NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
118 reportsClear category filter201,000 miles · Jan 18, 2021
Electrical SystemPower TrainVehicle Speed Control
I WAS ON MY WAY HOME COMING DOWN FARROW RD. AND MY CAR STALLED OUT, SO I SLOWLY PULLED IN THE MEDIAN TURN CAR OFF AND BACK ON. WHEN I GOT READY TO PULL OUT OF THE MEDIAN THE CAR WOULDN'T GO NO FASTER THAN 5 MILES AND HOUR. SO I HAD MY FRIEND HELP ME PULL IT OUT OF THE ROAD AND TAKE ME HOME AND TOW MY CAR TO THE HOUSE. WHEN I GOT…
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I WAS ON MY WAY HOME COMING DOWN FARROW RD. AND MY CAR STALLED OUT, SO I SLOWLY PULLED IN THE MEDIAN TURN CAR OFF AND BACK ON. WHEN I GOT READY TO PULL OUT OF THE MEDIAN THE CAR WOULDN'T GO NO FASTER THAN 5 MILES AND HOUR. SO I HAD MY FRIEND HELP ME PULL IT OUT OF THE ROAD AND TAKE ME HOME AND TOW MY CAR TO THE HOUSE. WHEN I GOT IT HOME THERE WASN'T ANY ACCELERATION, RPMS WONT MOVE AT ALL, CAR HAS POWER AND CRANKS BUT WHEN I PUT IT IN DRIVE IT WON'T GO ANYWHERE. IT STALLS AND CUTS OFF, EVEN IN NEUTRAL NO ACCELERATION. EVERYTHING LIGHTS UP AND CUTS ON BUT NO ACCELERATION. FROM MY PHOTOS BELOW YOU WILL SEE I HAVE REPLACED ALTERNATOR, THROTTLEBODY, THE RED AND BLACK WIRING ON THE BACK OF THE INTAKE I'VE CHECKED ALL MY HOSES THERE WAS NO SPLITS NO CUTS NO VACUUM LEAK AND EVERY TIME I GET A READING ON IT IT GIVES ME A DIFFERENT CODE PLEASE READ AND REPLY IF THIS IS A RECALL I NEED MY CAR FIXED IMMEDIATELY
NHTSA ODI #11388625
5,100 miles · Aug 17, 2019
EngineService BrakesVehicle Speed Control
WHILE STOPING AT RED LIGHT CAR STALLS BUCKLES DOSE NOT GO OVER 50 MPH AS IT HITS 50 MPH RPMS GO TO6000 SPEED STAYS ON 50 MPH AND I CAN'T GO ON A HIGH WAY CAUSE I CAN'T KEEP UP WITH TRAFFIC NOISE COMING FROM MOTER CAR GOT HOT GOING UP HILLS IN 80 DEGREE WEATHER AND IT JUST ALL AROUND RUNS LIKE [XXX]. INFORMATION Redacted PURSUAN…
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WHILE STOPING AT RED LIGHT CAR STALLS BUCKLES DOSE NOT GO OVER 50 MPH AS IT HITS 50 MPH RPMS GO TO6000 SPEED STAYS ON 50 MPH AND I CAN'T GO ON A HIGH WAY CAUSE I CAN'T KEEP UP WITH TRAFFIC NOISE COMING FROM MOTER CAR GOT HOT GOING UP HILLS IN 80 DEGREE WEATHER AND IT JUST ALL AROUND RUNS LIKE [XXX]. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
NHTSA ODI #11244657
94,000 miles · Dec 20, 2018
EngineVehicle Speed Control
TL* THE CONTACT OWNS A 2006 FORD 500. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SUDDENLY STOPPED ACCELERATING. AFTER RESTARTING THE ENGINE, THE VEHICLE OPERATED NORMALLY. DURING THE FAILURE, THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE THROTTLE BODY WAS FAULTY…
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TL* THE CONTACT OWNS A 2006 FORD 500. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SUDDENLY STOPPED ACCELERATING. AFTER RESTARTING THE ENGINE, THE VEHICLE OPERATED NORMALLY. DURING THE FAILURE, THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE THROTTLE BODY WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED. THE FAILURE MILEAGE WAS 94,000.
NHTSA ODI #11162632
103,000 miles · Nov 6, 2018
Vehicle Speed Control
TL* THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. WHILE DRIVING 55-60 MPH, THE ACCELERATOR PEDAL WAS APPLIED AND THE VEHICLE JERKED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO THREE INDEPENDENT MECHANICS WHO STATED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE DEALER AND MANUFACTURER WERE NOT CONTACTE…
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TL* THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. WHILE DRIVING 55-60 MPH, THE ACCELERATOR PEDAL WAS APPLIED AND THE VEHICLE JERKED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO THREE INDEPENDENT MECHANICS WHO STATED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 103,000. THE VIN WAS NOT AVAILABLE.
NHTSA ODI #11149680
190,000 miles · Oct 24, 2018
EngineVehicle Speed Control
TL* THE CONTACT OWNS A 2006 FORD 500. ON MANY OCCASIONS, THE VEHICLE FAILED TO START. ONCE THE VEHICLE WAS STARTED, IT FAILED TO ACCELERATE FORWARD. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE THROTTLE BODY WAS FAULTY AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE LOCAL DEALER AND MAN…
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TL* THE CONTACT OWNS A 2006 FORD 500. ON MANY OCCASIONS, THE VEHICLE FAILED TO START. ONCE THE VEHICLE WAS STARTED, IT FAILED TO ACCELERATE FORWARD. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE THROTTLE BODY WAS FAULTY AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 190,000.
NHTSA ODI #11142333
120,705 miles · Sep 23, 2018
EngineFuel/propulsion SystemVehicle Speed Control
THE WRENCH LIGHT CAME ON AND I LOST ALL POWER, NOW IT DOESN'T ACCELERATE AND THE MORE ALSO IS A LOUD NOISE COMING FROM THE ENGINE, IT SOUNDS LIKE IT'S GOUNG TO BLOW UP
NHTSA ODI #11130854
90,000 miles · Feb 1, 2017
EnginePower TrainVehicle Speed Control
TL* THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. WHILE DRIVING 60 MPH, THE VEHICLE FAILED TO ACCELERATE AND THE POWER TRAIN WRENCH ICON ILLUMINATED. THE CONTACT WAS ABLE TO SHUT OFF AND RESTART THE VEHICLE IN ORDER TO OPERATE NORMALLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ELECTRONIC THROTTLE BODY SENSO…
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TL* THE CONTACT OWNS A 2006 FORD FIVE HUNDRED. WHILE DRIVING 60 MPH, THE VEHICLE FAILED TO ACCELERATE AND THE POWER TRAIN WRENCH ICON ILLUMINATED. THE CONTACT WAS ABLE TO SHUT OFF AND RESTART THE VEHICLE IN ORDER TO OPERATE NORMALLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ELECTRONIC THROTTLE BODY SENSOR FAILED, SENDING THE VEHICLE INTO "LIMP MODE", AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE PERSISTED ON SEVERAL OCCASIONS. THE CONTACT MENTIONED THAT THE ELECTRONIC THROTTLE BODY SENSOR WAS REPLACED TWICE. THE VEHICLE RECENTLY WENT INTO "LIMP MODE" AGAIN. THE DEALER PERFORMED A DIAGNOSTIC TEST, BUT A FAILURE CODE COULD NOT BE FOUND. THE VEHICLE WAS ALSO TEST DRIVEN, BUT THE FAILURE WAS NOT DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 90,000.
NHTSA ODI #10948887
Mileage unknown · Jul 2, 2016
Vehicle Speed Control
I PURCHASED MY CAR 7/31/2012 WITH 113,000 MILES. I RECEIVED NOTIFICATION OF A RECALL FOR THE RPM SURGE IN 2013. CONCERNED, I TOOK MY CAR TO THE DEALERSHIP AND WAS TOLD SINCE I DIDN'T HAVE ANY PROBLEMS AND HADN'T REACHED THE 150,000 MILE LIMIT, THEN I DIDNT NEED TO WORRY ABOUT REPAIRS FOR THE TIME BEING. I THEN ASKED WHAT WOULD H…
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I PURCHASED MY CAR 7/31/2012 WITH 113,000 MILES. I RECEIVED NOTIFICATION OF A RECALL FOR THE RPM SURGE IN 2013. CONCERNED, I TOOK MY CAR TO THE DEALERSHIP AND WAS TOLD SINCE I DIDN'T HAVE ANY PROBLEMS AND HADN'T REACHED THE 150,000 MILE LIMIT, THEN I DIDNT NEED TO WORRY ABOUT REPAIRS FOR THE TIME BEING. I THEN ASKED WHAT WOULD HAPPEN IF I SURPASSED THE MILE LIMIT AND THE PROBLEM SURFACED. THE MECHANIC INFORMED ME THAT AS LONG AS A RECALL EVER EXISTED, THEN FORD WOULD ALWAYS BE RESPONSIBLE FOR THE REPAIRS. NOT SATISFIED WITH THAT RESPONSE, (BECAUSE THERE WOULD NOT BE A 10 YR /150,000 LIMIT IN THE LETTER) I QUESTIONED THE MANAGER WHO CONFIRMED THE TECH'S ANSWER. IN 2014 I RELOCATED TO LANCASTER CA. I TOO HAVE HAD NUMEROUS DANGEROUS CLOSE CALLS WITH THE SUDDEN ACCELERATION WHILE BREAKING; ONE BEING IN A SCHOOL PARKING LOT IN HIGH TEMPERATURES. I TOOK MY CAR TO THE DEALERSHIP 5/2016 AND JUST AS EXPECTED, THEY WONT REPAIR MY CAR WITHOUT COST. THIS IS WRONG AND VERY DANGEROUS AND HOPEFULLY YOU GUYS WILL DECIDE TO DO SOMETHING ABOUT THIS FOR THE MANY PEOPLE STILL EXPERIENCING PROBLEMS.
NHTSA ODI #10882258
115,000 miles · Nov 21, 2014
EngineVehicle Speed Control
ENGINE SHUT OFF WHILE DRIVING. FAULT CODE INDICATES THROTTLE CONTROL PROBLEM, BUT CAR DRIVES NORMALLY AFTER RESTARTING. WHEN WILL IT SHUT OFF AGAIN? IS IT SAFE TO DRIVE TO THE FORD DEALER? *TR
NHTSA ODI #10659922
149,000 miles · Sep 24, 2014
Electrical SystemVehicle Speed Control
WHEN I FIRST START MY CAR ITS SLOW TO GIVE POWER, OFTEN WHEN I DRIVE IT ON THE STREET IT'LL JUST LOSE COMPLETE POWER AND DIE DOWN. THEN I HAVE TO RESTART ITFOR IT TO TEMPORARILY GO AWAY THEN IT HAPPENS AGAIN. *TR
NHTSA ODI #10638630
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