There are 20 owner-reported speed control & cruise complaints for the 2017 Toyota Corollain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Recently purchased a used 2017 Toyota Corolla. During the test drive I did not attempt to use the cruise control as it was only driven on city or small highways. Travel with the car at those locations has been good. Yesterday while on a freeway, I used the cruise control. It started out okay, but when I got to a downhill or uphill location, the car engine got very loud. The rpm’s revved to an extremely high level and the car accelerated and kept accelerating beyond the cruise set speed. I became very scared and didn’t know what was happening. Luckily I had quick thinking to hit the brakes immediately. I actually pulled over and stopped due to the issue and my nerves. The engine looked okay so once calmed, I began traveling again. I wanted to use the cruise on the freeway, so attempted a second time later. The same exact thing happened in the uphill / downhill scenario. I realized there is something wrong and it is not a good issue at all! This morning I began researching things related to the car. Prior to my purchase, I had checked for any outstanding recalls (which there were none) and problems people may have had with this car. There were no general concerning things I saw. This morning I began searches specific to cruise control issues and found discussions and even videos pertaining to cruise problems. People mention an array of scenarios and possible reasons such as the brake pedal sensor not working. Then I came across this site where other people described the same exact problem and safety concern of mine. I agree with all of them that it is definitely scary and thank goodness the brake works otherwise it would be a MAJOR safety concern!! I am now concerned and wondering why after many people have problems with this, there is not a fix or something being done?
The contact owns a 2017 Toyota Corolla. The contact stated that while driving at an undisclosed speed, the engine revved and the vehicle experienced unintended acceleration. The vehicle crashed into a concrete barrier while turning into a parking space. The contact was not able to depress the brake pedal in time to stop the vehicle. No air bags were deployed. No injury was sustained and no medical attention was received. A police report was filed. The vehicle was towed to a body shop; however, the vehicle was not diagnosed nor repaired. The vehicle was not deemed totaled by the insurance company. The manufacturer was not made aware of the failure. The failure mileage was approximately 55,000.
Vehicle went out of control in regards of speed when traveling downhill with cruise control on. Vehicle began heavily decelerating and accelerating along with high engine rpm. This is extremely dangerous and I am unable to use cruise control because of it.
WHEN GOING DOWN HILL, THE CRUISE CONTROL RACES THE ENGINE INTO HIGH RPM (4000+ RPM) RATHER THAN SLOWING THE ENGINE AND CONTROLLING THE CAR SPEED. IT HAS DONE THIS SINCE IT WAS NEW.
WHEN CRUISE CONTROL ENGAGED, IF IT HITS A LEVEL OR DOWN HILL IT APPEARS TO DOWN SHIFT, BUT CONTINUE TO SPEED UP. IT SHOULD JUST REDUCE THE FUEL TO SLOW DOWN. THIS APPEARS TO BE A PROGRAM PROBLEM. THIS HAPPENS AT ALL SPEEDS. IT WAS BOUGHT USED FROM A TOYOTA DEALER. I HAVE NOT ASKED THE SERVICE DEPARTMENT YET.
WHEN GOING DOWNHILL ON CRUISE CONTROL MY COROLLA'S RPM'S GO UP TO 5000 AND INSTEAD OF KEEPING STABLE SPEEDS IT INCREASES THE SPEEDS. I FEEL LIKE I CAN'T CONTROL MY VEHICLE WHEN THIS HAPPENS. THIS IS A HUGE SAFETY ISSUE. I'M NOT SURE IF SOMETHING NEEDS TO BE RE-PROGRAMMED BUT I'VE SEEN SO MANY COMPLAINTS ON THIS ISSUE. I WOULDN'T BE SURPRISED IF A WRECK HAS HAPPENED BECAUSE OF THIS. TOYOTA NEEDS TO BE FORCED TO FIX THIS ISSUE BEFORE SOMEONE SERIOUSLY GETS HURT OR DIES.
WHILE COMING OUT OF A REVERED POSITION, I WAS DRIVING FORWARD AND MY BRAKES VIBRATED. THIS CAUSED MY CAR TO STALL WHILE IN THE DRIVING POSITION.
RED BRAKE LIGHT, ABS, VSC, POWER STEERING, AND MIL LIGHTS CAME ON. DTC'S U0129.
AS OTHERS HAVE REPORTED THE CRUISE CONTROL ON A DOWN HILL SLOPE GOES OUT OF CONTROL. AS I REACH THE TOP OF THE HILL AND START DOWN THE CRUISE CONTROL WILL ACCELERATE TO 4000 RPM AND THE SPEED WILL INCREASE 10-15 MPH OVER WHAT THE CRUISE CONTROL IS SET AT. I MUST TURN OFF THE CRUISE CONTROL TO REGAIN CONTROL OVER THE SPEED. SOMETHING IS WRONG WITH THE PROGRAMMING OF THE CRUISE CONTROL. ON DOWN HILL THE CRUISE CONTROL SHOULD BE REDUCING FUEL TO MAINTAIN SPEED NOT INCREASE IT. I AM A POLICE OFFICER AND THIS CRUISE CONTROL IS A HAZARD.
BOUGHT THE CAR LAST APRIL, IT HAS GIVEN ME NO PROBLEMS, UNTIL NOW. THE CAR START TO LOOSE ACCELERATION WHEN DRIVING ALMOST GOT INTO TWO CAR ACCIDENT ON THE ROAD, CALLED TOYOTA BUT THEY WANT TO CHARGE ME TO INSPECT THE CAR, THE CAR SEEMS TO BE STUCK ON GEARS LIKE IF IT WAS ON NEATRUAL.
WAS DRIVING IN MIDDLE LANE OF INTERSTATE 10 WHEN VEHICLE LOST POWER. CAR WOULD NOT ACCELERATE. CAR COASTED FOR APPROX. 5 MINUTES. HAD TO PUT ON EMERGENCY FLASHER, PUT CAR IN PARK TO RESTART ENGINE. CARS COMING UP BEHIND ME DOING 75/80/85 MILES PER HOUR AND HAD TO SWERVE IMMEDIATELY TO KEEP FROM HITTING MY VEHICLE. I HAD A FRIEND IN PASSENGER SEAT AND WE WERE BOTH SCARED FOR OUR LIVES. TO THIS DAY, I AM AFRAID TO DRIVE ON INTERSTATE OR ANY OTHER BUSY HIGHWAY BECAUSE TOYOTA SAID THEY COULD NOT FIND ANY PROBLEM.
ADAPTIVE CRUISE CONTROL CAUSES THE CAR TO DOWN-SHIFT UNNECESSARILY ON A STRAIGHT DOWNHILL GRADE AND SOMETIMES INCREASES THE SPEED BY AS MUCH AS 8-10 MPH. I FEEL OUT OF CONTROL, WHICH IS DANGEROUS. A TOYOTA TECHNICIAN HAS CONFIRMED THE SAME BEHAVIOR ON ANOTHER 2017 COROLLA. ON ONE OCCASION, ON A FREEWAY DOWNHILL WHERE THE SPEED COULD HAVE EASILY BEEN CONTROLLED BY LETTING OFF THE GAS, THE CAR DOWNSHIFTED TO D3, REVS WENT TO ABOUT 4000, AND THE SPEED INCREASED TO 70MPH - WHEN IT WAS SET TO ABOUT 62. ON ANOTHER OCCASION, ON A RELATIVELY FLAT, STRAIGHT FREEWAY ROAD, IT AGAIN DOWNSHIFTED FOR NO APPARENT REASON, AND THE SPEED AGAIN INCREASED OVER THE SET SPEED (OF COURSE THE REVS WERE HIGHER AGAIN). IN BOTH OF THE ABOVE CASES, THERE WAS NO CAR OR OTHER OBSTACLE IN FRONT OF ME THAT SHOULD CAUSE THE CAR TO SLOW DOWN. I'VE SEEN THE ADAPTIVE CRUISE RESPOND TO A CAR TOO CLOSE SO KNOW HOW THAT FEELS.
THE VEHICLE DOES THIS 100% OF THE TIME. WHEN ON THE ADAPTIVE CRUISE CONTROL ON THE INTERSTATE THERE ARE OCCASIONS WHERE THE CRUISE WILL GO 14 MPH ABOVE THE SET LIMIT AND THE ENGINE IS AT 4000 RPM OR HIGHER. I TYPICALLY DRIVE AT 65 MPH ON THE INTERSTATE; THIS IS CAUSING ME TO GO TO OVER 75 MPH WHILE THE SYSTEM IS TRYING TO RECOVER BACK TO 65MPH. I ALSO OWN A 2017 TOYOTA RAV4 AND DRIVE THE SAME ROADS; THE CRUISE IS 'ROCK STEADY'. IT HOLDS AT A CONSTANT 65MPH.
CAR SPEEDS UP AT STOP OR LOW SPEEDS ON HIGHWAY AND STREETS STOP AND GO TRAFFIC
ON INTERSTATE IN WESTERN MARYLAND AND WEST VIRGINIA, ROAD CURVES TO LEFT, GOING UPHILL (STEEP) AT 70 MPH AND 4000+ RPM IN DRIVE, 3 LANES, TRUCK IN "SLOW" RIGHT LANE (40MPH), COROLLA IN MIDDLE LANE, LEFT LANE EMPTY. SAFET SENSE "SEES" TRUCK AND HITS BRAKES. NO ONE BEHIND, THANKS. POSSIBLE REAR END COLLUSION. SERIOUS SAFETY FAULT. DIFFICULT FOR COROLLA TO REGAIN SPEED. DOES NOT HAPPEN ON RIGHT CURVE AS THOSE VEHICLES IN LEFT LANE ARE MOVING FASTER THAN COROLLA.
THE VEHICLE WAS TRAVELING IN THE LEFT LANE OF A DIVIDED 4 LANE HIGHWAY AT A SPEED OF 55 MPH WITH THE SPEED CONTROL AND RADAR ENGAGED. THE ROAD CURVED SLIGHTLY TO THE RIGHT. THE VEHICLE APPROACHED A CAR STOPPED IN THE LEFT TURN LANE IN THE MEDIAN - NOT IT THE LANE OF TRAVEL. DUE TO THE CURVATURE OF THE ROAD, THE RADAR DETECTED THE STOPPED VEHICLE AND APPARENTLY BELIEVED IT TO BE IN THE PATH OF TRAVEL. THE RADAR/SPEED CONTROL SOUNDED ITS "COLLISION ALARM" AND RAPIDLY DECELERATED APPROXIMATELY 10 - 15 MPH BEFORE I COULD DISENGAGE IT AND REGAIN CONTROL. HAD THERE BEEN A VEHICLE FOLLOWING ME THIS COULD HAVE RESULTED IN A COLLISION AS A FOLLOWING DRIVER WOULD HAVE SEEN THAT THE LANE OF TRAVEL WAS CLEAR AND WOULD HAVE NO REASON TO EXPECT MY VEHICLE TO SUDDENLY DECELERATE. I HAVE EXPERIENCED SIMILAR ISSUES WHEN A VEHICLE IN FRONT OF ME TURNS RIGHT OR LEFT AT AN INTERSECTION. I CAN SEE THAT THE VEHICLE IS TURNING AND I KNOW HOW LONG IT WILL TAKE TO CLEAR THE TRAVEL LANE. THE RADAR SPEED CONTROL SYSTEM SEEMS TO DETECT THE SLOWING VEHICLE BUT TAKES A LONG TIME TO PROCESS WHAT IS HAPPENING. THE SPEED CONTROL WILL ABRUPTLY DECELERATE THE VEHICLE AFTER THE TURNING VEHICLE IS WELL OUT OF THE INTERSECTION. AGAIN, THE SUDDEN DECELERATION WITHOUT APPARENT TRAFFIC CONDITIONS TO WARRENT SUCH ACTION ARE A HAZARD TO THE VEHICLE AND ANY FOLLOWING VEHICLES. I TOOK THE VEHICLE TO THE SERVICE DEPARTMENT AT AT TOYOTA OF GOLDSBORO (NC) ON OCTOBER 23, 2017. THEIR OPINION WAS THAT THE SPEED CONTROL/RADAR WAS "OPERATING AS DESIGNED."
DISAPPOINTED WITH TOYOTA ON THIS, LAST ONE I WILL PURCHASE IF THEY ARE UNABLE TO PROVIDE A FIX! WHILE IN MOTION ON EVERY OCCASION THE CRUISE CONTROL IS ENGAGED AND THE VEHICLE IS ON A DECLINE THE CRUISE CONTROL DOES NOT MAINTAIN THE SET SPEED. THIS IS THE FIRST TIME OF 4 OTHER COROLLA'S I HAVE OWNED THAT RESPONDED LIKE THIS. DEPENDING ON THE SEVERITY OF THE DECLINE THE SPEED WILL INCREASE FROM 5 TO 15 MPH AND THE ENGINE REVS TO 4,000 RPMS IN AN ATTEMPT TO MAINTAIN SPEED. ADAM'S TOYOTA DEALERSHIP HAS STATED THAT THIS IS A NORMAL OCCURRENCE FOR ALL 2017 COROLLA'S CVT'S AND I MAINTAIN IT'S NOT AND CRUISE IS USELESS THEREFORE I SHOULD BE REIMBURSED. THE CRUISE CONTROL IN ALL OTHER VEHICLES (PRIOR COROLLA'S AND OTHER MAKES) I HAVE OWNED HAS MAINTAINED A CONSISTENT SPEED NO MATTER THE ROAD BEING TRAVELED. SINCE I HAVE OWNED THIS VEHICLE THIS ISSUE HAS OCCURRED EVERY TIME I HAVE ENGAGED THE CRUISE CONTROL. OTHERS ONLINE HAVE COMPLAINTS ON THIS ISSUE AS WELL. TOYOTA PLEASE PROVIDE FIX
SPEED CONTROL ENGAGED GOING DOWNHILL ON HIGHWAY AT 60 MPH - CAR ACCELERATES VERY QUICKLY TO OVER 70 MPH AND THE TAC GOES TO 4500. TO DISENGAGE I EITHER TURNOFF SPEED CONTROL OR BRAKE. THIS HAPPENED FOUR TIMES TODAY. I HAVE NEVER HAD A TOYOTA ACT LIKE THIS. USUALLY SPEED CONTROL MAINTAINS THE SPEED UPHILLL OR DOWNHILLL IN A VERY SMALL RANGE AND NEVER RACES THE ENGINE. THIS IS VERY DANGEROUS AND I WILL NOT USE SPEED CONTROL UNTIL I CAN GET THIS FIXED. TAKING TO TOYOTA MONDAY. I NOTICED THAT THERE ARE QUITE A FEW COMPLAINTS ON THE INTERNET ABOUT THIS EXACT PROBLEM.
THE CVT TRANSMISSION MAKE A SOUND UNKNOW THE DEALER SAY ME THAT IS ALL NORMAL IN THE CAR FOR ME IS NOT NORMAL OTHER CARS CONTAIN CVT TRANSMISSION AND THIS SOUND NOT MAKE IN OTHERS CVT TRANSMISSION IS MORE MAKING SOUND IN CLIMB AND WHEN ON AIR CONDITIONER
WHEN THE CRUISE CONTROL IS ENGAGED AND THE VEHICLE IS ON A DECLINE THE CRUISE CONTROL DOES NOT MAINTAIN THE SET SPEED. DEPENDING ON THE SEVERITY OF THE DECLINE THE SPEED WILL INCREASE FROM 5 TO 15 MPH. WHEN USING THE ACCELERATOR PEDAL AND MAINTAINING THE EXACT SAME PRESSURE THE VEHICLE ONLY INCREASES SPEED MINIMALLY (2 TO 3 MPH) ON THE DECLINE. WHEN IN CRUISE CONTROL THE SPEED INCREASE IS VERY DRASTIC. THE TOYOTA DEALERSHIP HAS STATED THAT THIS IS A NORMAL OCCURRENCE AND THAT THEY HAVE TESTED SEVERAL SAME MODEL AND YEAR TOYOTA VEHICLES AND ALL HAVE THE SAME SPEEDING TENDENCIES SO THIS IS NORMAL. THE DEALERSHIP STATED THAT THE FIX IS TO ENGAGE THE MANUAL TRANSMISSION MODE TO USE THE ENGINE COMPRESSION TO SLOW THE VEHICLE DOWN. I HAVE FOLLOWED THERE ADVICE AND THIS DOES NOT RECTIFY THE PROBLEM. THE CRUISE CONTROL IN ALL VEHICLES I HAVE OWNED IS USED TO MAINTAIN A CONSISTENT SPEED NO MATTER THE TERRAIN BEING TRAVERSED. THIS ISSUE HAS OCCURRED EVERY TIME WE HAVE ENGAGED THE CRUISE CONTROL ON THE VEHICLE WHILE DRIVING ON A HIGHWAY THAT HAS A DECLINE. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026