2003 Audi A4 Technical Service Bulletins

150 technical service bulletins (TSBs) are on record for the 2003 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.

• 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.
• 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…
• 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.
• 10026742Aug 5, 2008Engine cooling. Audi service campaign: see document search button for owner letter. Internal engine damage resulting from a broken timing belt. If timing belt of vehicle were to break, the engine will not run and may sustain serious internal damage. Csc letter was received.
• 10026544Aug 5, 2008Engine cooling. Audi: the internal engine damage resulting from a broken timing belt. If the timing belt of vehicle were to break, the engine will not run and may sustain serious internal damage.
• 10026284Jul 1, 2008Engine cooling. Audi service campaign: see document search button for owner letter. Csc letter was received for audi model years 2000-2003 a4 and tt. Revised maintenance instructions and a warranty extension covering certain timing belt tensioner system related repairs.
• 10024407Mar 11, 2008Engine cooling. Engine oil pressure too low - engine flush. *nj updated 4/30/08.
• 10025081Mar 5, 2008Engine cooling. Engine coolant temperature sensor warranty extension for certain 2001-2004 model year audi vehicles.
• 10025301Feb 11, 2008Engine cooling. Audi service campaign: see document search button for owner letter. Engine coolant temperature sensor warranty extension for certain 2001-2004 audi model year vehicles. Csc was received
• 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.
• 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.
• 10020793Sep 1, 2006Electrical system. Ignition coils may fail causing a rough idle or reduced driving power could occur.
• 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 .
• 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.
• 10015982Jul 26, 2005Engine cooling. Engine oil specifications, oil capacity, oil filter. To include audi 24 2006.
• 10015583May 16, 2005Engine cooling. The coolant reservoir is diagnosed to be leaking and intended to be replaced.
• 10015098Apr 12, 2005Fuel system. Fuel injectors, unnecessary replacement. Update.
• 10015102Apr 11, 2005Engine cooling. Fuel injectors unnecessary replacement.
• 10015100Apr 11, 2005Engine cooling. Fuel injectors unnecessary replacement.
• 10015099Apr 8, 2005Engine cooling. Coolant leak or on heat in passenger compartment.
• 10016565Mar 31, 2005Air bags. Airbag lamp on, upper limit of side airbag exceeded. To include a4 2006.
• 10012766Feb 15, 2005Fuel system. Fuel injectors, unnecessary replacement.
• 10012767Feb 3, 2005Steering. Power steering, noisy. To include 2006 models.
• 10011880Dec 13, 2004Engine cooling. Coolant leak at oil cooler hoses.
• 10011888Nov 12, 2004Engine cooling. Engine wire harness, heat insulation installation (ia). 2004 audi cabriolet also included.
• 10011889Oct 8, 2004Engine cooling. Front oxygen sensor bank1 and engine wiring engine. Also includes audi cabriolet 2004.

← All problems reported for the 2003 Audi A4