetrain. Transmission shudders prior to coming to a stop.
- 10016508Aug 11, 2005Engine cooling. Repairs of oil sludge related problems.
← All problems reported for the 2004 Audi A4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.