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.

• 10122678Dec 19, 2012Electrical system, Equipment. Supersedes Technical Service Bulletin Group 57 number 10-38 dated December 1, 2010. One or more door handle touch sensors cannot be used to unlock the vehicle doors. Through diagnosis it has been determined that a door handle touch sensor must be replaced. Otherwise, the vehicle locks function normally, such as when using the remote key or the interior lock switch. It is possible incompatible door handle touch…
• 10067432Dec 19, 2012Latches, locks and linkages, Body and structure. Summary to be provided on a future date.
• 10049959Dec 19, 2012Latches, locks and linkages. Audi: 57 door handle touch sensor (advanced key) will not unlock vehicle. 57 12 81 2020472/5 december 19, 2012. Supersedes technical service bulletin group 57 number 10-38 dated 1 , 2010. Updated 1/23/2013
• 10122674Dec 7, 2012Electrical system, Equipment. The customer may state that the outside ambient temperature display is incorrect. To achieve a smoothening effect of the displayed outside ambient temperature, the value shown does not instantaneously follow the temperature sensor measurement. The display will not change faster than 4° F (2° C) per minute. This concept applies to both falling and rising temperatures.
• 10250477Dec 5, 2012Brakes. DTC stored after replacing ABS unit (DTC 01044)
• 10122679Dec 5, 2012Exterior lighting. After replacing the ABS control unit, the new control unit stores DTC 01044 (Control Unit Incorrectly Coded). No warning light is on and the brake electronics work correctly. Due to a supersession of parts, only ABS/ESP hydraulic control units prepared for vehicles equipped with the start-stop feature are supplied as replacement parts.
• 10067413Dec 5, 2012Brakes. Summary to be provided on a future date.
• 10212695Nov 28, 2012Transmission and drivetrain. Customer may report the vehicle holds second gear intermittently
• 10210642Nov 28, 2012Electrical system, Transmission and drivetrain. New software in the Transmission Control Module (J217) addressed the condition.
• 10122859Nov 28, 2012Electrical system, Transmission and drivetrain. Supersedes Technical Service Bulletin Group 37 number 12-53 dated June 11, 2012. Customer may report the vehicle holds second gear intermittently. New software in the Transmission Control Module (J217) addressed the condition.
• 10065364Nov 28, 2012Transmission and drivetrain. Summary to be provided on a future date.
• 10122846Nov 16, 2012Equipment, Electrical system, Visibility (wipers, defrost, mirrors). Supersedes Technical Service Bulletin Group 87 number 12-32 dated September 5, 2012. 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.
• 10065377Nov 16, 2012Equipment. Summary to be provided on a future date.
• 10122849Nov 9, 2012Body and structure, Equipment. Supersedes Technical Service Bulletin Group 87 number 12-31 dated September 5, 2012. 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.
• 10065374Nov 9, 2012Equipment. Summary to be provided on a future date.
• 10050919Nov 9, 2012Body and structure. Audi: there is a gap between body and sealing surface of drain hose that allows condensation from evaporator to enter front foot well area due faulty and incorrect installation of condensation drain hose. Models 2008-2013 a4, a5, a5 cabriolet, q5.
• 10250995Nov 8, 2012Wheels. Clicking noise from wheel bearing
• 10250654Nov 8, 2012Wheels, Back-over prevention (rear camera). Clicking noise from wheel bearing
• 10122858Nov 8, 2012Suspension. Supersedes Technical Service Bulletin Group 40 number 12-26 dated September 26, 2012. Clicking or clacking noise when maneuvering or parking. Normal driving dynamics may cause microscopic movements between the wheel bearing and wheel bearing housing.
• 10210604Nov 5, 2012Electrical system. DTC P0491 and P0492 (Secondary Air System Insufficient Flow, Bank 1/2) are stored at the same time.
• 10122840Nov 1, 2012Exterior lighting, Equipment, Electrical system. Supersedes Technical Service Bulletin Group 94 number 12-69 dated March 15, 2012. Part or all of the daytime running lights do not work on vehicles with LED DRLs. For vehicles with halogen DRLs, please reference TSB 2017488, 94 Halogen Daytime running lights do not work. In the past, the daytime running light bulbs were a serviceable part. In this application, the LED strip cannot be replaced, and may have an…
• 10250415Oct 29, 2012Engine cooling. Idle speed characteristic during cold start
• 10250414Oct 29, 2012Fuel system. Unnecessary High Pressure Fuel Pumps replacement due to Guided Fault Finding test plans not being performed or interrupted when the following DTC? s are present in the engine control module:
• 10122804Oct 29, 2012Fuel system, Electrical system. MIL on. Engine misfire. Poor performance. Unnecessary High Pressure Fuel Pumps replacement due to Guided Fault Finding test plans not being performed or interrupted when the following DTC?s are present in the engine control module.
• 10122803Oct 29, 2012Engine cooling. Supersedes Technical Service Bulletin Group 01 number 12-51 dated July 18, 2012. Noises/inconsistent engine operation after cold start during the catalyst heating phase. The customer may interpret this engine roughness as misfiring. To comply with the legal requirements on exhaust gas emissions according to the LEV-1 and LEV-2 standards, a high exhaust gas quality must be ensured. The necessary catalyst only…
• 10063095Oct 29, 2012Engine. Summary to be provided on a future date.
• 10250437Oct 25, 2012Engine cooling. P0299 Negative pressure deviation, turbocharger excessive wastegate play
• 10122798Oct 25, 2012Engine cooling, Electrical system. Mil on, DTC P0299 Negative Pressure Deviation. 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. This leads to boost escaping through a loose flap which sets the DTC P0299 Negative Pressure Deviation.
• 10063854Oct 25, 2012Engine cooling. Summary to be provided on a future date.
• 10047679Oct 25, 2012Engine cooling. Audi: excessive wear from linkage for waste gate actuation, leads to play at the waste gate flap causing boost escaping through loose flap of turbocharger. Models 2009-2010 a4, a5, a5 cab. *pe updated 04/15/2013
• 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.
• 10250442Oct 23, 2012Electrical system. Excessive Voltage DTCs present in multiple control units
• 10122794Oct 23, 2012Electrical system. Supersedes Technical Service Bulletin Group 27 number 12-14 dated October 12, 2012. Complaints are reported by the customer regarding electrical features and functions in the vehicle. One or more warning lights on in cluster. The DIS or other displays in cluster are blank. MMI does not function. Windows do not function. LED indicators in various buttons inside the vehicle do not light up.
• 10250441Oct 12, 2012Electrical system. Excessive Voltage DTCs present in multiple control units
• 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.
• 10122795Oct 12, 2012Electrical system. complaints are reported by the customer regarding electrical features and functions in the vehicle. One or more warning lights on in cluster. The DIS or other displays in cluster are blank. MMI does not function. Windows do not function. LED indicators in various buttons inside the vehicle do not light up. The voltage regulator on the alternator can sporadically fail causing the electrical system to experience too…
• 10122778Oct 12, 2012Body and structure, Equipment. Supersedes Technical Service Bulletin Group 57 number 12 ? 75 dated October 3, 2012. The outer door seals have become partially detached. Loss of adhesion between the door structure and door seal due to a flaw in the attachment process in production.
• 10250429Oct 10, 2012Engine cooling. MIL on. One or several of the following DTCs for the cam actuators are stored in ECM memory
• 10122800Oct 10, 2012Electrical system, Engine. MIL on. DTCs for the cam actuators are stored in ECM memory. After the activation of the cam actuator to change to the other cam profile, the pin of the actuator is pushed back in by the cam. This is confirmed by a voltage impulse, which is registered by the engine control unit and confirms the operation. If this does not happen, or not at the right time, a DTC "implausible signal" is saved in ECM memory.
• 10122738Oct 10, 2012Air bags. On October 10, 2012, the National Highway Traffic Safety Administration released a press release regarding the potential for some vehicles to be at risk for containing counterfeit airbags if the airbags in the vehicle were replaced at independent repair shops that are not Audi dealerships or Audi certified.
• 10063846Oct 10, 2012Engine. Summary to be provided on a future date.
• 10047899Oct 10, 2012Air bags. Audi: on certain vehicles, a potential for counterfeit airbags were replaced, or installed, at independent repair shops and have not been certified by dealerships or audi. Models 2006-2009 a3, a4, a6, a8, q5, q7.
• 10122768Oct 8, 2012Exterior lighting. Supersedes Technical Service Bulletin Group 94 number 12 ? 88 dated September 25, 2012. The turn signal indicator lens is inoperative without any damage from outside influence. Cracks have formed in the lens and as a result condensation can be seen behind the lens. The turn signal lens can crack due to the high amount of tension in the side mirror housing. The tension is due to improper installation of the mirror…
• 10047799Oct 8, 2012Visibility (wipers, defrost, mirrors). Audi: cracks has formed in lens, causing condensation behind the lens, making inoperative the signal indicator, without damage from outside influence. Models 2009-2013 a3, a4; 2008-2013 a5; 2010-2013 cabriolet.
• 10122737Oct 5, 2012Transmission and drivetrain, Brakes, Engine cooling, Steering, Visibility…. This document contains the fluid capacty chart.
• 10067592Oct 5, 2012Equipment. Summary to be provided on a future date.
• 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.
• 10122780Oct 3, 2012Equipment, Body and structure. Supersedes Technical Service Bulletin Group 57 number 11 ? 59 dated October 21, 2011. The outer door seals have become partially detached. Loss of adhesion between the door structure and door seal due to a flaw in the attachment process in production.

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