NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
104 reportsClear category filter87,102 miles · Sep 11, 2010
Fuel System, GasolinePower Train
WHEN YOU SHIFT OUT OF PARK INTO EITHER REVERSE OR DRIVE THE CAR SURGES FORWARD VERY QUICKLY. IF YOU DON'T HOLD THE BRAKE TO THE FLOOR YOU CAN'T STOP IT. THIS IS VERY DANGEROUS! WHEN UNLOADING MY CHILDREN AT SCHOOL I ALMOST RAN OVER A CHILD DUE TO THIS DEFECT. WHEN I LOOKED ONLINE I FOUND THOUSANDS OF COMPLAINTS ABOUT THIS SAME …
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WHEN YOU SHIFT OUT OF PARK INTO EITHER REVERSE OR DRIVE THE CAR SURGES FORWARD VERY QUICKLY. IF YOU DON'T HOLD THE BRAKE TO THE FLOOR YOU CAN'T STOP IT. THIS IS VERY DANGEROUS! WHEN UNLOADING MY CHILDREN AT SCHOOL I ALMOST RAN OVER A CHILD DUE TO THIS DEFECT. WHEN I LOOKED ONLINE I FOUND THOUSANDS OF COMPLAINTS ABOUT THIS SAME ISSUE. FORD WON'T RECALL IT AND THE PARTS (THROTTLE BODY ASSEMBLY $800) ARE ON A 2 MONTH BACK ORDER! *TR
NHTSA ODI #10354962
58,000 miles · Sep 2, 2010
Power Train
I BOUGHT MY 2006 FORD 500 USED IN 2009 AND ONLY A FEW MONTHS AFTERWARDS I EXPERIENCED "LURCHING" OF THE VEHICLE WHILE I WAS SLOWING ACCELERATING OR REVERSING. THIS ALMOST CAUSED ME TO CRASH INTO MY GARAGE AND IS VERY DANGEROUS WHEN I AM REVERSING IN A PARKING LOT AS THERE ARE PEDESTRIANS. THIS HAPPENED RANDOMLY FOR ABOUT 9 MONT…
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I BOUGHT MY 2006 FORD 500 USED IN 2009 AND ONLY A FEW MONTHS AFTERWARDS I EXPERIENCED "LURCHING" OF THE VEHICLE WHILE I WAS SLOWING ACCELERATING OR REVERSING. THIS ALMOST CAUSED ME TO CRASH INTO MY GARAGE AND IS VERY DANGEROUS WHEN I AM REVERSING IN A PARKING LOT AS THERE ARE PEDESTRIANS. THIS HAPPENED RANDOMLY FOR ABOUT 9 MONTHS WITH NO AFTEREFFECTS. NO LIGHT TURNED ON OR ANYTHING SEEMED TO WRONG OTHER THAN THE RANDOM LURCHING. HOWEVER, 9 MONTHS AFTER I PURCHASED THE VEHICLE I WAS STOPPED IN DRIVE TO LET MY FAMILY OUT OF MY CAR IN A PARKING LOT AND THE CAR LURCHED WHILE I HAD MY FOOT ON THE BRAKE AND THE GEAR IN DRIVE. THE WRENCH LIGHT THEN CAME ON AND THE CAR DROVE ODDLY (SOUNDED WEIRD AND DIDN'T ACCELERATE WELL) AFTER THAT. I EVENTUALLY PARKED IT AND WHEN I RETURNED AND TURNED THE CAR BACK ON THE LIGHT WAS OFF AND THE CAR SOUNDED FINE. THEN 2 MONTHS LATER I STARTED MY CAR AND PUT IT INTO REVERSE AND IMMEDIATELY NOTICED THE CAR SOUND WEIRD AGAIN AND WAS NOT ACCELERATING. I PUT IT INTO DRIVE AND BASICALLY COASTED TO THE SIDE OF THE ROAD BECAUSE THERE WAS NO ACCELERATION. THE WRENCH LIGHT WAS ON AGAIN. THIS TIME I HAD TO HAVE IT TOWED TO THE DEALERSHIP WHERE THEY TOLD ME I HAD TO REPLACE THE THROTTLE BODY ASSEMBLY. I HAVE NOT HAD IT REPAIRED YET AS I AM FIGHTING WITH THEM ABOUT THE WARRANTY I PURCHASED AND TRYING TO FIND THE BEST PRICE AS THIS SEEMS TO BE A RECURRING PROBLEM. *TR
NHTSA ODI #10353483
65,000 miles · Aug 14, 2010
Power Train
I HAVE A 2006 FORD 500 AND WHILE SITTING AT A RESTAURANT I PUT MY CAR INTO REVERSE TO BACK OUT OF THE PARKING SPACE WHEN IT SURGED BACKWARD AND I HAD NO CONTROL. SO I BRAKED AND PUT IN FORWARD. THEN IT SURGED FORWARD AND I HAD TO HARD BRAKE IT TO STOP THE CAR. IT HAD BEEN MAKING A NOISE LIKE THERE WAS SOMETHING WRONG WITH THE…
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I HAVE A 2006 FORD 500 AND WHILE SITTING AT A RESTAURANT I PUT MY CAR INTO REVERSE TO BACK OUT OF THE PARKING SPACE WHEN IT SURGED BACKWARD AND I HAD NO CONTROL. SO I BRAKED AND PUT IN FORWARD. THEN IT SURGED FORWARD AND I HAD TO HARD BRAKE IT TO STOP THE CAR. IT HAD BEEN MAKING A NOISE LIKE THERE WAS SOMETHING WRONG WITH THE POWER STEERING. I CALLED THE DEALERSHIP AND A TOW TRUCK AND HAD IT TAKEN IN. THE DEALERSHIP RAN A DIAGNOSIS AND SAID IT WAS THE THROTTLE BOTTLE. SINCE I WAS ABOUT 50 MILES FROM HONE I HAD IT TOWED BACK TO MY CITY WHERE I AM HAVING THE THROTTLE BODY REPLACED. *TR
NHTSA ODI #10349317
71,000 miles · Aug 12, 2010
Power Train
I OWN A 2006 FORD FIVE HUNDRED, LIMITED EDITION. WHEN THE CAR IS PUT IN GEAR, EITHER DRIVE OR REVERSE, WITH MY FOOT ON THE BRAKE, IT LURCHES FORWARD OR BACKWARDS 75% OF THE TIME. I BOUGHT MY CAR USED ALMOST TWO YEARS AGO WITH 71,000 MILES, AND THOUGHT THE LURCHING WAS NORMAL. I TOOK MY CAR TO A REPAIR SHOP, AND THEY SAID IT…
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I OWN A 2006 FORD FIVE HUNDRED, LIMITED EDITION. WHEN THE CAR IS PUT IN GEAR, EITHER DRIVE OR REVERSE, WITH MY FOOT ON THE BRAKE, IT LURCHES FORWARD OR BACKWARDS 75% OF THE TIME. I BOUGHT MY CAR USED ALMOST TWO YEARS AGO WITH 71,000 MILES, AND THOUGHT THE LURCHING WAS NORMAL. I TOOK MY CAR TO A REPAIR SHOP, AND THEY SAID IT WAS THE TYPE OF TRANSMISSION. UPON FURTHER RESEARCH, I FOUND OUT THEIR THEORY WAS FALSE, AND IT TURNS OUT THE THROTTLE BODY GOES BAD AFTER ABOUT 30,000 MILES. THE LURCHING OCCURS AT LEAST ONCE A DAY, EVEN AFTER THE CAR HAS BEEN RUNNING FOR OVER 30 MINUTES. I HAVE BEEN LUCKY THAT I HAVE NOT INJURED ANYONE WITH THE SUDDEN LURCHING BECAUSE I WORK IN A BUSY DOWNTOWN CITY. SINCE I PARK IN CROWDED LOTS AND GARAGES, I HAVE COME EXTREMELY CLOSE TO HITTING OTHER VEHICLES WHILE I'M SIMPLY PUTTING MY CAR IN PARK. THE PROBLEM WASN'T AS BAD WHEN I FIRST BOUGHT THE CAR, BUT NOW THAT IT'S GETTING OLDER, I'M REALLY NOTICING THE LURCHING OCCURRING MORE FREQUENTLY. WHEN ANOTHER MEMBER OF MY FAMILY DROVE MY CAR RECENTLY, A FENCE ON OUR PROPERTY WAS STRUCK DUE TO THE LURCHING. THUS FAR, I HAVE NOT BEEN ABLE TO RECTIFY THIS ISSUE BECAUSE THE PART NEEDED (THROTTLE BODY) IS CURRENTLY ON BACK ORDER FOR A FEW MONTHS. I'M HOPING FORD IS FORCED TO RECALL THIS PROBLEM BECAUSE IT HAS THE POTENTIAL OF BEING DANGEROUS OR EVEN DEADLY. *TR
NHTSA ODI #10349112
27,890 miles · Aug 7, 2010
Power TrainVehicle Speed Control
ON JULY 17, 2010, MY 2006 FORD 500 BEGAN TO LURCH/SURGE FORWARD/ BACKWARD DEPENDING ON WHETHER I WAS IN DRIVE OR REVERSE. TOOK THE CAR TO FORD IMMEDIATELY. THEY REPROGRAMMED THE PCM. IT WAS NOT COVERED BY THE EXTENDED WARRANTY. YESTERDAY, AUGUST 6, 2010, MY CAR BEGAN DOING THE SAME THING. TOOK CAR BACK TO SAME DEALER. THEY…
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ON JULY 17, 2010, MY 2006 FORD 500 BEGAN TO LURCH/SURGE FORWARD/ BACKWARD DEPENDING ON WHETHER I WAS IN DRIVE OR REVERSE. TOOK THE CAR TO FORD IMMEDIATELY. THEY REPROGRAMMED THE PCM. IT WAS NOT COVERED BY THE EXTENDED WARRANTY. YESTERDAY, AUGUST 6, 2010, MY CAR BEGAN DOING THE SAME THING. TOOK CAR BACK TO SAME DEALER. THEY SUGGESTED IT MIGHT BE THE THROTTLE BODY. RESEARCH SHOWING THIS IS A COMMON PROBLEM WITH THIS VEHICLE (AND HAS BEEN FOR SOME TIME). *TR
NHTSA ODI #10347937
73,000 miles · Jul 28, 2010
Fuel System, OtherPower Train
MY 2006 FORD 500 LUNGES INTERMITTENTLY WHEN SHIFTING FROM PARK TO DRIVE OR REVERSE. THE CAR WAS TAKEN TO A REPAIR SHOP WHO COULD NOT REPRODUCE THE LUNGING AND SAID NOTHING APPEARED WRONG. SINCE IT ONLY OCCURS INTERMITTENTLY, IT IS DIFFICULT TO EVEN GET IT FIXED. IT APPEARS MANY OTHER FORD 500'S ARE HAVING THE SAME PROBLEM. *T…
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MY 2006 FORD 500 LUNGES INTERMITTENTLY WHEN SHIFTING FROM PARK TO DRIVE OR REVERSE. THE CAR WAS TAKEN TO A REPAIR SHOP WHO COULD NOT REPRODUCE THE LUNGING AND SAID NOTHING APPEARED WRONG. SINCE IT ONLY OCCURS INTERMITTENTLY, IT IS DIFFICULT TO EVEN GET IT FIXED. IT APPEARS MANY OTHER FORD 500'S ARE HAVING THE SAME PROBLEM. *TR
NHTSA ODI #10346004
45,000 miles · Jul 26, 2010
Power Train
I OWN A 2006 FORD FIVE HUNDRED. CAR SURGES FORWARD EVEN WHEN THE BRAKE PEDAL IS PRESSED. IT DOES THIS IN REVERSE ALSO - EVEN WHEN THE BRAKE PEDAL IS PRESSED. I HAVE FOUND THAT THE CAR DOES THIS MAINLY WHEN THE AIR CONDITIONING IS TURNED ON. IT IS EXTREMELY DANGEROUS TO TRY TO PARK THE CAR WHEN THE AIR CONDITIONING IS ON. THE…
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I OWN A 2006 FORD FIVE HUNDRED. CAR SURGES FORWARD EVEN WHEN THE BRAKE PEDAL IS PRESSED. IT DOES THIS IN REVERSE ALSO - EVEN WHEN THE BRAKE PEDAL IS PRESSED. I HAVE FOUND THAT THE CAR DOES THIS MAINLY WHEN THE AIR CONDITIONING IS TURNED ON. IT IS EXTREMELY DANGEROUS TO TRY TO PARK THE CAR WHEN THE AIR CONDITIONING IS ON. THE CAR SURGES FORWARD AND I HAVE ALMOST RUN INTO OTHER CARS WHEN TRYING TO PARK. THE DEALER RETRIEVED THE CODE FROM THE COMPUTER. THEY APPLIED THE LATEST UPDATES TO THE COMPUTER AND CLEARED THE CODE. THE DEALER TOLD ME IF THAT DID NOT SOLVE THE PROBLEM, I WOULD HAVE TO GET A NEW THROTTLE BODY AT APPROX. $400. SEVERAL WEEKS HAVE GONE BY AND THE PROBLEM IS GETTING WORSE. IT IS SCARY! I CALLED THE DEALER AND ASKED THEM TO ORDER A NEW THROTTLE BODY. IT APPEARS TO BE ON BACKORDER UNTIL 8/31/10. SO I AM ON A WAITING LIST. THIS IS A MAJOR SAFETY PROBLEM THAT FORD MOTOR COMPANY NEEDS TO TAKE CAR OF. THIS SHOULD BE A RECALL!!! FORD MOTOR COMPANY SHOULD MAKE THIS RIGHT. I AM DISAPPOINTED IN FORD. I HAVE OWNED FORD VEHICLES FOR 20 YEARS AND HAVE NEVER BEEN SO DISSATISFIED. *TR
NHTSA ODI #10345230
60,000 miles · Jun 30, 2010
Power Train
WHEN SHIFTING INTO GEAR, OR WHEN TAKING FOOT OFF OF BRAKE AFTER SITTING FOR A BRIEF PERIOD, CAR LUNGES FORWARD (OR BACKWARDS) WITHOUT TOUCHING THE GAS PEDAL. THIS HAS CAUSED MANY NEAR ACCIDENTS INVOLVING BUILDINGS, OTHER AUTOS, AND PEDESTRIANS, VERY VERY DANGEROUS. FORD DEALERS CLAIM THEY CAN NEVER DUPLICATE THE PROBLEM WHILE …
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WHEN SHIFTING INTO GEAR, OR WHEN TAKING FOOT OFF OF BRAKE AFTER SITTING FOR A BRIEF PERIOD, CAR LUNGES FORWARD (OR BACKWARDS) WITHOUT TOUCHING THE GAS PEDAL. THIS HAS CAUSED MANY NEAR ACCIDENTS INVOLVING BUILDINGS, OTHER AUTOS, AND PEDESTRIANS, VERY VERY DANGEROUS. FORD DEALERS CLAIM THEY CAN NEVER DUPLICATE THE PROBLEM WHILE IT IS IN THEIR SHOP. SOMEONE IS GOING TO GET HURT DUE TO FORD AND THEIR INABILITY TO DO THE RIGHT THING AND MAKE PROPER REPAIRS AT THEIR EXPENSE. *TR
NHTSA ODI #10340755
80,000 miles · May 15, 2009
Power Train
2006 FORD FIVE HUNDRED, INTERNAL FAILURE OF CVT TRANSMISSION(TORQUE CONVERTER AND SHAFT), SLOW PROGRESSIVE FAILURE, FORD WOULD NOT ACCEPT RESPONSIBILITY DESPITE NUMEROUS OTHER NATIONWIDE COMPLAINTS. PLEASE NOTE FORD NO LONGER USES THIS TYPE OF TRANSMISSION IN THEIR VEHICLES. OVER 5,000 DOLLARS TO REPLACE. HAD CAR FOR 1.5 YEARS. …
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2006 FORD FIVE HUNDRED, INTERNAL FAILURE OF CVT TRANSMISSION(TORQUE CONVERTER AND SHAFT), SLOW PROGRESSIVE FAILURE, FORD WOULD NOT ACCEPT RESPONSIBILITY DESPITE NUMEROUS OTHER NATIONWIDE COMPLAINTS. PLEASE NOTE FORD NO LONGER USES THIS TYPE OF TRANSMISSION IN THEIR VEHICLES. OVER 5,000 DOLLARS TO REPLACE. HAD CAR FOR 1.5 YEARS. *TR
NHTSA ODI #10268824
23,000 miles · Jan 26, 2009
Air BagsEngine And Engine CoolingPower Train
TL*THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. EVER SINCE THE VEHICLE WAS PURCHASED BRAND NEW IN 2006, THE CONTACT HAS BEEN EXPERIENCING BRAKE FAILURE. IN ADDITION, WHILE DRIVING 55 MPH, THE VEHICLE DECELERATES UNEXPECTEDLY. THE VEHICLE WAS TAKEN TO THE DEALER A TOTAL OF SIX TIMES AND THEY REPLACED THE THROTTLE AND CHANGED THE…
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TL*THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. EVER SINCE THE VEHICLE WAS PURCHASED BRAND NEW IN 2006, THE CONTACT HAS BEEN EXPERIENCING BRAKE FAILURE. IN ADDITION, WHILE DRIVING 55 MPH, THE VEHICLE DECELERATES UNEXPECTEDLY. THE VEHICLE WAS TAKEN TO THE DEALER A TOTAL OF SIX TIMES AND THEY REPLACED THE THROTTLE AND CHANGED THE BRAKES EACH TIME. THE VEHICLE FAILED COMPLETELY AND WAS TOWED TO HER RESIDENCE. THE FAILURE MILEAGE WAS 23,000 AND CURRENT MILEAGE WAS 45,922. UPDATED 3/3/09 *CN THE AIR BAG ILLUMINATED WHEN A PASSENGER SAT IN THE SEAT. THE SHIFTER WAS HARD TO MOVE. THE FRONT MOTOR MOUNT WAS BROKEN. UPDATED 03/04/09. *JB
NHTSA ODI #10256315
NHTSA investigations
1PE11018 · Idle Instability
Opened May 11, 2011 · Closed Feb 7, 2013
Status: closed (inferred from source dates) · Vehicle Speed Control
On November 29, 2012, Ford Motor Company (Ford) initiated Customer Satisfaction Program 12N03 to extend warranty coverage terms for repair of engine idle RPM surge caused by throttle body deposits in all model year (MY) 2005 through 2007 Ford Freestyle, Five Hundred and Mercury Montego vehicles.The program extends the coverage for up to 10 years of service or 150,000 miles from the warranty start date of the vehicle (all vehicles are eligible for the program through May 31, 2013, regardless of mileage).Dealers will repair vehicles exhibiting the condition by removing and cleaning the throttle body and reprogramming the PCM with software containing an updated idle speed control strategy.According to Ford, some of the affected vehicles may experience momentary, intermittent engine idle RPM surge (idle flare) when stopped or during low speed driving maneuvers such as in a parking lot or driveway.Unstable idle speed control (dips and flares) around the target engine speed (700 rpm) can occur in vehicles with deposit build-up in the throttle body when the system adjusts engine speed in response to changes in engine load, typically from power steering application or air-conditioner compressor cycling.Idle speed control logic is only active at vehicle speeds below 3.5 mph and when the accelerator pedal is not applied.Ford testing of a vehicle with a worst case throttle body measured a maximum idle flare of 1360 RPM lasting approximately 1 second, which Ford indicated was consistent with system design to limit vehicle speed and acceleration in idle control mode.Ford indicated that the test vehicle was held in place with normal brake effort and that vehicle speed remained under 4 mph without the brake pedal applied.In addition to throttle body deposit accumulation, symptoms associated with the condition may include Check Engine lamp illumination and diagnostic trouble codes (DTCs) P0505, P0506 or P061B.Ford attributed the surge condition to changes in idle air flow resulting from the progressive buildup of deposits in the throttle body from normal Positive Crankcase Ventilation (PCV) system operation.This condition was not adequately compensated for in the original Powertrain Control Module (PCM) calibration.Ford issued a technical service bulletin on August 15, 2011 (TSB 11-8-5), releasing an updated powertrain control calibration for vehicles with CVT transmissions.On October 19, 2011, Ford issued a second bulletin (TSB 11-10-21) superseding TSB 11-8-5 and including updated powertrain control calibration for vehicles with 6-speed transmissions.Prior to Ford issuing the TSB?s, owner?s experiencing the alleged defect either received no repairs, if dealers could not duplicate the condition, or had the throttle body cleaned or replaced, which only provided temporary correction until the throttle deposit build-up returned.Ford?s revised powertrain calibrations appear to be effective remedies for the idle instability caused by build-up of throttle body deposits.However, even after the TSB?s were released, many owners experiencing the condition continued to have difficulty with proper diagnosis and repair as dealers were often either unable to duplicate the condition or were unfamiliar with the new repair procedures.Ford's new program addresses those concerns.NHTSA's testing and complaint analysis indicate that the idle speed control issue in the subject vehicles can only occur at very low speeds, are very brief events, are easily controlled by moderate brake pedal forces and result in minor increases in vehicle speed even with no braking.This investigation is closed.The closing of this in