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Service bulletins for the 2013 Audi A6

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.

1666 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
TSB-44-13-462014-03-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 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. *PE
TSB-01-13-422014-01-07. Service bulletin. ENGINE. AUDI: THE OIL FILTER, FOR SOME VEHICLES, ARE TOO SHORT, (SHOULD BE 155 (=/-1) MM LONG) FOR INSTALLATION AND DRAIN FLAP, IN OIL FILTER HOUSING, CAN NOT COMPLETELY CLOSE CAUSING LOST OF OIL PRESSURE. MODEL 2013 A6, A7, S4, S5, S5 CAB, Q7, Q5. *PE
TSB-28-G-62014-01-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. AUDI: SOME VEHICLES WOULD EXPERIENCE ROUGH IDLE, DRIVING POWER REDUCED, ILLUMINATION OF MALFUNCTION INDICATOR LAMP (MIL) ON INSTRUMENT PANEL DUE TO SPECIFIC FAULT CODES PRESENCE. MODEL 2010-2013 A4, A5, A6, Q5. *PE
TSB-96-13-782014-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. AUDI: DRIVER INFORMATION DISPLAY MESSAGE SIDE ASSIST UNAVAILABLE AND LANE CHANGE ASSIST IS SPORADIC INOPERATIVE BECAUSE OF SOFTWARE DIAGNOSTIC FAULT. MODEL 2011-2013 A6, A7, A8. *PE
SB-483262013-12-06. Service bulletin. ENGINE. 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. *PE
TSB-48-K-82013-12-04. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. AUDI: UPDATED INFORMATION ON POWER STEERING CONTROL UNIT SOFTWARE, IN SOME VEHICLES, WITH ELECTROMECHANICAL POWER STEERING, HAVING SLIGHT IRREGULARITIES, MANUFACTURED A SPECIFIC PERIOD, MAINLY OCCURS WHEN TEMPERATURE IS AT FREEZING POINT. MODEL 2012-2014 A4, A5, Q5, A6, A7. *PE
TSB-19-13-422013-12-03. Service bulletin. ENGINE; ENGINE AND 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. *PE
TSB-80-13-042013-12-02. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. AUDI: PRESENCE OF COOLANT LOSS INSIDE ELECTRICAL CONNECTOR, CAUSES ENGINE WARNING LIGHT TO ILLUMINATE AND TEMPERATURE OF ENGINE TO ELEVATE AND FAILURE OF CLIMATE SYSTEM HEATING PERFORMANCE. MODEL 2010-2012 A6, A7, A8, Q7, A5 CABRIOLET, TT, A4, Q5. *PE
TSB-94-13-252013-12-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING:HEADLIGHTS. AUDI: DURING PRODUCTION PROCESS, VEHICLES EXPERIENCE STRESS ON HEADLIGHTS, FROM BUMPER AND TORSION FORCE, FROM INSTALLATION CAUSING CRACKS TO APPEAR IN HEADLIGHTS, HAVING HEAVY CONDENSATION AND ALLOWING WATER TO ENTER. MODEL 2012-2014 A6. *PE
TSB-37-13-102013-12-02. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUDI: DUE TO A POSSIBLE MALFUNCTION OF GEARBOX, IN SOME VEHICLES, A MESSAGE MAY APPEAR IN CLUSTER AND BETWEEN AUTOMATIC TRANSMISSION FLUID (ATF) AND TRANSMISSION CONTROL MODULE, A REACTION MAY OCCUR. MODEL 2012-2013 A4, A5 CABRIOLET, A6. *PE
TSB-01-13-162013-12-02. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. AUDI: DUE TO DEFECTIVE VACUUM ACTUATORS, SOME VEHICLES EXPERIENCE HIGH RPMS WITH A POWER REDUCTION, INTAKE MANIFOLD RUNNER CONTROL STUCK CLOSED (BANK 1 AND BANK 2) POWER AND VACUUM ACTUATOR NEEDS TO BE UPDATED. MODEL 2013 A6, A7, S4, S5 (CAB), Q7, Q5. *PE
TSB-37-13-092013-12-02. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). 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. *PE
TSB-00-13-512013-11-29. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE; ELECTRICAL SYSTEM. AUDI: WHEN DRIVER'S DOOR IS OPENED, ENGINE/IGNITION SHUT OFF OR ELECTRONIC PARKING BRAKE (EPB) IS ACTIVATED. MODEL 2013 A6, A7, A8, Q5. *PE
TSB-01-13-112013-08-30. Service bulletin. ENGINE. AUDI: ON SOME VEHICLES, A DEFECT HAS OCCURRED ON ONE OF THE VACUUM ACTUATORS ON THE INTAKE RUNNER BANK 1 OR BANK 2 AND NEEDS TO BE UPDATED. MODELS 2013 A6/ A7, S4, S5, S5 CABRIO, AUDI Q7, AUDI A5. *PE UPDATED 12/2/13. *PE
TSB-01-13-052013-08-27. Service bulletin. ENGINE. AUDI: ON SOME VEHICLES, THE INTAKE RUNNER BANK 1 OR BANK 2 IS DEFECTIVE, DUE TO ONE OF THE VACUUM ACTUATORS, CAUSING A SLIGHT POWER REDUCTION AT HIGH RPMS. MODELS 2013 A6/ A7, S4, S5, S5 CAB, AUDI Q7, AUDI Q5. *PE
57-13-892013-07-16. Service bulletin. LATCHES/LOCKS/LINKAGES. AUDI: SOME VEHICLES, IN COLD WEATHER, OCCASIONALLY, CANNOT BE UNLOCKED USING THE DOOR HANDLE TOUCH SENSOR. ALSO INCLDED ARE MODEL A4 MY 2014, MODEL A5 CABRIOLET MY 2014, MODEL Q5 MY 2014, MODEL RS5 CABRIOLET MY 2014, AND MODEL S5 CABRIOLET MY 2011-2014. *JS
96-13-632013-07-16. Service bulletin. EQUIPMENT. AUDI: SOME VEHICLES MAY OCCASIONALLY EXPERIENCE INOPERATIVE LANE CHANGE ASSISTANT. *JS
18-13-032013-07-16. Service bulletin. ENGINE. AUDI: SOME VEHICLE MAY EXPERIENCE COOLANT LOSS. THE MALFUNCTION INDICATOR LAMP IS ON. *JS
94-13-192013-07-16. Service bulletin. EXTERIOR LIGHTING. AUDI: THE VEHICLE LIGHTS MALFUNCTION MESSAGE MAY BE DISPLAYED ON THE DASHBOARD CLUSTER. THERE IS NO FAILURE. ALSO INCLUDED MODEL A4 MY 2014, MODEL A5 CABRIOLET MY 2014, MODEL Q5 MY 2014, MODEL S7 MY 2012-2014, MODEL RS7 MY 2014. *JS
37-13-072013-07-10. Service bulletin. VEHICLE SPEED CONTROL. AUDI: SOME VEHICLES MAY LACK POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUSLY DEPRESSING THE BRAKE AND ACCELERATOR PEDALS. *JS
01-13-022013-07-09. Service bulletin. ENGINE. AUDI: VEHICLES MAY CONTAIN A DEFECTIVE VACUUM ACTUATOR. *JS
TSB-01-13-822013-04-18. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. AUDI: HIGH TEMPERATURES CAN BUILD UP IN RAIL SYSTEM, UNDER EXTREME DRIVING CONDITIONS, AND LEAD TO FLUCTUATIONS IN FUEL PRESSURE AND POSSIBLE LOSE OF POWER.. MODEL 2013 A4, A5, A6, ALLROAD, Q5. *PE
TSB-91-13-792013-04-16. Service bulletin. PARKING BRAKE. AUDI: 91 FRONT PARK AID AND/OR ACC INOP. FRONT PARKING ASSISTANCE DOES NOT WORK. THE MESSAGE: ACC AND AUDI BRAKING GAURD NOT AVAILABLE... MAY APPEAR. *JS
TSB-91-13-782013-04-15. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; EQUIPMENT; EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. AUDI: THE FIELD OF VISION OF RADAR SENSOR(S) ARE BLOCKED, THIS IS DUE TO LEAVES, SNOW, WATER SPRAY, OR DIRT, CAUSING DEACTIVATION OF RADAR SENSORS, IF NO OBJECTS ARE DETECTED FOR EXTENDED DURATION. MODEL 2011-2014 A6, A7, A8. *PE
TSB-01-13-722013-04-15. Service bulletin. FUEL SYSTEM, GASOLINE. AUDI: CUSTOMER MAY REPORT MIL ON AND LOSS OF PERFORMANCE UNDER EXTREME DRIVING CONDITIONS (E.G. LONG IDLE PERIODS OR EXTENDED STOP AND GO TRAFFIC), HIGH TEMPERATURES BUILD UP IN THE RAIL SYSTEM AND CAN LEAD TO STEAM BUBBLES IN THE FUEL. ALSO INCLUDED MODELS ALLROAD AND A5 CAB. MODEL YEAR 2013. *JS UPDATED 04/12/2013 *JS

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