2009 Audi A4Service bulletins
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.
- 10121321Sep 20, 2013Engine. Supersedes Technical Service Bulletin Group 24 number 12-28 dated April 24, 2012. MIL on. DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. DTC P0234 can be set inadvertently by the software application. DTC P0234 can be set with an actual cause in combination with loss of engine power and low/uneven engine performance…
- 10243780Sep 16, 2013Equipment. Audi Elsa Newsletter
- 10228324Sep 16, 2013Engine cooling. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
- 10225003Sep 16, 2013Equipment. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
- 10221976Sep 16, 2013Engine cooling. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
- 10121320Sep 16, 2013Engine. Supersedes Technical Service Bulletin Group 01 number 13-73 dated March 7, 2013. The engine warning light is on after engine replacement. The engine is not running roughly. However, the engine control module, J623 (01), is storing one or more of the following engine misfire fault codes: DTCs P0300 - P0304. The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for…
- 10121342Sep 13, 2013Wheels, Steering. Supersedes Technical Service Bulletin Group 48 number 12-30 dated June 25, 2012. Steering wheel appearance damaged due to external impact (e.g., contact with finger nails, zippers, watches, rings, etc.). External impact (e.g., contact with finger nails, zippers, watches, rings etc.) can cause damage to the appearance of the steering wheel. This type of damage is not warrantable, as numerous investigations have…
- 10121367Sep 11, 2013Electrical system. Supersedes Technical Service Bulletin Group 91 number 12-49 dated July 31, 2012. The Bluetooth® telephone cannot be connected to the vehicle?s Infotainment system. Certain restrictions are present when a Bluetooth device is connected to the vehicle. The restrictions vary depending on the vehicle system present.
- 10121363Sep 10, 2013Engine cooling. Supersedes Technical Service Bulletin Group 87 number 13-41 dated May 30, 2013. Moisture in the driver or front passenger foot well. Due to a faulty and/or incorrectly installed condensation drain hose, condensation from the evaporator could enter the front foot well areas through a gap between the body and the sealing surface of the drain hose.
- 10121324Sep 5, 2013Engine cooling. Supersedes Technical Service Bulletin Group 10 number 10-02 dated September 14, 2010. Prior to engine replacement, any debris lodged in transferred assemblies must be removed. If the vehicle's engine experienced a serious mechanical problem, it is possible that small pieces of metal debris resulting from the mechanical problem may have become deposited in the intake manifold, air intake hoses, exhaust manifolds…
- 10243778Sep 3, 2013Equipment. Audi Elsa Newsletter
- 10124638Aug 30, 2013Equipment. Supersedes Technical Service Bulletin Group 91 number 11-20 dated October 21, 2011. Customer may report that cracking, grinding, rattling, humming, whining, or similar interference is coming from one or more speakers. Parts of the speakers (such as the brackets, cables, or covers) or parts of the interior fittings (such as door covers, rear shelf, facings, or covers) can vibrate at certain frequencies, causing…
- 10121385Aug 30, 2013Electrical system. Audi has determined that a faulty fuel injector may cause minor misfire conditions and, in turn, cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate due to the presence of specific fault codes caused by this component.
- 10124641Aug 26, 2013Equipment. Supersedes Technical Service Bulletin Group 87 number 13-43 dated July 12, 2013. Air conditioning is inoperative. The HVAC blower functions normally. The A/C pressure/temperature sensor, G395, leaks refrigerant. This causes sensor G395 to show an incorrect or implausible value when reading MVBs. An incorrect signal or a low refrigerant level in the system can cause the air conditioning compressor to deactivate.
- 10124653Aug 21, 2013Steering. Supersedes Technical Service Bulletin Group 48 number 13-46 dated July 22, 2013. Customer hears squeaking noises when turning or maneuvering the steering wheel. The folds of the outer CV joint rubber boots can touch each other when the steering wheel is turned.
- 10124619Aug 21, 2013Fuel system. Audi has determined that a faulty fuel injector may cause minor misfire conditions and, in turn, cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate due to the presence of specific fault codes caused by this component. Please note that it is highly unlikely that the vehicle will experience an issue with multiple fuel injectors at the same time. The MIL is part of the on-board…
- 10124675Aug 20, 2013Engine cooling. Supersedes Technical Service Bulletin Group 01 number 13-01 dated May 29, 2013. MIL on. DTCs are stored in the engine control module. Mileage is greater than 15,000 miles. Under certain driving conditions, the secondary air ports in the cylinder head can accumulate carbon over time, causing a restriction.
- 10124670Aug 16, 2013Engine cooling. Supersedes Technical Service Bulletin Group 26 number 13-18 dated May 22, 2013. Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system (rear silencer).
- 10124645Aug 14, 2013Visibility (wipers, defrost, mirrors). Windshield is streaked, has a snakeskin appearance, or its surface feels rough. Residue from industrial fallout as well as normal road dirt and grime may accumulate on windshield.
- 10124621Aug 14, 2013Engine cooling. As part of Audi's ongoing commitment to our environment, Audi is extending the Emissions Control Systems Warranty to cover cleaning of the engine cylinder head secondary air ports to remove carbon buildup under specific conditions to 10 years or 120,000 miles, whichever occurs first, from the vehicle's original in-service date for certain 2009-12 Model Year Audi vehicles with 3.2L engine, and certain 2009-2013…
- 10124616Aug 13, 2013Engine cooling. Audi has determined that, under certain driving conditions, carbon buildup can occur in the engine cylinder head secondary air ports. Due to the presence of specific fault codes caused by this carbon buildup, the Malfunction Indicator Lamp (MIL) on the instrument cluster may illuminate. The MIL is part of your on-board diagnostic system. Please refer to your owner's manual for additional information about the MIL.
- 10124667Aug 7, 2013Transmission and drivetrain. Supersedes Technical Service Bulletin Group 37 number 13-81 dated January 16, 2013. Vehicle shudders briefly before a stop. Gearbox downshift uncomfortable at low speeds. At speeds below 6 mph, the vehicle shudders briefly when coming to a stop. Because of an unfavorable adjustment between engine and gearbox, the vehicle can shudder under certain driving conditions when changed from second to first gear.
- 10124690Aug 5, 2013Equipment. This document contains information on the Audi side assist update.
- 10124687Aug 5, 2013Equipment, Brakes. This document contains information on the Audi braking guard.
- 10124654Aug 2, 2013Steering. Supersedes Technical Service Bulletin Group 48 number 13-45 dated July 10, 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…
- 10124648Aug 1, 2013Latches, locks and linkages. Supersedes Technical Service Bulletin Group 57 number 11-49 dated August 8, 2011. The customer inquires about the operation of the vehicle locking, and may suggest that the vehicle "locked itself". The lock command history is stored in the convenience system control module (J393).
- 10124515Jul 30, 2013Latches, locks and linkages, Electrical system. Supersedes Technical Service Bulletin Group 55 number 13-30 dated May 28, 2013. "Low Oil Level" message is on in the DIS or MMI. The hood must be open for at least 30 seconds for a reset of this message to be performed. The message is not reset in the DIS/MMI because the hood has not been recognized as being opened due to an inoperative hood contact switch.
- 10124509Jul 30, 2013Brakes. Supersedes Technical Service Bulletin Group 46 number 13-46 dated June 27, 2013. Brakes on vehicles produced before September 3, 2012 (calendar week 36 of 2012), squeak or squeal when used with light to moderate force.
- 10243791Jul 29, 2013Equipment. Audi Elsa Newsletter
- 10243790Jul 22, 2013Equipment. Audi Elsa Newsletter
- 10124512Jul 22, 2013Steering. Supersedes Technical Service Bulletin Group 40 number 09-06 dated August 3, 2009. Customer hears squeaking noises when turning or maneuvering the steering wheel. The folds of the outer CV joint rubber boots can touch each other when the steering wheel is turned.
- 10226502Jul 19, 2013Vehicle speed control. Rough gear changes both when accelerating and slowing down
- 10210652Jul 19, 2013Transmission and drivetrain, Electrical system. After a mechatronics, torque converter, or complete gearbox replacement, the clutches must be adapted to the new component. This requires a gradual move of the clutch linings toward the optimal operating points in the most diverse load conditions. As a result, sporadic driving power disruptions lasting for less than a second or reduced shift comfort are possible over the first 500 miles. This is normal, and these…
- 10124584Jul 19, 2013Equipment, Electrical system. Some telephone numbers that were downloaded via Bluetooth® are stored with additional, unrelated numbers that do not appear in the contact on the customer"s cellular phone. These telephone numbers are displayed incorrectly on the radio display. The software incorrectly stores the downloaded phone numbers.
- 10124499Jul 19, 2013Transmission and drivetrain. Supersedes Technical Service Bulletin Group 37 number 12-40 dated February 28, 2012. Rough gear changes, both when accelerating and when slowing down. There is a rough driving power disruption that occurs sporadically and lasts for less than a second. After a mechatronics, torque converter, or complete gearbox replacement, the clutches must be adapted to the new component. This requires a gradual move of the clutch…
- 10053883Jul 19, 2013Steering. Audi: in some vehicles, the clutches, after having torque converter, complete gearbox replacement or mechatronics, must adapt to new components with gradual moving of clutch linings in most diverse load conditions. Models 2004-14, a3, tt, q7, a4, a5, a6, a7, a8, q5, s4, s5, s6, s7, rs5.
- 10124496Jul 18, 2013Engine cooling. Supersedes Technical Service Bulletin Group 19 number 13-42 dated July 11, 2013. Customer may report coolant leaking from the engine area. The leak can be traced to the connection of the water pump and the hose leading to the heater core. The seal ring is not the cause of the leak.
- 10124525Jul 16, 2013Equipment, Electrical system. Supersedes Technical Service Bulletin Group 91 number 12-61 dated September 25, 2012. The customer complains that when he or she is trying to place a phone call from the vehicle while using a Bluetooth®-connected phone, the phone call disconnects before it begins and an error shows on the MMI display. The message may be "Function not supported" or "Network error". The customer is using a phone with the Android…
- 10243789Jul 15, 2013Equipment. Audi Elsa Newsletter
- 10124573Jul 12, 2013Equipment. Supersedes Technical Service Bulletin Group 96 number 13-64 dated June 20, 2013. The customer is able to program one or more of the Homelink buttons using their garage door remote, but after a few days or weeks, one or more of the programmed Homelink buttons no longer functions. The LED on the Homelink button that is no longer functioning now flashes slowly, indicating that no programming is stored. The customer's…
- 10124520Jul 12, 2013Equipment. Supersedes Technical Service Bulletin Group 87 number 13-42 dated June 11, 2013. Air conditioning is inoperative. The HVAC blower functions normally. Battery discharged; however, when charged, there is no bus silence when vehicle ignition is off. The A/C pressure/temperature sensor, G395, leaks refrigerant. This causes sensor G395 to show an incorrect or implausible value when reading MVBs.
- 10216665Jul 11, 2013Fuel system. The leak can be traced to the connection of the water pump and the hose leading to the heater core (Figure 1). The seal ring is not the cause of the leak.
- 10216663Jul 11, 2013Fuel system. The leak can be traced to the connection of the water pump and the hose leading to the heater core (Figure 1). The seal ring is not the cause of the leak.
- 10124494Jul 11, 2013Engine cooling. Supersedes Technical Service Bulletin Group 19 number 13-40 dated June 17, 2013. Customer may report coolant leaking from the engine area. The leak can be traced to the connection of the water pump and the hose leading to the heater core. The seal ring is not the cause of the leak.
- 10053906Jul 11, 2013Engine, Engine cooling. Audi: the connection of water pump and hose, on some vehicles, leading to heater core, has a coolant leakage from engine area and seal ring is not the cause. Model 2009-2013 a4, a5, q5, a6.
- 10124574Jul 10, 2013Equipment. Supersedes Technical Service Bulletin Group 96 number 12-37 dated June 11, 2012. The customer may report that the handheld transmitter cannot be programmed to the garage door opener control module, J530. The customer's door opener system may not be compatible with J530. The battery in the handheld transmitter may be too weak for a good signal. The battery charge may be sufficient to operate the garage door opener…
- 10124511Jul 10, 2013Steering. 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 sealing sleeve/steering column opening on the bulkhead. Listen to the attached…
- 10216702Jul 9, 2013Brakes, Steering. Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P029900 (Negative Pressure Deviation).
- 10124497Jul 9, 2013Engine, Engine cooling. Supersedes Technical Service Bulletin Group 21 number 13-14 dated June 7, 2013. MIL on. DTC P029900 (Negative Pressure Deviation) is stored as a static fault in the engine control module (ECM), J623 (address word 01). Turbocharger waste gate flap has play. Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap.
- 10066805Jul 9, 2013Engine. Summary to be provided on a future date.
← All problems reported for the 2009 Audi A4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.