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Service bulletins for the 2009 Audi A4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

775 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
TSB-87-12-342013-02-13. Service bulletin. STRUCTURE:FRAME AND MEMBERS; STRUCTURE:BODY. 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. *PE
A-5712812013-01-23. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. 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 *JS
DC-5162012-12-10. Service bulletin. AIR BAGS: ALLEGED COUNTERFEIT AIR BAG. 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. *PE
TSB-94-12-902012-12-08. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. 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. *PE
TSB-21-12-102012-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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 *JS
TSB-94-12-882012-11-09. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. AUDI: CRACKS FORMING IN LENS DUE TO AMOUNT OF TENSION AND IMPROPER INSTALLATION WHICH CAUSES CONDENSATION TO BE SEEN. ALSO, TURN SIGNAL INDICATOR IS INOPERATIVE. MODEL 2008-2013 A3, A4, A5, CABRIOLET. *PE
TSB-94-12-752012-09-07. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. AUDI: THE INNER TAIL LIGHTS MAY MALFUNCTION DUE TO DEVELOPMENT OF OXIDATION OF THE CONTACTS FOR INNER LED TAIL LIGHTS, NOT THE OUTER TAIL LIGHTS. *PE
TSB-94-12-732012-09-06. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. AUDI: UPDATED INFORMATION REGARDING THE OXIDATION IN THE INNER LED TAIL LIGHTS,THAT MAY DEVELOP, CAUSING MALFUNCTIONS OF THE INNER, NOT OUTER, TAIL LIGHT. *PE
TSB-94-12-792012-08-14. Service bulletin. INTERIOR LIGHTING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. AUDI: INSTRUMENT CLUSTER DISPLAY ILLUMINATES WITH VEHICLE LIGHTS MALFUNCTION WHEN LIGHT BULB IS OUT. MODELS A4, AUDI Q5 (2009-12), A5 (2008-12) AND A5 CABRIOLET (2010-12). *PE
TSB-91-12-422012-08-14. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. AUDI: BACK UP CAMERA IMAGE IS INCORRECT OR OFF, TOO BRIGHT, TOO DARK, FUZZY, DISTORTED OR OPAQUE. MODELS AUDI Q5, Q7, A4, A5, A5 CABRIOLET (2009-14), A5, S5 (2008-14), A8 (2010-14) AND A6 (2011-14). *PE
TSB-96-12-342012-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; VISIBILITY:REARVIEW MIRRORS/DEVICES. AUDI: WHEN SELECTING REVERSE GEAR, THE PICTURE OF REARVIEW CAMERA FAILS TO APPEAR, SPORADICALLY. CERTAIN MODELS, CAMERA IMAGE CAN BE RE=ACTIVATED. MODEL YEARS 2008-2013. *PE
TSB-87-12-252012-05-11. Service bulletin. STRUCTURE:BODY. AUDI: CONDENSATION, FROM EVAPORATOR, IS ENTERING FOOTWELL AREA, IN FRONT, BETWEEN BODY AND SEALING SURFACE OF DRAIN HOSE THAT ASSEMBLED BY SUPPLIER INCORRECTLY. MODELS A4, A5 COUPE, Q5 AND A5 CABRIOLET. MY 2009-2011. *PE
AUSA-17D92012-05-10. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. AUDI: ON SOME VEHICLES, THE FUEL PRESSURE SENSOR, IMRC MOTOR, OR PRESSURE VALVE MAY FAIL ON TFSI ENGINES, MANUFACTURED WITHIN SPECIFIC PERIOD. *PE
2015505-102012-05-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: 01 MIL ON (P1297, P2187, P2279), OIL LEAKS, PRESSURE LOSS, SYSTEM TOO LEAN AT IDLE SPEED, AND INTAKE AIR SYSTEM LEAK. THERE MAY BE WHISTLE NOISE/AIR RUSHING NOISE FROM THE ENGINE. ALSO INCLUDED MODEL AUDI TTS MODEL YEARS 2010-2011. *JS
TSB-37-12-382012-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; ELECTRICAL SYSTEM:IGNITION. AUDI: VEHICLE HAVE ISSUES WITH IGNITION KEY CAN NOT BE REMOVED FROM IGNITION; VEHICLE IN PARK POSITION BUT UNABLE TO MOVE SHIFTER; ENGINE SWITCHED OFF BUT REMOTE CONTROL CAN NOT LOCK WITH ADVANCED KEY; PARK IS NOT RECOGNIZED ELECTRICALLY. *PE
TSB-34-12-082012-04-11. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. AUDI: WHEN VEHICLE IS AT CONSTANT SPEED OR IS ACCELERATING, FROM THE FRONT CAN HEARD CONSTANT HOWLING, OR DRONING, OR A SCRAPING NOISE. *PE
TSB-01-12-392012-04-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM. 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. *PE
TSB-21-12-072012-04-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. AUDI: ON THE TURBOCHARGER ENGINE, THE COOLANT SUPPLY LINE MAY LEAK, WITHIN A SPECIFIC PERIOD AND NEEDS TO BE REPLACED. *PE
TSB-69-11-202012-03-26. Service bulletin. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE; AIR BAGS. AUDI: SOME MODEL YEAR VEHICLES MUST HAVE THE SERVICE PART FOR THE AIRBAG CONTROL UNIT CODED AND/OR PARAMETER USING SVM CODE LISTED IN ETKA. MODELS A4, S4, A5, S5, Q5, TT, TTS, A3, PA , C6, A6 PA, D4, A8,C7 A7. *PE
TSB-30-11-112012-03-13. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. AUDI: WHEN PRESSING FIRMLY ON CLUTCH PEDAL, CERTAIN MODEL YEAR VEHICLES MAY OR MAY START. *PE
TSB-30-11-102012-03-09. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING; POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). AUDI: CERTAIN MODEL YEAR VEHICLES MAY EXPERIENCE A CONDITION WITH THE CLUTCH MALFUNCTIONING, BURNT SMELL OR NOT RETURNING TO ORIGINAL POSITION. *PE
SB-20092012-02-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PERTAINING TO CERTAIN VEHICLES REGARDING POSITIVE CRANKCASE VENTILATION (PCV) VALVE EXTENSION WARRANTY. *PE
SB-BPGBPYBWT2012-02-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE. AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PERTAINING TO CERTAIN MODEL VEHICLES WITH 2.0L ENGINE CRANKCASE VENTILATION (PCV) VALVE AND INTAKE MANIFOLD RUNNER CONTROL MOTOR WARRANTY EXTENSION. *PE
TSB-94-11-562012-02-07. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. AUDI: ON CERTAIN MODEL YEAR 2008 TO 2013 VEHICLES, DURING ADJUSTMENT OR REMOVAL, BRAKE LIGHT SENSORS BEING REPLACED ARE DAMAGED, PREVENTING PROPER ANALYSIS. *PE
TSB-24-11-932011-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE. AUDI: UPDATE OF SERVICE SOFTWARE. THERE IS A LOW/UNEVEN ENGINE PERFORMANCE AND A LOSS OF ENGINE POWER. MODELS A4, A5, A5 CABRIOLET AND AUDI Q5

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.