NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
12 reportsClear category filter65,395 miles · Sep 22, 2020
Service BrakesVehicle Speed ControlCrash
DRIVING SPEED LESS THAN 25MPH ON FAMILIAR SURFACE STREET WITH NEED TO STOP FOR A CAR ABOUT 75 FEET (ESTIMATE) IN FRONT; SHOULD HAVE BEEN AN EASY STOP; APPLIED BRAKES BUT CAR ACCELERATED (I THINK ONLY ELECTRIC MOTOR); FURTHER BRAKE PRESSURE DID NOT STOP THE CAR, CONTINUED TO ACCELERATE (ESTIMATE 30 MPH); FENDER BENDER CRASH OF DR…
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DRIVING SPEED LESS THAN 25MPH ON FAMILIAR SURFACE STREET WITH NEED TO STOP FOR A CAR ABOUT 75 FEET (ESTIMATE) IN FRONT; SHOULD HAVE BEEN AN EASY STOP; APPLIED BRAKES BUT CAR ACCELERATED (I THINK ONLY ELECTRIC MOTOR); FURTHER BRAKE PRESSURE DID NOT STOP THE CAR, CONTINUED TO ACCELERATE (ESTIMATE 30 MPH); FENDER BENDER CRASH OF DRIVER SIDE FRONT FENDER INTO PASSENGER REAR FENDER AND SIDE BUMPER. VERY FAMILIAR WITH CAR (19 YEARS DRIVING IT) AND VERY FAMILIAR STREET NEAR MY HOME; CONFUSION WAS NOT A FACTOR; NO AIRBAGS ON EITHER CAR ACTIVATED; I WAS ABLE TO STOP WHEN I WAS BEYOND THE STRUCK VEHICLE. I PLAN ON NOT DRIVING CAR FURTHER AND HAVE ASKED TOYOTA DEALER TO TAKE IT BACK FOR JUNK WITHOUT A DEFINITE REPLY SO FAR
NHTSA ODI #11360482
106,000 miles · Aug 6, 2013
Vehicle Speed Control
TL* THE CONTACT OWNS A 2002 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE PARKING, THE VEHICLE INDECENTLY ACCELERATED TO 115 MPH. THE CONTACT APPLIED THE BRAKES AND SHIFTED INTO NEUTRAL IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS…
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TL* THE CONTACT OWNS A 2002 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE PARKING, THE VEHICLE INDECENTLY ACCELERATED TO 115 MPH. THE CONTACT APPLIED THE BRAKES AND SHIFTED INTO NEUTRAL IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 106,000.
NHTSA ODI #10533835
33,000 miles · Jul 26, 2011
Engine And Engine CoolingSteeringVehicle Speed Control
TL* THE CONTACT OWNS A 2002 TOYOTA PRIUS. THE CONTACT STATED THAT UPON STARTING, THE VEHICLE JERKED FORWARD. IN ADDITION, WHILE ATTEMPTING TO STOP AT A STOP SIGN, THE CONTACT DEPRESSED THE BRAKE PEDAL BUT THE VEHICLE HESITATED TO STOP. THE FAILURE OCCURRED ON AN INTERMITTENT BASIS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANI…
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TL* THE CONTACT OWNS A 2002 TOYOTA PRIUS. THE CONTACT STATED THAT UPON STARTING, THE VEHICLE JERKED FORWARD. IN ADDITION, WHILE ATTEMPTING TO STOP AT A STOP SIGN, THE CONTACT DEPRESSED THE BRAKE PEDAL BUT THE VEHICLE HESITATED TO STOP. THE FAILURE OCCURRED ON AN INTERMITTENT BASIS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND AN AUTHORIZED DEALER FOR DIAGNOSTICS. THE TECHNICIANS WERE UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 33,000. .. UPDATED 09/15/11 *BF THE CONSUMER STATED HE/SHE TOOK THE VEHICLE TO THE DEALER AUTO SHOP ON AUGUST 2, 2011 FOR THE REPLACEMENT OF THE ELECTRIC POWER STEERING PINION SHAFT NUTS. THEY ADJUSTED THE GEAR, ACCELERATOR AND STEERING. HOWEVER, THE PROBLEM STILL EXISTS. THE VEHICLE ACCELERATES AND MOVES FORWARD AS SOON AS THE CONSUMER STARTS IT. UPDATED 10/03/11
NHTSA ODI #10415148
Mileage unknown · Apr 6, 2010
Service Brakes, HydraulicVehicle Speed ControlCrash
2002 TOYOTA PRIUS ACCIDENT *GR THE CONSUMER STATED SHE WAS LEAVING A MEETING WHEN SHE ATTEMPTED TO RELEASE HER EMERGENCY BRAKE. SHE WAS PARKED ON AN INCLINE AND HAS PARKED THERE ONCE A MONTH FOR OVER A YEAR. BEFORE SHE KNEW WHAT WAS HAPPENING, THE VEHICLE STARTED TO ROLL BACKWARDS AT SUCH HIGH SPEED THAT SHE WAS UNABLE TO CONTR…
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2002 TOYOTA PRIUS ACCIDENT *GR THE CONSUMER STATED SHE WAS LEAVING A MEETING WHEN SHE ATTEMPTED TO RELEASE HER EMERGENCY BRAKE. SHE WAS PARKED ON AN INCLINE AND HAS PARKED THERE ONCE A MONTH FOR OVER A YEAR. BEFORE SHE KNEW WHAT WAS HAPPENING, THE VEHICLE STARTED TO ROLL BACKWARDS AT SUCH HIGH SPEED THAT SHE WAS UNABLE TO CONTROL IT BY BRAKING. THEREFORE, SHE SIDE SWIPED ANOTHER VEHICLE AND CAUSED OVER $10,500 WORTH OF DAMAGE TO BOTH CARS. *JB
NHTSA ODI #10324246
Mileage unknown · Feb 23, 2010
Vehicle Speed ControlCrash
TL*THE CONTACT OWNS A 2002 TOYOTA PRIUS. WHILE DRIVING 10 MPH THE RPM'S INCREASED EXCESSIVELY CAUSING THE VEHICLE TO ACCELERATE AND CRASH INTO A BUILDING. THE VEHICLE WAS DESTROYED AND NO ONE WAS INJURED. THE CONTACT STATED THAT THE BRAKES FAILED TO STOP THE VEHICLE. THE MANUFACTURER WAS NOT INFORMED OF THE FAILURE. THE CONTACT …
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TL*THE CONTACT OWNS A 2002 TOYOTA PRIUS. WHILE DRIVING 10 MPH THE RPM'S INCREASED EXCESSIVELY CAUSING THE VEHICLE TO ACCELERATE AND CRASH INTO A BUILDING. THE VEHICLE WAS DESTROYED AND NO ONE WAS INJURED. THE CONTACT STATED THAT THE BRAKES FAILED TO STOP THE VEHICLE. THE MANUFACTURER WAS NOT INFORMED OF THE FAILURE. THE CONTACT IS CONCERNED THAT THE LATE MODEL TOYOTAS HAVE NOT BEEN INVESTIGATED REGARDING THE ACCELERATION. THE FAILURE MILEAGE WAS UNKNOWN. JO
NHTSA ODI #10313092
15,000 miles · Feb 9, 2010
Service Brakes, HydraulicVehicle Speed Control
MY 2002 PRIUS HAS BRAKING PROBLEMS WHEN IT HITS A ROUGH PATCH OF PAVEMENT OR ENCOUNTERS SMALL BUMPS. THIS HAS HAPPENED SINCE IT WAS PURCHASED (NEW). IF YOU ARE SLOWING DOWN AND HIT A BUMP OR A SERIES OF BUMPS, THE BRAKING POWER LITERALLY DISAPPEARS FOR A MOMENT OR TWO. THE BRAKING POWER DOES RETURN, BUT IT ADDS CONSIDERABLY TO Y…
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MY 2002 PRIUS HAS BRAKING PROBLEMS WHEN IT HITS A ROUGH PATCH OF PAVEMENT OR ENCOUNTERS SMALL BUMPS. THIS HAS HAPPENED SINCE IT WAS PURCHASED (NEW). IF YOU ARE SLOWING DOWN AND HIT A BUMP OR A SERIES OF BUMPS, THE BRAKING POWER LITERALLY DISAPPEARS FOR A MOMENT OR TWO. THE BRAKING POWER DOES RETURN, BUT IT ADDS CONSIDERABLY TO YOUR STOPPING DISTANCE. I NEVER REALIZED HOW SERIOUS IT COULD BE UNTIL I HEARD ABOUT THE OTHER TOYOTA RECALLS INVOLVING BRAKES. *TR
NHTSA ODI #10307865
40,000 miles · Feb 9, 2010
Service Brakes, HydraulicTraction Control SystemVehicle Speed Control
I BELIEVE TOYOTA HAS KNOWN OF THE BRAKING PROBLEM ALL ALONG. I PURCHASED NEW, A 2002 PRIUS. IN 2008 MY ANTI-LOCKING BRAKE SYSTEM WENT OUT. THE SERVICE MGR. TOLD ME IT NEEDED A NEW RELAY, AND HE COULD FIX IT FOR $1700. I HAVE NEVER IN MY LIFE SEEN A RELAY COSTING $1700. MY BRAKES STILL WORKED, JUST NOT PROPERLY SO I DIDN'T SPEND …
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I BELIEVE TOYOTA HAS KNOWN OF THE BRAKING PROBLEM ALL ALONG. I PURCHASED NEW, A 2002 PRIUS. IN 2008 MY ANTI-LOCKING BRAKE SYSTEM WENT OUT. THE SERVICE MGR. TOLD ME IT NEEDED A NEW RELAY, AND HE COULD FIX IT FOR $1700. I HAVE NEVER IN MY LIFE SEEN A RELAY COSTING $1700. MY BRAKES STILL WORKED, JUST NOT PROPERLY SO I DIDN'T SPEND THE $1700. AS LONG AS TOYOTA CAN GET THEIR CUSTOMERS TO SPEND $1700. THERE IS NO NEED TO HAVE A RECALL. I HAVE AROUND 47000 MILES ON THE VEHICLE AND AM ON MY THIRD SET OF ROTORS AND BRAKE PADS. MY TIRES ACTUALLY LAST LONGER. I BELIEVE THIS BRAKING PROBLEM HAS BEEN AROUND FROM DAY ONE. I THINK RAY LAHOOD SHOULD CHECK FREQUENCY OF THIS REPAIR AGAINST CUSTOMERS RECORDS, IT MIGHT REVEAL A CONSISTENT FAULT. *TR
NHTSA ODI #10307794
86,000 miles · Feb 6, 2010
Vehicle Speed ControlCrashInjury
I DRIVE A USED 2002 TOYOTA PRIUS, WHICH NOW HAS ABOUT 86,000 MILES ON IT. IN NOVEMBER 2009 I WAS PARKING WHEN THE CAR SPONTANEOUSLY ACCELERATED. MY SPEED WAS LESS THAN 2MPH, MY FOOT WAS CONTINUOUSLY ON THE BRAKE WHILE EASING INTO THE PARKING SPACE, PRIOR TO THE UNCONTROLLABLE ACCELERATION. SUDDENLY WITHOUT WARNING I HEARD THE…
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I DRIVE A USED 2002 TOYOTA PRIUS, WHICH NOW HAS ABOUT 86,000 MILES ON IT. IN NOVEMBER 2009 I WAS PARKING WHEN THE CAR SPONTANEOUSLY ACCELERATED. MY SPEED WAS LESS THAN 2MPH, MY FOOT WAS CONTINUOUSLY ON THE BRAKE WHILE EASING INTO THE PARKING SPACE, PRIOR TO THE UNCONTROLLABLE ACCELERATION. SUDDENLY WITHOUT WARNING I HEARD THE ENGINE RACE AND THE CAR BOLTED FORWARD, UNRESPONSIVE TO MY BRAKING. I ONLY STOPPED WHEN MY CAR COLLIDED HEAD ON WITH A PARKED CAR, WHICH WAS MOVED ABOUT TWO FEET BY OUR COLLISION. IT HAPPENED TOO FAST TO EVEN THINK OF CHANGING GEAR INTO NEUTRAL, BECAUSE I WAS ONLY 5 FEET FROM THE OTHER CAR WHEN THE SPONTANEOUS ACCELERATION OCCURRED. AFTER THE ACCIDENT I LOOKED FOR CAUSE AND I DETERMINED THAT NO OBJECT IN THE CAB HAD ACCIDENTALLY PUSHED THE ACCELERATOR PEDAL, INCLUDING THE FLOOR MAT. I BELIEVE THAT BECAUSE OF THE SMALL NUMBER OF DRIVERS EXPERIENCING UNCONTROLLABLE ACCELERATION OUT OF THE MILLIONS OF TOYOTAS SOLD, THAT THE PHENOMENON IS CAUSED BY TWO OR MORE INDEPENDENT ERRORS IN THE VEHICLE ELECTRONICS, OCCURRING UNFORTUNATELY AT THE SAME TIME. THE CONFLUENCE OF TWO UNLIKELY EVENTS HAS EVEN SMALLER PROBABILITY, THEREFORE FEW OCCURRENCES. FOR EXAMPLE IF THE CRUISE CONTROL FAILED TO DISENGAGE AND ALSO THERE WAS A SIGNIFICANT DELAY IN THE SIGNAL FROM BRAKE PEDAL TO BRAKE DRUMS, THE COMBINATION COULD BE TRAGIC. THE TOYOTA PRIUS 2002 MODEL WHICH I DRIVE HAS NOT BEEN RECALLED; HOWEVER SINCE THE ACCIDENT I HAVE BEEN EVER ON THE ALERT, PREPARED TO GEAR INTO NEUTRAL. EVEN THIS VIGILANCE WILL NOT PROVIDE SAFETY IF THE DISTANCE BETWEEN MY CAR AND AN OBSTACLE OR CREVASSE IS SHORT WHEN THE FLAW SURFACES AGAIN; GIVEN THE FINITE SPEED OF HUMAN NERVOUS TRANSMISSION, THE CAR'S SUDDEN, UNCONTROLLABLE ACCELERATION NEEDS TO BE INVESTIGATED. *CN
NHTSA ODI #10307057
49,000 miles · Feb 4, 2010
Vehicle Speed ControlCrashInjury
2002 PRIUS SUDDENLY SPEEDED UP JUST BEFORE I GOT TO WAIST HIGH BACK DECK OF OUR HOUSE. I HIT THE CLIP ON SUNVISOR. HAD 25 STITCHES IN SCALP. HAVE NOT SEEN THIS MODEL IN RECALL. CAR WAS TOTALED. DID NOT HAVE ON SEATBELT AS I WAS ONLY GETTING THE PAPER AT THE END OF LONG DRIVEWAY EARLY IN THE AM.*JB
NHTSA ODI #10306160
Mileage unknown · Nov 28, 2005
Electrical SystemPower TrainVehicle Speed Control
DT: THE CONTACT STATED WHEN THE WARNING LIGHTS CAME ON THE CAR STALLED AND EVENTUALLY CAME TO A COMPLETE STOP. ON SEPTEMBER 6, 2005 THE CAR SLOWED DOWN TO 37 MPH. THE WARNING LIGHTS CAME ON AND THE CAR STOPPED. THE DEALER SAID IT WAS THE ACCELERATOR ASSEMBLY, WHICH WAS REPLACED AT THE CONSUMERS EXPENSE. ON NOVEMBER 14, 2005 T…
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DT: THE CONTACT STATED WHEN THE WARNING LIGHTS CAME ON THE CAR STALLED AND EVENTUALLY CAME TO A COMPLETE STOP. ON SEPTEMBER 6, 2005 THE CAR SLOWED DOWN TO 37 MPH. THE WARNING LIGHTS CAME ON AND THE CAR STOPPED. THE DEALER SAID IT WAS THE ACCELERATOR ASSEMBLY, WHICH WAS REPLACED AT THE CONSUMERS EXPENSE. ON NOVEMBER 14, 2005 THE COOLANT LIGHT CAME ON AND THE VEHICLE WOULD NOT ACCELERATE, AND THEN CAME TO A COMPLETE STOP. THE DEALER SAID IT WAS THE COOLANT SENSOR IN THE TRANSAXLE. THE TRANSAXLE WAS REPLACED AT THE CONTACT'S EXPENSE. AFTER PICKING UP THE CAR ON NOVEMBER 23, 2005 THE PROBLEM STOPPED. PRIOR TO SEPTEMBER 6, 2005 THE ONBOARD COMPUTER WAS REPLACED DUE TO THE AFOREMENTIONED PROBLEM. THE COMPUTER WAS REPLACED UNDER WARRANTY. *AK UPDATED 12/2705. *JB
NHTSA ODI #10143809