2009 Audi A4 Technical Service Bulletins

775 technical service bulletins (TSBs) are on record for the 2009 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.

• 10125561Feb 27, 2014Equipment. Supersedes Technical Service Bulletin Group 87 number 12-27 dated April 24, 2012. There is an unpleasant, musty odor coming from the heating and ventilation system. The odor usually occurs when the vehicle has been sitting unused for five hours or more. The odor usually occurs within 20 to 60 seconds after the vehicle is started. Condensation, which is a normal condition in all A/C systems, can cause a musty odor.
• 10125559Feb 26, 2014Seats. The panel on the back of the front seat is warped or dented. The headrest on the rear seatback may also be damaged. The damage is caused when the headrest of the rear seat backrest comes in contact with the back of the front seat. This occurs when the rear seat is folded down with the headrests installed, and the front seat is moved back far enough to make contact with the rear seat headrest.
• 10250990Feb 25, 2014Brakes. Squealing from front brakes (PR-1LA or 1LB)
• 10125550Feb 25, 2014Brakes. Supersedes Technical Service Bulletin Group 46 number 13-62 dated November 21, 2013. Brakes on vehicles produced before September 3, 2012 (calendar week 36 of 2012), squeak or squeal when used with light to moderate force.
• 10231120Feb 24, 2014Equipment. Diagnostics and updates
• 10125560Feb 24, 2014Electrical system, Engine cooling. Supersedes Technical Service Bulletin Group 85 number 13-17 dated May 15, 2013. DTCs may be stored in the heating and air conditioning electronics control module (address word 08). Improper operation of the fresh air blower could be caused by a faulty printed circuit board in the fresh air blower control module and/or the carbon brushes bind in the brush holder and, as a consequence, lose contact with the motor…
• 10228292Feb 20, 2014Engine cooling. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
• 10224971Feb 20, 2014Engine cooling. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
• 10221944Feb 20, 2014Engine cooling. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
• 10125536Feb 20, 2014Electrical system. Supersedes Technical Service Bulletin Group 00 number 12-34 dated June 6, 2012. The process of draining oil through the drain plug is not always tidy. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
• 10251003Feb 13, 2014Suspension. Rattling or knocking noise from front end when driving over bumps.
• 10250663Feb 13, 2014Suspension. Rattling or knocking noise from front end when driving over bumps
• 10125545Feb 13, 2014Equipment. Supersedes Technical Service Bulletin Group 40 number 13-37 dated December 3, 2013. A rattling or knocking noise is heard when the car is driven over bumps or uneven road surfaces. This noise is heard after the car has been driven for a while and is warmed up, and when the temperature outside is warm. This condition can be duplicated if the brakes are applied while the car is being driven over bumpy roads. This…
• 10251030Feb 11, 2014Brakes. ABS warning light on with additional warning lights on (EPB / TPMS / EPC / MIL) - wire harness damage
• 10231118Feb 11, 2014Equipment. Windows XP- End of Support (EOS) and new VAS diagnostic services
• 10125535Feb 11, 2014Steering, Electrical system. Supersedes Technical Service Bulletin Group 45 number 13-07 dated September 25, 2013. Steering wheel does not lock. Various warning lights are on. Steering feels stiffer than usual. The engine cannot be switched off. The ignition key cannot be removed. There are DTC entries present in the system (either static or sporadic). DTCs with description ?Brake control module - no signal/communication? are present in…
• 10054858Feb 11, 2014Brakes. Audi: due to damage abs wheel speed sensor during production, some vehicles may experience steering wheel not locking, ignition key cannot be removed, and other various issues. Model 2009-2014 a4/s4, a5/s5, a5/s5 cab, q5. *pe updated 05/21/2014
• 10228393Jan 31, 2014Electrical system. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
• 10225072Jan 31, 2014Electrical system. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
• 10222045Jan 31, 2014Electrical system, Engine cooling. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
• 10122184Jan 31, 2014Electrical system, Engine. Supersedes Technical Service Bulletin Group 01 number 13-86 dated April 15, 2013. The MIL is on. There is a rough idle. DTCs are stored in the ECM. Engine may have reduced performance without significant loss of power or stalling. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis…
• 10065427Jan 31, 2014Electrical system. Summary to be provided on a future date.
• 10054979Jan 31, 2014Engine. Audi: the engine would have a rough idle, different misfire faults or reduced performance without loss of power or stalling, that causes the malfunction indicator lamp (mil) on. Model 2008-2015 a3, a4, allroad, tt, a5, a5 cabriolet, q5, a6.
• 10122194Jan 29, 2014Steering, Wheels. Supersedes Technical Service Bulletin Group 48 number 13-47 dated August 2, 2013. Customer may report hearing creaking or squeaking noise from the steering column when steering slowly (the noise can be duplicated while the vehicle is stationary if the steering wheel is turned slowly). The noise may get louder at higher temperatures or when the vehicle is driven for a longer period of time. The noise comes from the…
• 10122204Jan 24, 2014Equipment. Supersedes Technical Service Bulletin Group 91 number 09-30 dated April 14, 2009. The Audi MMI system will not play audio files from an SD card. The MMI system does not recognize the audio files on the SD card. The MMI system reports that the audio files on the SD card are damaged. The audio files on the SD card will play on one Audi vehicle, but will not play on a different Audi vehicle.
• 10122206Jan 23, 2014Electrical system, Exterior lighting. Supersedes Technical Service Bulletin Group 94 number 13-19 dated May 23, 2013. The light bulb warning light is displayed in the instrument cluster with the ?Vehicle lights: malfunction? message. DTCs are stored in the vehicle electrical system control module. Exterior lights are functioning properly. If the headlight switch is moved to an intermediate position and remains there, the light bulb warning light and…
• 10122195Jan 21, 2014Electrical system. Supersedes Technical Service Bulletin Group 57 number 11-52 dated August 17, 2011. The exterior door handle touch sensors (Audi advanced key) are inoperative on one or several doors. The key blade can be used to lock or unlock the vehicle mechanically, and the key remote buttons can be used to lock or unlock the vehicle electronically. DTCs may be stored in the access and start authorization control module.
• 10231122Jan 20, 2014Equipment. Technical bulletins and updates
• 10122205Jan 16, 2014Electrical system, Exterior lighting. Supersedes Technical Service Bulletin Group 94 number 10-19 dated June 7, 2010. The xenon headlight on one side of the vehicle flickers or is inoperative. The condition may be intermittent or permanent. DTCs are stored in the electronic central electronics control module for the affected headlight. Only xenon bulbs manufactured by Philips are affected. The xenon bulb may have an internal leak at the crimp of the…
• 10066424Jan 16, 2014Exterior lighting. Summary to be provided on a future date.
• 10054989Jan 16, 2014Exterior lighting. Audi: the xenon headlights on one side has a condition of flickering or being inoperative and may be intermittent or permanent, due to a possible internal leakage at crimp of electrodes and gas is being released. Model 2008-2009 a4, a5, q5.
• 10122192Jan 9, 2014Brakes, Steering, Wheels. Supersedes Technical Service Bulletin Group 46 number 12-23 dated June 18, 2012. Customer may report that the steering wheel vibrates or pulsates when the brakes are applied. Document contains the brake pulsation diagnostic guidelines.
• 10122199Jan 3, 2014Electrical system. Supersedes Technical Service Bulletin Group 91 number 11-16 dated October 5, 2011. During a Bluetooth call, the sound is difficult to hear for the other party. Voice recognition accuracy is poor. This TSB provides guidelines for testing microphones in a vehicle.
• 10243767Dec 16, 2013Equipment. Audi Elsa Newsletter
• 10121410Dec 13, 2013Steering. The customer states that the steering feels stiff during turning. The condition occurs when the vehicle is stationary. The steering shaft needs to be updated.
• 10054863Dec 13, 2013Steering. Audi: when vehicle is stationary, the steering will feel still when turning and the steering shaft needs to be updated with improved intermediate steering shaft. Model 2009-2014 a4, a5, a5 cab, q5.
• 10251027Dec 9, 2013Wheels. Tightening wheel bolts
• 10121408Dec 9, 2013Wheels. Supersedes Technical Service Bulletin Group 44 number 12-32 dated August 2, 2012. Wheel bolt requires torque adjustment. Torque sticks, torque extension bars, and impact guns/wrenches are not approved by Audi of America, Inc., and should not be used to apply torque to wheel bolts. Always use a calibrated torque wrench to attain the correct wheel bolt torque and follow the proper wheel tightening procedure as…
• 10054859Dec 9, 2013Equipment. Audi: on certain vehicles, use calibrated torque wrench and not torque sticks, torque extension bars and impact guns/wrenches not approved for usage on wheel bolts by manufacturer, that can cause damage to brake, steering wheel, hub. Model 1995-2014 all.
• 10053944Dec 6, 2013Engine. Audi: see document search button for owner letter. Information provided regarding warranty extension on carbon buildup removal, engine cylinder head secondary air ports. Models 2009-2012. No model provided.
• 10251002Dec 3, 2013Suspension. Rattling/knocking noise from front end over bumps
• 10250661Dec 3, 2013Suspension. Rattling/knocking noise from front end over bumps
• 10121406Dec 3, 2013Suspension, Brakes. The customer reports hearing a rattling or knocking noise when the car is driven over bumps or uneven road surfaces. The noise is noticed after the car has been driven for a while and is warmed-up, and when the temperature outside is warm. The condition can be duplicated if the brakes are applied while the car is driven over bumps. High ambient temperatures at the hydraulic guide links cause the noise.
• 10243765Dec 2, 2013Equipment. Audi Elsa Newsletter
• 10204501Nov 27, 2013Engine cooling. 90 "Ignition lock faulty" message in cluster information display.
• 10121509Nov 27, 2013Electrical system. "Ignition lock faulty" message is displayed in the driver information display with the symbol shown at right. DTCs are stored in the comfort system central control unit. The "ignition lock faulty" message can be triggered by many different DTC entries. Presence of the message does not indicate that the ignition switch is faulty; the message typically has a different root cause. Replacing the ignition switch before…
• 10204498Nov 26, 2013Body and structure. Components on the doors or the parcel shelf vibrate while heavy bass audio is played.
• 10121506Nov 26, 2013Body and structure, Equipment. Supersedes Technical Service Bulletin Group 57 number 12-70 dated September 5, 2012. Vibration noises from the doors or the rear parcel shelf are heard, particularly when heavy bass audio is playing. Components on the doors or the parcel shelf vibrate while heavy bass audio is played.
• 10204517Nov 25, 2013Equipment. Elso pro reminder.
• 10251025Nov 21, 2013Steering. Steering wheel shimmy, vibration and/or oscillation

← All problems reported for the 2009 Audi A4