NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
47 reports67,000 miles · Dec 13, 2022
Electronic Stability Control (esc)Service Brakes, Air
The contact owns a 2009 Audi A3. The contact stated while driving approximately 20 MPH, the traction control and ABS control module warning lights were illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted but no additional assistance was provided. The contact …
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The contact owns a 2009 Audi A3. The contact stated while driving approximately 20 MPH, the traction control and ABS control module warning lights were illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted but no additional assistance was provided. The contact stated that the failure was related to NHTSA Campaign Number: 16V913000 (Service Brakes, Hydraulic, Electronic Stability Control). The failure mileage was approximately 67,000.
NHTSA ODI #11497222
Mileage unknown · Sep 6, 2022
EnginePower TrainUnknown Or OtherCrash
vehicle switched into neutral and accelerated Unable to control or stop Crashed into bush 2014 AUDI checked said no issuue Vehicle switches gear unexpectedly on highway and slows and drags Audi checked Said normal 9/3 2022 foot on break to a full stop at a light Anothet auto in front Audi suddenly switched gear and started …
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vehicle switched into neutral and accelerated Unable to control or stop Crashed into bush 2014 AUDI checked said no issuue Vehicle switches gear unexpectedly on highway and slows and drags Audi checked Said normal 9/3 2022 foot on break to a full stop at a light Anothet auto in front Audi suddenly switched gear and started to accelerate Would not stop Crashed into car in front Gear stayed frrozen in neutral for a few mimutes.
NHTSA ODI #11482996
Mileage unknown · Mar 13, 2022
Air BagsEnginePower Train
I had purchased the car back in August 17th 2021 my power steering my brakes my airbag light and the fuel system fuel leak started happening all at once water was draining out of the middle of the engine . It overheating the engine speed ball down and I automatically I instantly pulled over and turned it off and towed it home 2 …
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I had purchased the car back in August 17th 2021 my power steering my brakes my airbag light and the fuel system fuel leak started happening all at once water was draining out of the middle of the engine . It overheating the engine speed ball down and I automatically I instantly pulled over and turned it off and towed it home 2 days after I bought it. these are also recalls my Audi 2009-a3 2.0 tfsi s tronic has been sitting in my friends driveway for 7 months now because I cannot take the car anywhere I cannot move the car anywhere I cannot start the car and I don't know what else to do so I do need your help I should be eligible it says my VIN number matches the eligible subject vehicle my VIN number is in your system but my car is not showing up it shows up but it's not showing up as a recall or included in the class action settlement if you have any questions please call me [XXX] at [XXX] if you have any input thank you. I do love my Audi I love it very much the day I got to drive it and the only day I got to drive it I was very happy I thought with it until I get it fixed I will not be happy again INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
NHTSA ODI #11456529
Mileage unknown · Oct 23, 2021
Electrical SystemPower Train
DSG transmission will abruptly shift down to first gear and would not respond in any other gear. The shift indicator in the dashboard will light up and blink and the check engine light will come on. There are no warnings before this happens and it will happen at random times. It has happen in separate occasions while traveling a…
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DSG transmission will abruptly shift down to first gear and would not respond in any other gear. The shift indicator in the dashboard will light up and blink and the check engine light will come on. There are no warnings before this happens and it will happen at random times. It has happen in separate occasions while traveling at different speeds. When this happens while traveling it creates a dramatic reduction on vehicle speed almost causing the vehicle traveling behind me to rear end me. Once stopped the car will only engage when put on D and will stay at a low gear causing the RPMs to red line even at low speeds making it unsafe to drive due to only being able to reach 5 to 10 MPH. A scan was performed and codes P1814 Press. Ctrl. Valve 1 Open circuit/short implausible signal, and, P1835 Press. Ctrl. Valve 5 Short circuit to B+. This fault is random and there is no warning or indication of when it may happen making the vehicle unsafe at any speed.
NHTSA ODI #11437903
Mileage unknown · Jan 26, 2021
Power Train
THE WIRING HARNESS OF A TEMPERATURE SENSOR IN THE DSG MAY HAVE CONNECTOR WIRES THAT WERE INSUFFICIENTLY CRIMPED BY THE CONNECTOR SUPPLIER DURING A LIMITED PRODUCTION PERIOD. WITH INSUFFICIENTLY CRIMPED CONNECTOR WIRES, A TEMPERATURE SENSOR HAS THE POTENTIAL TO FALSELY DETECT A HIGH GEARBOX OIL TEMPERATURE, CAUSING THE CLUTCH TO …
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THE WIRING HARNESS OF A TEMPERATURE SENSOR IN THE DSG MAY HAVE CONNECTOR WIRES THAT WERE INSUFFICIENTLY CRIMPED BY THE CONNECTOR SUPPLIER DURING A LIMITED PRODUCTION PERIOD. WITH INSUFFICIENTLY CRIMPED CONNECTOR WIRES, A TEMPERATURE SENSOR HAS THE POTENTIAL TO FALSELY DETECT A HIGH GEARBOX OIL TEMPERATURE, CAUSING THE CLUTCH TO OPEN AND CAN CAUSE THE DRIVER TO PERCEIVE THAT THE TRANSMISSION HAS SHIFTED INTO NEUTRAL. IF THIS HAPPENS, THE SELECTOR LEVER POSITION INDICATOR WITHIN THE INSTRUMENT PANEL WILL FLASH. IN ADDITION, THE DEPRESS BRAKE PEDAL INDICATOR LIGHT WILL BE ILLUMINATED, ALERTING THE DRIVER TO APPLY THE BRAKES. IN HEAVY TRAFFIC, THIS COULD LEAD TO A CRASH WITHOUT WARNING.
NHTSA ODI #11389974
10,000 miles · Apr 23, 2020
Electrical SystemEnginePower Train
PURCHASED CAR IN 2010 WITH AROUND 10,000 MILES ON IT. A FEW MONTHS AFTER PURCHASING, CHECK ENGINE LIGHT WOULD ILLUMINATE, VEHICLE WOULD HAVE A NOTICEABLE DECREASE IN POWER AND NOT ACCELERATE OVER ABOUT 40MPH. SOMETIMES AFTER SHUTTING CAR OFF AND RESTARTING PROBLEM WOULD GO AWAY, OTHER TIMES IT WOULD NOT. VEHICLE TAKEN TO AUDI DE…
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PURCHASED CAR IN 2010 WITH AROUND 10,000 MILES ON IT. A FEW MONTHS AFTER PURCHASING, CHECK ENGINE LIGHT WOULD ILLUMINATE, VEHICLE WOULD HAVE A NOTICEABLE DECREASE IN POWER AND NOT ACCELERATE OVER ABOUT 40MPH. SOMETIMES AFTER SHUTTING CAR OFF AND RESTARTING PROBLEM WOULD GO AWAY, OTHER TIMES IT WOULD NOT. VEHICLE TAKEN TO AUDI DEALERSHIP CAR PURCHASED FROM FOR REPAIR AND INITIALLY REPORTED AS SENSOR PROBLEM AND REPAIRED. COUPLE WEEKS AFTER REPAIR CAR WOULD HAVE SAME PROBLEM, SO TAKEN BACK TO DEALERSHIP AND AGAIN REPAIRED SENSOR(S). WITHIN ABOUT THE FIRST YEAR AFTER PURCHASING, ISSUE HAPPENED MULTIPLE (+/-5) TIMES AFTER DEALERSHIP 'REPAIRED' WHAT THEY THOUGHT WAS THE PROBLEM AT THE PARTICULAR TIME. AFTER ABOUT 5/6 TIMES OF THIS HAPPENING DEALERSHIP TOOK A MORE IN DEPTH ATTEMPT AT FIGURING OUT WHAT PROBLEM REALLY WAS, TELLING ME THEY WERE WORKING DIRECTLY WITH AUDI & THEIR MECHANICS TO FIND AND FIX THE ACTUAL DEFECT. CAR WAS IN SHOP FOR AROUND 3 MONTHS FOR THIS REPAIR, WHICH THEY DETERMINED WAS ELECTRICAL AND DECIDED TO REWIRE THE ENTIRE CAR. IN THE MEANTIME, I MOVED OUT OF STATE TO START GRADUATE SCHOOL. I FINALLY GOT IT BACK A FEW MONTHS LATER AFTER HAVING TO PAY TO SHIP IT TO ME AND FOR A RENTAL WHILE WAITING. WITHIN A FEW MONTHS, CAR ONCE AGAIN HAD SAME EXACT PROBLEM. TOOK TO NEW LOCAL DEALERSHIP WHO ALSO DIAGNOSED ISSUE AS SENSOR(S) & 'REPAIRED' THEM. CONTINUED TO HAVE SAME PROBLEM EVERY FEW WEEKS, WOULD TAKE INTO DEALER FOR REPAIR, GET IT BACK, HAVE PROBLEM, TAKE TO DEALERSHIP, ETC. DEALERSHIP WOULD NOT ADDRESS CAR OVERALL BEING DEFECTIVE, THEY'D AVOID CONTACT, NOT RETURN CALLS, HANGUP ETC. CAR EVENTUALLY TRADED IN FOR NEW MAKE WHEN WARRANTY EXPIRED.
NHTSA ODI #11322035
100,120 miles · Jan 20, 2020
Power Train
DRIVING 30 MINUTES INTO THE HIGHWAY, THE VEHICLE DECIDED TO SHIFT INTO NEUTRAL WHILE THE VEHICLE WAS IN "D" DRIVE AND IN MOTION. THE "PRNDS" STARTED FLASHING ON MY DASH, WHILE NOT LETTING ME ACCELERATE GOING 65MPH. I HAD TO QUICKLY SLOWDOWN, AND PULL OVER TO THE EMERGENCY LANE. THE VEHICLE SEEMS TO HAVE GONE INTO "LIMP MODE". AF…
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DRIVING 30 MINUTES INTO THE HIGHWAY, THE VEHICLE DECIDED TO SHIFT INTO NEUTRAL WHILE THE VEHICLE WAS IN "D" DRIVE AND IN MOTION. THE "PRNDS" STARTED FLASHING ON MY DASH, WHILE NOT LETTING ME ACCELERATE GOING 65MPH. I HAD TO QUICKLY SLOWDOWN, AND PULL OVER TO THE EMERGENCY LANE. THE VEHICLE SEEMS TO HAVE GONE INTO "LIMP MODE". AFTER TURNING OFF THE VEHICLE AND TURNING IT BACK ON, IT DROVE JUST FINE. THIS HAPPENED ONCE MORE 2 DAYS AGO. SEEMS LIKE IT COULD BE THE TRANSMISSION CONTROL UNIT, HOWEVER DEALER CANT DETERMINE THE FAULT WITHOUT A CODE. SCARED TO DRIVE THE VEHICLE NOW.
NHTSA ODI #11300553
95,000 miles · Aug 21, 2019
Engine
AUDI / VW HAD A CLASS ACTION LAWSUIT ON THIS CARS TIMING CHAIN AND TIMING CHAIN TENSIONER. THE EXTENDED WARRANTY HAS EXPIRED. MINE BROKE AT 95000 MILES. SO I'M SURE THERE ARE OTHER AUDI OWNERS THAT DON'T EVEN KNOW THIS HAPPENED. THIS IS COSTING ME OVER 1000$. AND SHOULD OF BEEN A FULL RECALL, NOT THIS OTHER BS. IT IS L…
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AUDI / VW HAD A CLASS ACTION LAWSUIT ON THIS CARS TIMING CHAIN AND TIMING CHAIN TENSIONER. THE EXTENDED WARRANTY HAS EXPIRED. MINE BROKE AT 95000 MILES. SO I'M SURE THERE ARE OTHER AUDI OWNERS THAT DON'T EVEN KNOW THIS HAPPENED. THIS IS COSTING ME OVER 1000$. AND SHOULD OF BEEN A FULL RECALL, NOT THIS OTHER BS. IT IS LEAVING US HIGH AND DRY. I HOPE YOU CAN DO SOMETHING ABOUT THIS. THANKS
NHTSA ODI #11245552
61,200 miles · Aug 17, 2019
Power Train
TRANSMISSION GOES INTO NEUTRAL WHILE AT HIGHWAY SPEEDS. ENGINE RPMS JUMP TO REDLINE WHILE CAR IS IN NEUTRAL, THEN GOES BACK INTO GEAR. HAS HAPPEN SEVERAL TIMES WHILE ON THE HIGHWAY. TRANSMISSION ALSO KICKS DOWN TO LOWEST GEAR WHEN COMING AT STOP, JERKING THE CAR WHILE BRAKING.
NHTSA ODI #11244641
109,000 miles · Apr 29, 2019
Electrical SystemElectronic Stability Control (esc)Service Brakes
TL* THE CONTACT OWNS A 2009 AUDI A3. THE CONTACT STATED THAT THE ABS AND STABILITY CONTROL FAILED TO FUNCTION PROPERLY AND MADE THE VEHICLE UNSTABLE TO DRIVE. BELL AUDI (782 US-1, EDISON, NJ 08817, (732) 388-2800) AND THE MANUFACTURER INDICATED THAT THE VEHICLE WAS EXCLUDED FROM NHTSA CAMPAIGN NUMBER: 16V913000 (SERVICE BRAKES, …
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TL* THE CONTACT OWNS A 2009 AUDI A3. THE CONTACT STATED THAT THE ABS AND STABILITY CONTROL FAILED TO FUNCTION PROPERLY AND MADE THE VEHICLE UNSTABLE TO DRIVE. BELL AUDI (782 US-1, EDISON, NJ 08817, (732) 388-2800) AND THE MANUFACTURER INDICATED THAT THE VEHICLE WAS EXCLUDED FROM NHTSA CAMPAIGN NUMBER: 16V913000 (SERVICE BRAKES, HYDRAULIC, ELECTRONIC STABILITY CONTROL); ALTHOUGH, THE VEHICLE EXHIBITED THE SAME FAILURE AS THE RECALL CAMPAIGN. THE DEALER DIAGNOSED THAT THE ABS CONTROL MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED; HOWEVER, A SYSTEM ISSUE OCCURRED WITH THE SOFTWARE UPDATE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 109,000. THE VIN WAS UNKNOWN.
NHTSA ODI #11204416
Official recalls
5Jan 30, 2018
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2006-2013 Audi A3, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2008 RS4 Cabriolet, 2009-2012 Q5, and 2010-2012 Audi A5 Cabriolet and S5 Cabriolet vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to explode.
Consequence & remedy
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could explode with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Audi will notify owners, and dealers will replace the driver's frontal air bag inflator with an alternative inflator, free of charge. The recall began February 23, 2018. Owners may contact Volkswagen customer service at 1-800-253-2834. Volkswagen's number for this recall is 69R6. Note: This recall partially supersedes recall 16V-078.
Dec 20, 2016
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2009-2010 Volkswagen Jetta A5 Sedan, 2009 Volkswagen Jetta SportWagen, Eos, GTI, Rabbit and Audi A3 vehicles, and 2010 Volkswagen Golf A6 vehicles. The Antilock Brake System (ABS) control unit may fail during ABS or Electronic Stability Control (ESC) activation, possibly causing a loss of vehicle control.
Consequence & remedy
Consequence: A loss of vehicle control can increase the risk of a crash.
Remedy: Volkswagen will notify owners, and dealers will update the ABS control module software to improve the module's self-testing abilities. Any module that fails the new diagnostic test will be replaced. These repairs will be made free of charge. The recall began February 2017. Owners may contact Volkswagen customer service at 1-800-893-5298.
Additional source detail variants (2)
Electronic Stability Control (esc)
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2009-2010 Volkswagen Jetta A5 Sedan, 2009 Volkswagen Jetta SportWagen, Eos, GTI, Rabbit and Audi A3 vehicles, and 2010 Volkswagen Golf A6 vehicles. The Antilock Brake System (ABS) control unit may fail during ABS or Electronic Stability Control (ESC) activation, possibly causing a loss of vehicle control.
Consequence: A loss of vehicle control can increase the risk of a crash.
Remedy: Volkswagen will notify owners, and dealers will update the ABS control module software to improve the module's self-testing abilities. Any module that fails the new diagnostic test will be replaced. These repairs will be made free of charge. The recall began February 2017. Owners may contact Volkswagen customer service at 1-800-893-5298.
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2009-2010 Volkswagen Jetta A5 Sedan, 2009 Volkswagen Jetta SportWagen, Eos, GTI, Rabbit and Audi A3 vehicles, and 2010 Volkswagen Golf A6 vehicles. The Antilock Brake System (ABS) control unit may fail during ABS or Electronic Stability Control (ESC) activation, possibly causing a loss of vehicle control.
Consequence: A loss of vehicle control can increase the risk of a crash.
Remedy: Volkswagen will notify owners, and dealers will update the ABS control module software to improve the module's self-testing abilities. Any module that fails the new diagnostic test will be replaced. These repairs will be made free of charge. The recall began February 2017. Owners may contact Volkswagen customer service at 1-800-893-5298.
Feb 10, 2016
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2006 Volkswagen Passat sedans and wagons, 2005-2013 Audi A3, and 2006-2009 Audi A4 Cabriolet vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence & remedy
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Volkswagen will notify owners, and dealers will replace the driver's frontal air bag inflators, free of charge. The recall began March 2017. Volkswagen owners may contact Volkswagen customer service at 1-800-893-5298. Audi owners may contact Audi customer service at 1-800-253-2834.
Sep 30, 2009
VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 AUDI A3, TT, AND TT ROADSTER PASSENGER VEHICLES MANUFACTURED BETWEEN SEPTEMBER 29, 2005 AND AUGUST 26, 2009. THE CLOSING FORCE OF AN INTERNAL SPRING OF THE FUEL TANK VENTILATION VALVE IS NOT ADEQUATE ENOUGH TO HOLD THE VALVE CLOSED UNDER EXTREME DRIVING CONDITIONS POSSIBLY ALLOWING FUEL TO LEAK.
Consequence & remedy
Consequence: IN THE PRESENCE OF AN IGNITION SOURCE, A VEHICLE FIRE COULD OCCUR.
Remedy: VOLKSWAGEN WILL NOTIFY OWNERS AND AUDI DEALERS WILL REPLACE THE FUEL TANK VENTILATION VALVE WITH AN IMPROVED VALVE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 16, 2009. OWNERS MAY CONTACT AUDI AT 1-800-253-2834.
Aug 20, 2009
VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2009 AND 2010 PASSENGER CARS MANUFACTURED BETWEEN SEPTEMBER 2008 AND AUGUST 2009. THE WIRING HARNESS OF A TEMPERATURE SENSOR IN THE DIRECT SHIFT GEARBOX (DSG) MAY HAVE CONNECTOR WIRES THAT WERE INSUFFICIENTLY CRIMPED. WITH INSUFFICIENTLY CRIMPED CONNECTOR WIRES, A TEMPERATURE SENSOR HAS THE POTENTIAL TO FALSELY DETECT A HIGH GEARBOX OIL TEMPERATURE, CAUSING THE TRANSMISSION TO ABRUPTLY SHIFT TO NEUTRAL. IF THIS HAPPENS, THE SELECTOR LEVER POSITION INDICATOR WITHIN THE INSTRUMENT PANEL WILL FLASH. IN ADDITION, THE "DEPRESS BRAKE PEDAL" INDICATOR LIGHT WILL BE ILLUMINATED, ALERTING THE DRIVER TO APPLY THE BRAKES.
Consequence & remedy
Consequence: THE ABRUPT SHIFT TO NEUTRAL COULD LEAD TO A CRASH WITHOUT WARNING.
Remedy: VOLKSWAGEN WILL REPROGRAM THE TRANSMISSION CONTROL MODULE WITH UPDATED SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 20, 2009. OWNERS MAY CONTACT VOLKSWAGEN AT 1-800-822-8987.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2PE11023 · Diesel Fuel Injector Line Leakage
Opened Aug 2, 2011 · Closed Dec 2, 2011
Status: closed (inferred from source dates) · Fuel System, Diesel
By letter dated October 3, 2011, Volkswagen Group of America, Inc. (VW) notified the National Highway Traffic Safety Administration (NHTSA) that it will conduct a safety recall to address a defect in approximately 168,275 model year (MY) 2009-2012 Volkswagen Jetta, Jetta Sportwagen, Golf, and Audi A3 vehicles equipped with the 2.0L TDI Common Rail Clean Diesel engine (NHTSA Recall No. 11V-490).The recalled Jetta and Jetta Sportwagen vehicles were built from May 2008 through September 2011, the Golf vehicles were built from May 2009 through September 2011, and the Audi A3 vehicles were built from September 2009 through September 2011.According to Volkswagen, in U.S. applications of the above cited TDI vehicles including engine codes CJAA and CBEA, the fuel injection pulses could coincide with the natural frequency of the injector line #2 in specific load and RPM conditions.This resonance creates additional stress on the fuel line which a small number of parts (based on the statistic spread of line strength) cannot withstand over its lifetime.As a contributing factor, VW indicated that a supplier used tube material with scratch marks from a grinding process during certain production periods.Lines manufactured in these periods were installed in vehicles produced in the following 10 months:December 2008, January-February 2009, October 2009, March-April 2010 and September-December 2010.Injector lines using this material exhibit a significantly higher failure rate.Dealers will replace injector line #2 in all vehicles built in these months.In addition, as a precautionary measure, all recalled vehicles will have vibration dampers installed on all four fuel injector lines.Analysis of NHTSA complaints, VW complaints, VW field reports and warranty claims found allegations of injector line leakage in 443 subject vehicles.The leaking line was not identified in 62 of the vehicles.For the 381 that did provide information about which injector lines were leaking and/or replaced, 358 (94%) involved an injector line #2 leak/repair.Almost three-quarters of the injector line #2 leak/repair incident vehicles were built in the 10 months identified by VW, which accounted for approximately one-quarter of the recalled vehicles.The failure rate for injector line #2 in vehicles built in the 10 months affected by the supplier line scratching issue is 6.0 incidents per thousand vehicles (IPTV).The failure rate for injector line #2 in other production months of recalled vehicles is 0.8 IPTV.The leak/repair rates for the other injector lines are all well under 1 IPTV.The action taken by Volkswagen is sufficient to resolve the issues raised by this investigation. The agency will continue to monitor this issue and reserves the right to take further action if warranted by the circumstances. Accordingly, this investigation is closed.
PE09035 · Vehicle Stall/loss Motive Power
Opened Jul 17, 2009 · Closed Nov 19, 2009
Status: closed (inferred from source dates) · Power Train:manual Transmission
THE SUBJECT VEHICLES ARE EQUIPPED WITH DIRECT SHIFT GEARBOX (DSG) TRANSMISSIONS, WHICH FEATURE A 6-SPEED AUTOMATIC GEARBOX WITH TWO WET RUNNING CLUTCHES (DUAL CLUTCH) IN WHICH THE CLUTCH MECHANISM AND GEAR CHANGES ARE ELECTROHYDRAULICALLY OPERATED BY A MECHATRONIC CONTROL UNIT.THE DSG MECHATRONIC CONTROLLER INCLUDES EXTENSIVE SELF DIAGNOSTIC FUNCTIONS AND STRATEGIES TO ENSURE SAFE OPERATION AND PREVENT SYSTEM/COMPONENT DAMAGE IN THE EVENT OF COMPONENT FAILURES OR HARSH OPERATING CONDITIONS.THE BASIC HIERARCHY OF FAULT MODES INCLUDES SOME THAT ONLY RESULT IN THE STORAGE OF A DIAGNOSTIC TROUBLE CODE (DTC) AND CAUSE NO LOSS OF FUNCTION, SOME THAT STORE A DTC AND REDUCE VEHICLE OPERATION TO A LIMP HOME MODE, AND SOME THAT STORE A DTC AND CAUSE AN INTERRUPTION OF MOTIVE POWER (I.E., OPEN CLUTCH).THE DRIVER IS ALERTED TO THE LATTER TWO MODES BY THE DASH GEAR POSITION INDICATOR (PRNDS) FLASHING. ONE OF THE CONDITIONS THAT RESULTS IN INTERRUPTION OF MOTIVE POWER IS EXCESS GEARBOX TEMPERATURE.THE SYSTEM INITIALLY RESPONDS TO INCREASED GEARBOX TEMPERATURE BY RAMPING DOWN ENGINE TORQUE.IF THE TEMPERATURE KEEPS RISING THE MECHATRONIC UNIT RESPONDS BY OPENING THE CLUTCH.IN A DEFECT INFORMATION REPORT SUBMITTED TO NHTSA ON AUGUST 20, 2009, VOLKSWAGEN DESCRIBED A POTENTIAL DEFECT IN THE WIRING HARNESSES OF THE DSG GEARBOX TEMPERATURE SENSORS USED IN APPROXIMATELY 16,000 MODEL YEAR (MY) 2009 AND 2010 VOLKSWAGEN (EOS, JETTA AND GTI) AND AUDI (A3 AND TT/TT ROADSTER) VEHICLES EQUIPPED WITH DSG TRANSMISSIONS AND BUILT FROM SEPTEMBER 2008 THROUGH AUGUST 2009 (NHTSA RECALL NO. 09V-333, VOLKSWAGEN RECALL NO. 37E3/S7 AND AUDI RECALL NO 37E4/J7). VOLKSWAGEN PROVIDED THIS DESCRIPTION OF THE DEFECT, THE WIRING HARNESS OF A TEMPERATURE SENSOR IN THE DSG MAY HAVE CONNECTOR WIRES THAT WERE INSUFFICIENTLY CRIMPED BY THE CONNECTOR SUPPLIER DURING A LIMITED PRODUCTION PERIOD.WITH INSUFFICIENTLY CRIMPED CONNECTOR WIRES, A TEMPERATURE SENSOR HAS THE POTENTIAL TO FALSELY DETECT A HIGH GEARBOX OIL TEMPERATURE, CAUSING THE TRANSMISSION TO ABRUPTLY SHIFT TO NEUTRAL.IF THIS HAPPENS, THE SELECTOR LEVER POSITION INDICATOR WITHIN THE INSTRUMENT PANEL WILL FLASH.IN ADDITION, THE DEPRESS BRAKE PEDAL INDICATOR LIGHT WILL BE ILLUMINATED, ALERTING THE DRIVER TO APPLY THE BRAKES.IN HEAVY TRAFFIC, THE ABRUPT SHIFT TO NEUTRAL COULD LEAD TO A CRASH WITHOUT WARNING.VOLKSWAGEN ESTIMATED THAT LESS THAN ONE PERCENT OF THE RECALLED VEHICLES MAY CONTAIN THE DEFECT CONDITION. ODI IDENTIFIED 40 COMPLAINTS THAT APPEAR TO BE RELATED TO THE TEMPERATURE SENSOR DEFECT CONDITION DESCRIBED BY VOLKSWAGEN.VOLKSWAGEN RECEIVED 139 COMPLAINTS RELATED TO THE CONDITION, WITH 7 INVOLVING VEHICLES REPORTED TO ODI, RESULTING A 172 TOTAL COMPLAINTS TO ODI AND VOLKSWAGEN.ALL OF THESE COMPLAINTS INVOLVE THE MY 2009 AN 2010 VEHICLES SUBJECT TO RECALL 09V-333. ODI ALSO IDENTIFIED COMPLAINTS OF HARSH/JERKY SHIFTING IN SOME VOLKSWAGEN VEHICLES WITH DSG.VOLKSWAGEN ATTRIBUTED THIS CONDITION, WHICH TYPICALLY OCCURS AT VERY LOW SPEEDS, TO EXCESSIVE WEAR IN THE BUSHINGS OF THE TWO SOLENOID VALVES IN THE MECHATRONIC UNIT THAT CONTROL CLUTCH OPERATION.VOLKSWAGEN DOES NOT BELIEVE THAT THE THIS CONDITION IS A SAFETY DEFECT BECAUSE THE CHANGES IN SHIFT QUALITY DEVELOP GRADUALLY OVER TIME, DO NOT CAUSE A LOSS OF MOTIVE POWER AND HAVE NOT RESULTED IN ANY FATALITIES, INJURIES OR SERIOUS CRASHES (THERE WERE THREE REPORTED PROPERTY DAMAGE INCIDENTS RESULTING IN MINOR BODY DAMAGE IN VERY LOW SPEED, PARKING MANEUVERS).VOLKSWAGEN ADDRESSED THIS PROBLEM IN THE FIELD WITH A CUSTOMER SERVICE PROGRAM THAT INCLUDES THE REPLACEMENT OF POTENTIALLY AFFECTED MECHATRONIC UNITS AS WELL
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