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.

• 10194629May 28, 2021Engine cooling, Electrical system. This bulletin contains instructions for resolving a coolant leak.
• 10194418May 18, 2021Equipment, Electrical system. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
• 10193583May 13, 2021Equipment, Brakes. This bulletin contains instructions for determining unexpected Audi presense interventions.
• 10193573May 13, 2021Engine cooling, Equipment. This technical service bulletin reminds the reader to check for metal debris when replacing an engine.
• 10193548May 13, 2021Equipment. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage).
• 10191558Apr 30, 2021Electrical system. Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time without any discrepancy.
• 10191141Apr 29, 2021Equipment. This information bulletin contains a background on the outside air temperature reading.
• 10191136Apr 21, 2021Suspension. This bulletin contains instructions for determining if bushings need to be replaced.
• 10190280Apr 1, 2021Latches, locks and linkages, Electrical system. This technical service bulletin provides troubleshooting information for the vehicle locking system.
• 10190274Apr 1, 2021Engine. This bulletin contains instructions for resolving a coolant leak.
• 10189653Mar 29, 2021Equipment. This bulletin contains repair instructions for when there is radio static when the rear heater is active.
• 10189325Mar 18, 2021Exterior lighting. This informational bulletin contains information on the different shading of LED headlights.
• 10188592Mar 8, 2021Engine cooling. This bulletin contains instructions for resolving a coolant leak.
• 10187575Feb 25, 2021Equipment, Brakes. This informational contains an explanation for when the customer hears creaking noises when braking at almost standstill (crawling when pulling away or briefly before standstill).
• 10186993Feb 10, 2021Brakes. This informational bulletin provides diagnostic information for brake conditions.
• 10186945Feb 2, 2021Engine cooling. This bulletin contains instructions for using the UV additive to find engine oil leaks.
• 10186569Jan 25, 2021Brakes. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
• 10185155Dec 18, 2020Equipment. This special notice is to inform dealers to return the part numbers listed (State of California only).
• 10185224Dec 14, 2020Engine cooling. This bulletin contains instructions for resolving a coolant leak.
• 10181059Oct 5, 2020Equipment, Engine cooling. This bulletin contains instructions for using the UV additive to find engine oil leaks.
• 10180155Sep 24, 2020Equipment, Wheels, Tires. Added new graphic to reflect where to find MY 21 information
• 10179112Aug 27, 2020Engine cooling, Equipment. This information bulletin contains a background on the outside air temperature reading.
• 10178548Aug 10, 2020Equipment. Recall Reminder Part Labels
• 10177300Jul 8, 2020Electrical system. This informational bulletin explains when the range display is empty in the on-board computer.
• 10176873Jun 25, 2020Engine cooling. This bulletin contains instructions for identifying and mixing factory fill coolants.
• 10176408Jun 9, 2020Electrical system, Equipment. This informational bulletin contains instructions on how to use the QR code in a TSB.
• 10176069May 28, 2020Equipment. This technical service bulletin provides troubleshooting for issues with the navigation map database.
• 10175370May 13, 2020Equipment, Wheels. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing(s).
• 10176067May 12, 2020Equipment. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers.
• 10174389Apr 24, 2020Electrical system. This information bulletin contains a background on the outside air temperature reading.
• 10184530Apr 16, 2020Equipment. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly.
• 10173838Apr 1, 2020Fuel system. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
• 10172907Mar 17, 2020Electrical system. This bulletin contains information regarding when the message 'Vehicle lights: malfunction' appears with DTC 03280, 01800, or B126AF0.
• 10172594Mar 6, 2020Fuel system. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
• 10171830Feb 23, 2020Equipment. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker.
• 10169118Dec 6, 2019Equipment, Exterior lighting. Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2004-2006 A7, 2004-2011 S7, 2021 RS6 Avant, 2004-2006 S8
• 10169098Dec 4, 2019Equipment, Tires. New document 2004-2020 A4 allroad, A6 allroad, A8L, R8 Spyder
• 10169127Dec 3, 2019Engine, Equipment. The communication contains the details of the water pump extended warranty.
• 10168636Nov 11, 2019Wheels. This bulletin provides information regarding vibrations or movement that are felt in the wheel. 2015-2020 A3 Cabriolet, 2016-2018 A3 Sportback, 2008-2009 S4 Cabriolet, 2008 and 2010 RS4 Cabriolet, 2018-2020 A5 Sportback, 2010-2012 and 2018-2020 RS5 Cabriolet, 2018-2020 S5 Sportback, 2008 A7, 2008-2011 S7
• 10216655Nov 7, 2019Engine cooling. A check with the engine oil service dipstick T40178 is necessary, but the adjustment values for the dipstick are not available in the Elsa repair manual. Because of a system change, the adjustment values for the service dipstick T40178 were removed from the repair manual.
• 10165813Oct 9, 2019Other or unknown. This bulletin contains repair information for when there is a creaking/squeaking from the steering column when steering slowly.
• 10165807Oct 7, 2019Other or unknown. This bulletin contains repair instructions for leaking shock absorbers.
• 10166778Oct 1, 2019Other or unknown. Parts are currently blocked from sale at this time.
• 10165539Sep 30, 2019Equipment. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage.
• 10165536Sep 30, 2019Equipment. Body components - Examples of customer misuse
• 10166284Sep 17, 2019Electrical system. 00 Software Version Management (SVM), operating instructions
• 10165563Sep 17, 2019Electrical system. This bulletin contains information regarding when the message 'Vehicle lights: malfunction' appears with DTC 03280, 01800, or B126AF0.
• 10165371Sep 12, 2019Forward collision avoidance. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
• 10164512Aug 30, 2019Fuel system. This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 S6, 2005 and 2006 A7, 2005-2011 and 2021 S7 2005-2006 and 2021 S8, 2019-2021 E-Tron Quattro
• 10164518Aug 28, 2019Electrical system, Equipment. This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.

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