NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
41 reportsClear category filter60,400 miles · May 16, 2014
EngineVehicle Speed Control
TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH, THE ENGINE STALLED AND THE ELECTRONIC THROTTLE CONTROL WARNING LIGHT ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE ON THE FIRST ATTEMPT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE …
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TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH, THE ENGINE STALLED AND THE ELECTRONIC THROTTLE CONTROL WARNING LIGHT ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE ON THE FIRST ATTEMPT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE AND CURRENT MILEAGE WAS 60,400.
NHTSA ODI #10588937
Mileage unknown · Jan 31, 2014
Vehicle Speed Control
THE VEHICLE HAS A REDUCE ENGINE DISPLAY AND THE ACCELERATION STARTS TO SLOW DOWN THE CAR TO AROUND 40MPH. SOMETIMES THE CAR WILL SHUT OFF. *TR
NHTSA ODI #10562442
150,000 miles · Oct 26, 2013
EngineFuel/propulsion SystemVehicle Speed Control
MY WIFE'S DAILY DRIVER IS A 2007 IMPALA . SHE WAS DRIVING HOME WITH OUR THREE KIDS WHEN THE CAR STARTED SHAKING AND THE REDUCED ENGINE POWER DISPLAY CAME ON. AFTER THAT SHE COULD ONLY GO ABOUT 25MPH. THIS SCARED HER AND COULD HAVE CAUSED AN ACCIDENT. I LOOKED ONLINE AND FOUND FORUMS ABOUT A LOT OF PEOPLE HAVING THE SAME PROBLEM…
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MY WIFE'S DAILY DRIVER IS A 2007 IMPALA . SHE WAS DRIVING HOME WITH OUR THREE KIDS WHEN THE CAR STARTED SHAKING AND THE REDUCED ENGINE POWER DISPLAY CAME ON. AFTER THAT SHE COULD ONLY GO ABOUT 25MPH. THIS SCARED HER AND COULD HAVE CAUSED AN ACCIDENT. I LOOKED ONLINE AND FOUND FORUMS ABOUT A LOT OF PEOPLE HAVING THE SAME PROBLEM AND IT PISSES ME OFF THAT GM HASN'T RECALLED THESE VEHICLES . DOES SOMEONE HAVE TO DIE BEFORE THIS SITUATION IS TAKEN CARE OF? *TR
NHTSA ODI #10549625
96,000 miles · Jun 24, 2012
Power TrainSteeringVehicle Speed Control
THIS CAR HAS LESS THAN 100K MILES AND CHEVY DEALERSHIPS REFUSE TO DIAGNOSE THE ISSUE WITH THE TRANSMISSIONS AND THERE ARE MULTIPLE COMPLAINTS ABOUT THIS ISSUE THIS CAR IS UNSAFE. THE ISSUE IS RANDOM JERKING OF THE TRANSMISSION UPON TAKING OFF IN TRAFFIC, AT LIGHT, OR FROM STAND STILL HAS CAUSED: (A) MY WHEELS TO SPIN, (B) THE C…
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THIS CAR HAS LESS THAN 100K MILES AND CHEVY DEALERSHIPS REFUSE TO DIAGNOSE THE ISSUE WITH THE TRANSMISSIONS AND THERE ARE MULTIPLE COMPLAINTS ABOUT THIS ISSUE THIS CAR IS UNSAFE. THE ISSUE IS RANDOM JERKING OF THE TRANSMISSION UPON TAKING OFF IN TRAFFIC, AT LIGHT, OR FROM STAND STILL HAS CAUSED: (A) MY WHEELS TO SPIN, (B) THE CAR TO PULL INTO THE NEXT LANE, (C) ALMOST REAR-END COLLISION WITH CAR IN FRONT, AND (D) SUDDEN RAPID ACCELERATION IN TRAFFIC. THE CAR I ALMOST REAR-ENDED WAS A 2007 CHEVY POLICE IMPALA THE OFFICER EXITED HIS CAR ASKED WAS THERE A PROBLEM I TOLD HIM ABOUT THE TRANSMISSION ISSUE AND HE STATED "YEA MINE DOES THAT TOO THIS CAR ISN'T A SAFE ONE" THIS NEED TO BE ADDRESSED NATIONALLY. *TR
NHTSA ODI #10462873
Mileage unknown · Apr 25, 2012
Electrical SystemEngine And Engine CoolingVehicle Speed Control
WHILE I WAS DRIVING AN ERROR MESSAGE APPEARED ON THE PANEL "ENGINE POWER REDUCED". THE CAR IMMEDIATELY SLOWED DOWN AS IF THE ENGINE HAD CUT-OFF COMPLETELY. IT DID NOT AND I WAS ABLE TO DRIVE TO THE SIDE OF THE ROAD AT ABOUT 10 MPH. LUCKILY IT WAS LATE AT NIGHT, THE FEW CARS THAT WERE DRIVING NEAR ME WERE ABLE TO CHANGE LANES BEF…
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WHILE I WAS DRIVING AN ERROR MESSAGE APPEARED ON THE PANEL "ENGINE POWER REDUCED". THE CAR IMMEDIATELY SLOWED DOWN AS IF THE ENGINE HAD CUT-OFF COMPLETELY. IT DID NOT AND I WAS ABLE TO DRIVE TO THE SIDE OF THE ROAD AT ABOUT 10 MPH. LUCKILY IT WAS LATE AT NIGHT, THE FEW CARS THAT WERE DRIVING NEAR ME WERE ABLE TO CHANGE LANES BEFORE A COLLISION OCCURRED. *TR
NHTSA ODI #10456412
21,000 miles · Sep 23, 2011
Vehicle Speed ControlCrashInjury
TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT ATTEMPTING A RIGHT TURN, THE VEHICLE SUDDENLY ACCELERATED AND SHE WAS UNABLE TO ENGAGE THE BRAKES. THE CONTACT MENTIONED THAT THE VEHICLE CRASHED INTO A BRICK WALL. A POLICE REPORT WAS FILED AND THE DRIVER WAS BADLY BRUISED. THE VEHICLE WAS TOWED TO THE DEALER…
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TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT ATTEMPTING A RIGHT TURN, THE VEHICLE SUDDENLY ACCELERATED AND SHE WAS UNABLE TO ENGAGE THE BRAKES. THE CONTACT MENTIONED THAT THE VEHICLE CRASHED INTO A BRICK WALL. A POLICE REPORT WAS FILED AND THE DRIVER WAS BADLY BRUISED. THE VEHICLE WAS TOWED TO THE DEALER WHO WAS NOT ABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 21,000. UPDATED 11/29/11 *BF UPDATED 12/02/11
NHTSA ODI #10426931
50,000 miles · Sep 21, 2011
Engine And Engine CoolingPower TrainVehicle Speed Control
VEHICLE'S TRANSMISSION SLIPS WHEN ACCELERATING, AND ALSO JERKS WHEN IDLING. THIS IS A COMMON ISSUE THAT HAS BEEN REPORTED IN MULTIPLE PLACES BY A LARGE NUMBER OF PEOPLE. ISSUE HAS BEEN INCREASING IN FREQUENCY - MAKING THIS CAR UNSAFE TO DRIVE, YET CHEVROLET HAS NOT BOTHERED TO ADDRESS THE NOW OBVIOUS PROBLEM. *TR
NHTSA ODI #10426570
Mileage unknown · May 17, 2011
EquipmentVehicle Speed Control
2007 CHEVROLET IMPALA. CONSUMER STATES VEHICLE JERKED WHILE DRIVING, THE AIR CONDITIONER WAS CLUCKING, THE ENGINE LIGHT CAME ON AND THE SPEEDOMETER STOPPED WORKING *TGW THE DEALER ADVISED THE CONSUMER THE AIR INLET ACTUATOR AND SPEED SENSOR NEEDED TO BE REPLACED. *JB
NHTSA ODI #10401871
12,500 miles · Jun 11, 2008
Engine And Engine CoolingVehicle Speed Control
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 40 MPH AT 2,000 RPM, THE CONTACT RELEASED THE ACCELERATOR PEDAL AND THE RPM IMMEDIATELY INCREASED. OCCASIONALLY, THE RPM WILL REMAIN THE SAME WHEN PRESSURE IS RELEASED FROM THE ACCELERATOR PEDAL. AFTER THE FAILURE OCCURS, THE VEHICLE WILL CONTINUE TO ACC…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 40 MPH AT 2,000 RPM, THE CONTACT RELEASED THE ACCELERATOR PEDAL AND THE RPM IMMEDIATELY INCREASED. OCCASIONALLY, THE RPM WILL REMAIN THE SAME WHEN PRESSURE IS RELEASED FROM THE ACCELERATOR PEDAL. AFTER THE FAILURE OCCURS, THE VEHICLE WILL CONTINUE TO ACCELERATE FOR A FEW SECONDS. AFTER A PERIOD OF TIME, THE RPM'S WILL RETURN TO NORMAL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, BUT THEY COULD NOT DETERMINE THE CAUSE OF THE FAILURE. THE MECHANIC STATED THAT THERE WAS NOT A SOLUTION TO CORRECT THE FAILURE. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 12,500 AND CURRENT MILEAGE WAS 14,900. UPDATED 7/3/08 *CN UPDATED 07/03/08 *JB
NHTSA ODI #10230745
11,710 miles · Dec 15, 2007
Vehicle Speed ControlCrash
(1) MY WIFE PULLED INTO A PARKING SPACE AT OUR CHURCH AND APPLIED THE BRAKES TO STOP. (2) THE CAR CONTINUED ON ROLLING OVER A CONCRETE BARRIER AND KNOCKING DOWN AN ORNAMENTAL IRON FENCE SURROUNDING THE PARKING LOT AND CONTINUING OUT INTO THE STREET WHERE IT FINALLY STOPPED. IN ADDITION TO THE DAMAGE TO THE FENCE, THERE WAS CONS…
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(1) MY WIFE PULLED INTO A PARKING SPACE AT OUR CHURCH AND APPLIED THE BRAKES TO STOP. (2) THE CAR CONTINUED ON ROLLING OVER A CONCRETE BARRIER AND KNOCKING DOWN AN ORNAMENTAL IRON FENCE SURROUNDING THE PARKING LOT AND CONTINUING OUT INTO THE STREET WHERE IT FINALLY STOPPED. IN ADDITION TO THE DAMAGE TO THE FENCE, THERE WAS CONSIDERABLE DAMAGE TO THE FRONT OF THE CAR. (3) CAUSE OF FAILURE HAS NOT BEEN IDENTIFIED. ON ONE OR TWO PREVIOUS OCCASIONS, WHEN PULLING THE CAR INTO OUR GARAGE I HAVE HAD THE CAR STALL AND THEN SURGE FORWARD. CAR IS BEING TAKEN TO A BODY SHOP TO REPAIR THE DAMAGE. *TR
NHTSA ODI #10211976