NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
31 reportsClear category filterMileage unknown · Sep 30, 2021
Power Train
Check engine light didn't come on until the car no longer went into gear. Prior to light coming on car started jumping like 3 feet when going from park to drive sometimes and would do the same sometimes after proceeding from a stop. After about 2 weeks of doing this car would only go in reverse then the check engine light came o…
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Check engine light didn't come on until the car no longer went into gear. Prior to light coming on car started jumping like 3 feet when going from park to drive sometimes and would do the same sometimes after proceeding from a stop. After about 2 weeks of doing this car would only go in reverse then the check engine light came on. Had it towed to dealer to be serviced. They said i need a new transmission and cost over $6800. Car has been in shop for 3 weeks now. I filed a complaint with you guys and was told to see if Hyundai would make things right and make it a recall since it was a huge safety issue i think. However they said there was nothing they could do cause my warranty was up cause I'm almost to 130000 miles. That shouldn't even matter it was still a safety issue. I was reading and found that a lot of people were having similar issues and Hyundai does nothing about it.
NHTSA ODI #11434949
Mileage unknown · Aug 1, 2021
Power Train
My vehicle started to have a slight delay when shifted from park to drive. Within a week's time the delay turned to a very hard shift which made car jump fast and hard making tires screech yet there was no check engine light. Then it started slipping out of gear on highway then it wouldn't go into the last gear and when in stop …
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My vehicle started to have a slight delay when shifted from park to drive. Within a week's time the delay turned to a very hard shift which made car jump fast and hard making tires screech yet there was no check engine light. Then it started slipping out of gear on highway then it wouldn't go into the last gear and when in stop and go traffic fall out of gear when stopped then thrust really hard burning rubber when accelerating so had to distance myself far behind other cars so I wouldn't crash into them trying to accelerate after a stop. I get home safely let my vehicle rest a few hours before attempting to take car to be inspected. So I back out of drive way and my car doesn't go into drive at all and then the check engine light comes on. Now I have a friend bring scanner and the code P0722 comes up. I am disabled and on a fixed income still paying on the car. Luckily I broke down in front of my house.
NHTSA ODI #11427357
100,000 miles · Jan 22, 2021
EnginePower Train
TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED THAT AFTER THE VEHICLE HAD BEEN DRIVEN FOR OVER AN HOUR, THE VEHICLE SHUT-OFF WHILE DRIVING AT VARIOUS SPEEDS. THE CONTACT STATED THAT THE OIL WARNING LIGHT FLASHED ON THE INSTRUMENT PANEL PRIOR TO THE FAILURE. THE CONTACT HAD TAKEN THE VEHICLE TO TWO INDEPENDENT ME…
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TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED THAT AFTER THE VEHICLE HAD BEEN DRIVEN FOR OVER AN HOUR, THE VEHICLE SHUT-OFF WHILE DRIVING AT VARIOUS SPEEDS. THE CONTACT STATED THAT THE OIL WARNING LIGHT FLASHED ON THE INSTRUMENT PANEL PRIOR TO THE FAILURE. THE CONTACT HAD TAKEN THE VEHICLE TO TWO INDEPENDENT MECHANICS WHO WERE UNABLE TO DUPLICATE THE FAILURE. NEITHER THE DEALER NOR THE MANUFACTURER WERE NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000.
NHTSA ODI #11389404
50,000 miles · Oct 26, 2020
Power Train
TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED WHILE DRIVING 15 MPH, AN ABNORMAL ODOR AND AN ABNORMAL SOUND WAS HEARD COMING FROM THE VEHICLE. THE VEHICLE LOSS MOTIVE POWER WITHOUT WARNING. THE CONTACT STATED THAT VEHICLE WAS LEAKING FUEL FROM THE FRONT OF THE VEHICLE. THE CONTACT VEERED TO THE SHOULDER OF THE R…
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TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED WHILE DRIVING 15 MPH, AN ABNORMAL ODOR AND AN ABNORMAL SOUND WAS HEARD COMING FROM THE VEHICLE. THE VEHICLE LOSS MOTIVE POWER WITHOUT WARNING. THE CONTACT STATED THAT VEHICLE WAS LEAKING FUEL FROM THE FRONT OF THE VEHICLE. THE CONTACT VEERED TO THE SHOULDER OF THE ROAD, TURNED OFF AND RESTARTED THE VEHICLE HOWEVER, THE VEHICLE FAILED TO RESUME NORMAL OPERATION. THE VEHICLE WAS TOWED TO THE RESIDENCE. THE FOLLOWING DAY THE VEHICLE WAS TOWED TO WAYNE MAZDA (1244 STATE ROUTE 23, WAYNE, NJ 07470) WHERE IT WAS DIAGNOSED AND IT WAS DETERMINED THAT THE TRANSMISSION FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE CONTACT WAS INFORMED THAT THE WARRANTY WAS EXPIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 50,000.
NHTSA ODI #11366387
106,894 miles · Jul 25, 2020
EngineFuel/propulsion SystemPower Train
I WAS DRIVING ON THE STREET WHEN I REACHED A STOP LIGHT. I CAME TO A COMPLETE, FULL, AND SAFE STOP. THE CAR WAS STATIONARY. AND BEFORE THIS DAY THAT THIS ALL HAPPENED, THE CAR WAS IN PERFECT DRIVING CONDITION. NOTHING WAS WRONG FROM WHAT I COULD TELL. I THEN TURNED THE CAR OFF AND TURNED IT BACK ON, IN THE FRONT OF TRAFFIC FORMI…
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I WAS DRIVING ON THE STREET WHEN I REACHED A STOP LIGHT. I CAME TO A COMPLETE, FULL, AND SAFE STOP. THE CAR WAS STATIONARY. AND BEFORE THIS DAY THAT THIS ALL HAPPENED, THE CAR WAS IN PERFECT DRIVING CONDITION. NOTHING WAS WRONG FROM WHAT I COULD TELL. I THEN TURNED THE CAR OFF AND TURNED IT BACK ON, IN THE FRONT OF TRAFFIC FORMING BEHIND ME. IT KEPT SHUTTING OFF EVERY TIME I WOULD STOP OR SLOW DOWN. IT HAPPENED ABOUT 7 TIMES BEFORE I WENT BACK TO THE DEALERSHIP I BOUGHT IT FROM.
NHTSA ODI #11341433
55,970 miles · May 21, 2020
EngineFuel/propulsion SystemPower Train
I HAVE HAD PROBLEMS WITH MY VEHICLE FOR A YEAR NOW. I TOOK THE CAR TO HYUNDAI SEVERAL TIMES TO GET MY VEHICLE SERVICE AND EACH TIME THEY WERE UNABLE TO DUPLICATE THE PROBLEM. THE PROBLEMS I AM EXPERIENCING ARE A DELAY IN ACCELERATION, CAR SHUTS OFF OCCASIONALLY WHILE DRIVING, CAR SHUT OFF OCCASIONALLY WHEN SWITCHING TO REVERSE, …
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I HAVE HAD PROBLEMS WITH MY VEHICLE FOR A YEAR NOW. I TOOK THE CAR TO HYUNDAI SEVERAL TIMES TO GET MY VEHICLE SERVICE AND EACH TIME THEY WERE UNABLE TO DUPLICATE THE PROBLEM. THE PROBLEMS I AM EXPERIENCING ARE A DELAY IN ACCELERATION, CAR SHUTS OFF OCCASIONALLY WHILE DRIVING, CAR SHUT OFF OCCASIONALLY WHEN SWITCHING TO REVERSE, THE CAR ALWAYS SHAKES AND MAKES A WEIRD NOISE JUST BEFORE SHUTTING OFF. THE CAR JERKS WHEN DRIVING SPONTANEOUSLY, LOW TAPPING NOISE UNDER THE HOOD THAT COULD BE HEARD INSIDE THE VEHICLE. I HAVE VIDEOS OF MY CAR SHUTTING OFF WHILE DRIVING AND BACKING UP. I ALSO HAVE VIDEOS OF THE TAPPING NOISE AND SHAKING JUST BEFORE SHUTTING OFF. THE LAST TIME I TOOK MY CAR TO BE SERVICED I WAS TOLD THAT THE OIL PRESSURE PUMP AND EXHAUST CVT NEED REPLACEMENT. I WAS TOLD THE HYUNDAI TECHLINE INSTRUCTED THE TECHNICIAN NOT TO MAKE ANY REPAIRS BECAUSE THE TECHNICIAN WAS UNABLE TO DUPLICATE THE PROBLEM. I WAS ADVISED BY A HYUNDAI CASE MANAGER TO TAKE MY VEHICLE TO ANOTHER HYUNDAI SHOP TO SEE IF THEY CAN DUPLICATE THE PROBLEM. *TR
NHTSA ODI #11325480
78,800 miles · May 15, 2019
EnginePower Train
I AM TOLD I NEED TO HAVE MY ENGINE REPLACED. MY CAR HAD BEEN MAKING TICKING AND KNOCKING NOISES AS IF IT WAS STRUGGLING TO FUNCTION. THE DAY IT BROKE DOWN, IT WAS BEGINNING TO KNOCK EXCEPTIONALLY LOUD. I WAS AFRAID IT WAS GOING TO STALL WHILE DRIVING AS THE CAR WOULD NOT ACCELERATE WHEN I PUSHED ON THE GAS PEDAL. IT STALLED A…
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I AM TOLD I NEED TO HAVE MY ENGINE REPLACED. MY CAR HAD BEEN MAKING TICKING AND KNOCKING NOISES AS IF IT WAS STRUGGLING TO FUNCTION. THE DAY IT BROKE DOWN, IT WAS BEGINNING TO KNOCK EXCEPTIONALLY LOUD. I WAS AFRAID IT WAS GOING TO STALL WHILE DRIVING AS THE CAR WOULD NOT ACCELERATE WHEN I PUSHED ON THE GAS PEDAL. IT STALLED AGAIN AT THE NEXT INTERSECTION. THEN WOULD NOT START AT ALL. I HAD TO ASK FOR HELP TO PUSH MY CAR TO A SAFE AREA. THIS HAPPENED ON A CITY STREETS. I HAD THE CAR TOWED TO THE HYUNDAI DEALERSHIP BELIEVING IT WAS COVERED UNDER WARRANTY. I WAS TOLD I NEEDED A NEW ENGINE AT A COST OF ABOUT $8,000. IF I REPLACE THE ENGINE WITH THE SAME ENGINE, WHO'S TO SAY THIS WON'T HAPPEN AGAIN? I BOUGHT THE HYUNDAI BECAUSE OF THE 10 YEAR/100,000 MILE WARRANTY KNOWING I'D BE PUTTING ON THE MILES FOR WORK. I DON'T EXPECT ENGINE FAILURE AT THE 78,800 MILES (I BOUGHT IT USED FROM ENTERPRISE CAR SALES WITH 18,000 MILES ON IT). THE SELLING POINT WAS THE 10 YEAR/100,000 MILE WARRANTY THAT I EXPECTED TO HAVE. I LEARNED IT DOES NOT PASS TO THE SECOND OWNER. WHY NOT? HOW DOES THE DRIVER CHANGE THE APPARENTLY DEFECTIVE MANUFACTURING OF THE ENGINE?! AS I PRESSED ON WITH THE HYUNDAI REPRESENTATIVE, HE TOLD ME (AFTER CONSULTING WITH HIS SUPERVISOR) IT IS ONLY COVERED FOR A SECOND OWNER IF IT WAS A CERTIFIED PRE-OWNED VEHICLE. I SAID IT WAS CPO AND THAT IS HOW ENTERPRISE MARKETED THEIR VEHICLES. HYUNDAI THEN SAID THE OWNERSHIP FOR THE WARRANTY IS UNDER ALAMO/ENTERPRISE, NOT ME. NEWS TO ME, BUT, AGAIN, WHY DOES IT MATTER IF THE ENGINE IS DEFECTIVE? THESE "NU" ENGINES HAVE ALREADY BEEN ESTABLISHED TO BE DEFECTIVE. WHAT ENGINE BITES THE DUST AT 78,800 MILES? MY CAR WAS SERVICED REGULARLY ALTHOUGH NOT BY THE DEALERSHIP. THE REPRESENTATIVE THEN PROCEEDED TO TELL ME THE WARRANTY WOULD BE INVALID ANYWAY IF IT WAS NOT SERVICED BY HYUNDAI.
NHTSA ODI #11207660
111,814 miles · Oct 18, 2018
Power Train
TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED THAT THE TRANSMISSION STARTED SLIPPING AND ABNORMAL CLICKING NOISES WERE HEARD. THE DEALER (SPORT DURST HYUNDAI, 4507 DURHAM-CHAPEL HILL BLVD, DURHAM, NC 27707) WAS CONTACTED, BUT THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAI…
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TL* THE CONTACT OWNS A 2016 HYUNDAI ELANTRA. THE CONTACT STATED THAT THE TRANSMISSION STARTED SLIPPING AND ABNORMAL CLICKING NOISES WERE HEARD. THE DEALER (SPORT DURST HYUNDAI, 4507 DURHAM-CHAPEL HILL BLVD, DURHAM, NC 27707) WAS CONTACTED, BUT THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 111,814.
NHTSA ODI #11141240
Mileage unknown · May 4, 2018
Power Train
THIS 2016, HYUNDAI ELANTRA SPORT SUFFERS FROM DANGEROUS HESITATION WHEN ACCELERATING FROM A STOP. THIS IS DANGEROUS BECAUSE WHEN PULLING OUT INTO TRAFFIC THERE IS AN EXPECTATION OF HAVE ACCELERATION FROM A STOP. THIS HAS OCCURRED ON NUMEROUS OCCASIONS SINCE THE CAR WAS NEW. I CALLED THE DEALER ABOUT A YEAR AGO AND ASKED IF TH…
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THIS 2016, HYUNDAI ELANTRA SPORT SUFFERS FROM DANGEROUS HESITATION WHEN ACCELERATING FROM A STOP. THIS IS DANGEROUS BECAUSE WHEN PULLING OUT INTO TRAFFIC THERE IS AN EXPECTATION OF HAVE ACCELERATION FROM A STOP. THIS HAS OCCURRED ON NUMEROUS OCCASIONS SINCE THE CAR WAS NEW. I CALLED THE DEALER ABOUT A YEAR AGO AND ASKED IF THERE WAS ANY TRANSMISSION REPROGRAMMING OR ANYTHING ELSE THE FACTORY HAD DEVELOPED TO CURE THIS PROBLEM THEY SAID NO. TODAY IT WAS PARTICULARLY DANGEROUS WHEN I PULLED OUT AND IT JUST WOULD NOT GO FOR SEVERAL SECONDS. BARELY MISSED BEING INVOLVED IN A HEAD ON COLLISION. I BELIEVE IT IS TIME THIS GETS REPORTED AS A SIGNIFICANT SAFETY DEFICIENCY. WE HAD BOUGHT THE "SPORT" VERSION OF THE CAR TO GET BETTER ACCELERATION FROM ITS LARGER ENGINE, BECAUSE SOME OWNERS HAD COMPLAINED THAT IT WAS WEAK OF ACCELERATION, BUT THIS DID NOT CURE THE PROBLEM. IT IS ONLY A PROBLEM ON ACCELERATING FROM A STOP. MOVING ACCELERATION IS PRETTY GOOD.
NHTSA ODI #11091911
5,000 miles · Apr 13, 2016
Power Train
I WAS DRIVING ON A CITY STREET GOING APPROX. 30 MPH WHEN THE CAR FELT LIKE IT HAD DOWNSHIFTED INTO A LOW GEAR. THE TACHOMETER WA REVVING BETWEEN 4,000 AND 5,000 RPMS EVEN THOUGH I WAS SLOWING. I PULLED TO THE SIDE OF THE ROAD BUT WAS UNABLE TO PUT THE CAR IN PARK AS THE GEAR SHIFT WAS STUCK IN DRIVE. AFTER SEVERAL ATTEMPTS TO PU…
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I WAS DRIVING ON A CITY STREET GOING APPROX. 30 MPH WHEN THE CAR FELT LIKE IT HAD DOWNSHIFTED INTO A LOW GEAR. THE TACHOMETER WA REVVING BETWEEN 4,000 AND 5,000 RPMS EVEN THOUGH I WAS SLOWING. I PULLED TO THE SIDE OF THE ROAD BUT WAS UNABLE TO PUT THE CAR IN PARK AS THE GEAR SHIFT WAS STUCK IN DRIVE. AFTER SEVERAL ATTEMPTS TO PUT THE CAR IN PARK, I PULLED THE GEAR SHIFT DOWN AS LOW AS IT WOULD GO PAST D(RIVE) AND THEN I WAS ABLE TO PUSH IT UP INTO THE PARK POSITION. ONCE I PUT THE CAR BACK INTO DRIVE AGAIN THE ENGINE AND TRANSMISSION WERE NORMAL.
NHTSA ODI #10855371
NHTSA investigations
1DP21003 · Throttle Control System Vulnerabilities
Opened Nov 12, 2021 · Closed Jun 20, 2023
Status: closed (inferred from source dates) · Vehicle Speed Control:throttle
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003. Accordingly, Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007-2016 Hyundai Elantra, MY 2007-2016 Hyundai Santa Fe, MY 2006-2015 Hyundai Sonatas are all part of the subject population. The petition was originally filed as a Vehicle Owner Questionnaire that can be reviewed at NHTSA.gov under reference (ODI) number 11439675.On November 12, 2021, ODI opened Defect Petition DP21-003 to evaluate the petitioner?s request. ODI performed trend analyses of the VOQs related to vehicle speed control issues for all the subject vehicles and found that none of the 52 Model/Model Year Hyundai/Kia vehicles demonstrated any actionable trend that warranted an investigation.Petitioners submitted 1119 VOQs and non-VOQ cases in which sudden uncommanded acceleration (SUA) or loss of motive power (LOMP) incidents were alleged.For the 1119 reports, 220 were incidents involving crashes, from which 69 subject Hyundai-Kia vehicles were inspected by Hyundai/Kia dealer technicians, Hyundai/Kia engineers, and/or third-party representatives.ODI found the inspections identified no vehicle defects related to the ETC system.Of the 220 crash-involved reports, 13 Event Data Recorder (EDR) records were downloaded successfully and 11 of those indicated driver error: (i.e.) pedal misapplication.A condition where the accelerator pedal is mistakenly applied instead of the brake pedal when the driver wants to stop the vehicle.In addition, ODI reviewed a scientific journal paper published in Forensic Science International in 2016 by Mr. Park et al ., as well as related test videos. ODI does not believe there is any evidence of uncontrollable SUA occurrences in any of the tests reviewed. NHTSA's Office of Vehicle Safety Compliance (OVSC) reviewed the allegations regarding the potential noncompliance with Federal Motor Vehicle Safety Standard No. 124.Based on the information provided, the Agency concludes there is insufficient information for us to determine if a possible non-compliance exists.Finally, both Hyundai and Kia informed ODI that all their vehicles manufactured after 2012 were equipped with an ETC management system, in which the engine speed will go to idle when the system sees signals from both the brake pedal and accelerator pedal at the same time; this is commonly known as the brake-throttle override system.After thoroughly assessing the material submitted by the petitioner, information already in NHTSA's possession, information submitted by Hyundai and Kia in response to an Information Request letter, and the potential risks to safety implicated by the petitioner's allegation, NHTSA does not believe that a formal investigation is warranted. After full consideration of appropriate factors, the petition is denied. A Federal Register Notice (FRN) further detailing NHTSA?s reasons for denial of the petition will be published.