Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
200–25K
925–50K
1450–75K
2175–100K
29100–150K
1150K+
94 reports with mileage · 107 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Engine. Review the 110 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes, Hydraulic. Review the 41 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
4 crash reports3 fire reports2 injury reports
What owners actually said
201 reports
8,900 miles · Nov 23, 2015
Exterior LightingService BrakesSteering
ADDENDUM TO COMPLAINT #10806179: DASHBOARD WARNING LIGHTS THAT KEEP COMING ON AND OFF AND PERMANENTLY STAYING ON ARE THE PARKING BRAKE, ABS SERVICE INDICATOR, 4WD SYSTEM WARNING LIGHT, LOW TIRE PRESSURE TELLTALE. ALL OF THESE WARNING LIGHTS TELL YOU TO BRING TO YOUR DEALER AS SOON AS POSSIBLE AS SEVERE INJURY OR DEATH COULD OC…
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ADDENDUM TO COMPLAINT #10806179: DASHBOARD WARNING LIGHTS THAT KEEP COMING ON AND OFF AND PERMANENTLY STAYING ON ARE THE PARKING BRAKE, ABS SERVICE INDICATOR, 4WD SYSTEM WARNING LIGHT, LOW TIRE PRESSURE TELLTALE. ALL OF THESE WARNING LIGHTS TELL YOU TO BRING TO YOUR DEALER AS SOON AS POSSIBLE AS SEVERE INJURY OR DEATH COULD OCCUR. I REALLY THINK THIS IS A SAFETY ISSUE THAT SHOULD BE LOOKED INTO. THANK YOU. NOT SURE WHERE ELSE TO GO WITH THIS; HAVE SENT HYUNDAI USA AN EMAIL AS WELL. *TR
NHTSA ODI #10806208
8,900 miles · Nov 23, 2015
Exterior LightingService Brakes
VEHICLE HAS LESS THAN 9K MILES; PURCHASED NEW IN FEBRUARY 2014. THIRTEEN (13) MONTHS AFTER OWNING, ALL THE WARNING LIGHTS ON THE DASHBOARDS CAME ON AND OFF RANDOMLY AND THEN WERE ON PERMANENTLY (CITY DRIVING); ALSO POWER STEERING WAS GONE. BROUGHT VEHICLE TO THE DEALER WITH NO VEHICLE FOR 4 DAYS. PICKED VEHICLE UP, DROVE HOME…
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VEHICLE HAS LESS THAN 9K MILES; PURCHASED NEW IN FEBRUARY 2014. THIRTEEN (13) MONTHS AFTER OWNING, ALL THE WARNING LIGHTS ON THE DASHBOARDS CAME ON AND OFF RANDOMLY AND THEN WERE ON PERMANENTLY (CITY DRIVING); ALSO POWER STEERING WAS GONE. BROUGHT VEHICLE TO THE DEALER WITH NO VEHICLE FOR 4 DAYS. PICKED VEHICLE UP, DROVE HOME AND THREE (3) DAYS LATER (CITY DRIVING), ALL LIGHTS BACK ON. BROUGHT VEHICLE TO DEALER; GIVEN LOANER CAR FOR 9 DAYS. PICKED VEHICLE UP, DROVE HOME (45 MINUTES ON HIGHWAY), TWO (2) DAYS AFTER CITY DRIVING, CALLED DEALER TO TELL THEM THAT THE PROBLEM WAS BACK AGAIN. CAR HAS NOW BEEN IN SHOP FOR 12 DAYS; DEALER UNABLE TO FIND ROOT CAUSE. NOT SURE WHEN I WILL GET THE VEHICLE BACK. PERSONALLY, I DON'T WANT IT ANYMORE; EVERY TRIP TO THE DEALER FOR ME IS A 45 MINUTE DRIVE...VERY INCONVENIENT SITUATION. I THINK IT'S A LEMON.
NHTSA ODI #10806179
6,800 miles · Sep 27, 2015
Steering
I LOOSE POWER STEERING. THE STEERING WHEEL IS SO LOOSE YOU HAVE TO HANG ONTO TO KEEP THE CAR ON THE ROAD. IT HAPPENS FREQUENTLY WHEN DRIVING OVER A STRETCH OF ROAD THAT IS BEEN PATCHED ( AND THERE ARE MANY STRETCHES LIKE THAT IN NJ) BUT THAT IS NOT ALWAYS THE CASE. THERE IS NO CLEAR PATTERN TO THIS SITUATION. GENERALLY IT HA…
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I LOOSE POWER STEERING. THE STEERING WHEEL IS SO LOOSE YOU HAVE TO HANG ONTO TO KEEP THE CAR ON THE ROAD. IT HAPPENS FREQUENTLY WHEN DRIVING OVER A STRETCH OF ROAD THAT IS BEEN PATCHED ( AND THERE ARE MANY STRETCHES LIKE THAT IN NJ) BUT THAT IS NOT ALWAYS THE CASE. THERE IS NO CLEAR PATTERN TO THIS SITUATION. GENERALLY IT HAPPENS ONCE AND THEN NOT AGAIN FOR A COUPLE OF DAYS - THEN THE LIGHTS ON THE DASH COME INDICATING ISSUES WITH THE STEERING, TIRE PRESSURE AND ENGINE MALFUNCTION. FIRST GO AROUND WAS SEPT. 2014 @ 6,800 MILES. IT WAS TAKEN INTO HYUNDAI - THE TEST DROVE IT FOR A COUPLE OF DAYS UNTIL THE PROBLEM OCCURRED FOR THEM. THE STEERING COLUMN (UPPER ASSEMBLY) WAS REPLACED. A YEAR GOES BY (SEPT. 2015) AND IT STARTS AGAIN @14,800 MILES. SAME PROCEDURE AS LAST YEAR - PICK VEHICLE UP AFTER 9 DAYS - 2 HOURS LATER, SAME THING, NO STEERING ALL THE LIGHTS COME. THIS TIME THE CLEANED GROUNDS. ONE WEEK LATER SAME SITUATION .DRIVING THIS VEHICLE IS EXTREMELY TENSE, MANY TIMES I HAVE TO PULL OFF THE ROAD AND WAIT FOR OTHERS TO PASS. AND HOPE THAT IS CORRECTS ITSELF, WHICH IT DOES SOMETIMES BUT FOR HOW LONG I NEVER KNOW.
NHTSA ODI #10777907
500 miles · Feb 6, 2015
SuspensionWheels
I PURCHASED THE VEHICLE IN JANUARY 2014. WITHIN 500 MILE I NOTICED A STRONG VIBRATION IN THE FRONT SUSPENSION. MORE ACCURATELY IT WAS A BOUNCING (UP AND DOWN) OF THE FRONT OF THE VEHICLE. THE VEHICLE WAS RETURNED TO THE DEALER MULTIPLE TIMES AND THE DEALER SERVICE DEPARTMENT VERIFIED THAT THE CONDITION EXISTED. THEY ROTATED AN…
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I PURCHASED THE VEHICLE IN JANUARY 2014. WITHIN 500 MILE I NOTICED A STRONG VIBRATION IN THE FRONT SUSPENSION. MORE ACCURATELY IT WAS A BOUNCING (UP AND DOWN) OF THE FRONT OF THE VEHICLE. THE VEHICLE WAS RETURNED TO THE DEALER MULTIPLE TIMES AND THE DEALER SERVICE DEPARTMENT VERIFIED THAT THE CONDITION EXISTED. THEY ROTATED AND BALANCE THE TIRES SEVERAL TIMES. THIS DID NOT SOLVE THE PROBLEM. THEY CHANGED A DRIVE SHAFT. THIS DID NOT SOLVE THE PROBLEM. THEY REPLACED MY WHEELS AND TIRES WITH A SET FROM ANOTHER 2014 TUCSON. AGAIN, NO CHANGE. THE VEHICLE CONTINUED TO EXHIBIT A VERY PRONOUNCED BOUNCE IN THE FRONT SUSPENSION. I FILED A COMPLAINT WITH HYUNDAI AND RECEIVED A CASE NUMBER. I RETURNED TO MY DEALER AND REQUESTED TO TAKE ANOTHER 2014 HYUNDAI TUCSON FOR A TEST DRIVE. THIS VEHICLE HAD THE SAME BOUNCE IN THE FRONT SUSPENSION. I CONTACTED HYUNDAI AND INFORMED THEM THAT MULTIPLE TUCSONS HAD THE SAME PROBLEM. HYUNDAI'S ANSWER WAS THAT IT MUST BE A CHARACTERISTIC OF THE VEHICLE. THAT CLOSED THE CASE AS FAR AS HYUNDAI WAS CONCERNED. I BELIEVE THIS IS AN UNSAFE "CHARACTERISTIC" AND DO NOT BELIEVE THAT HYUNDAI OR ANY OTHER MANUFACTURER WOULD DESIGN A VEHICLE WITH A BOUNCE IN THE FRONT SUSPENSION. THIS IS A SAFETY ISSUE THAT SHOULD BE INVESTIGATED AND CORRECTED BEFORE SOME SORT OF ACCIDENT TAKES PLACE. THIS FRONT SUSPENSION BOUNCE MAKES THE VEHICLE FEEL VERY UNSAFE IN INCLEMENT WEATHER SUCH AS RAIN, SNOW AND ICY ROAD CONDITIONS. HYUNDAI HAS CLOSED THE CASE AND REFUSES TO RE-OPEN IT OR PERFORM ANY FURTHER INVESTIGATION. THEIR DETERMINATION THAT THIS IS A VEHICLE "CHARACTERISTIC" IS BASED ON THE DRIVING OF 2 VEHICLES. I BELIEVE AN UNSAFE CONDITION LIKE THIS SHOULD BE INVESTIGATED. HYUNDAI IS DOING ABSOLUTELY NOTHING TO SOLVE THIS PROBLEM. *JS
NHTSA ODI #10681760
9,000 miles · Dec 31, 2014
Visibility
NOTE: THERE ARE TWO SUNROOFS ON THIS VEHICLE; ONE FORWARD, OVER THE TWO FRONT SEATS, AND THE OTHER OVER THE BACK SEAT. WHILE DRIVING ON THE FREEWAY, THE FORWARD SUNROOF EXPLODED - GLASS FLYING EVERYWHERE - THERE WAS NOTHING LEFT. I CAN'T BELIEVE MY HEAD AND FACE WERE NOT CUT AND BLEEDING. THE POSSIBILITY OF ROCKS BEING T…
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NOTE: THERE ARE TWO SUNROOFS ON THIS VEHICLE; ONE FORWARD, OVER THE TWO FRONT SEATS, AND THE OTHER OVER THE BACK SEAT. WHILE DRIVING ON THE FREEWAY, THE FORWARD SUNROOF EXPLODED - GLASS FLYING EVERYWHERE - THERE WAS NOTHING LEFT. I CAN'T BELIEVE MY HEAD AND FACE WERE NOT CUT AND BLEEDING. THE POSSIBILITY OF ROCKS BEING THROWN FROM SOMEONE ON THE SIDE OF THE ROAD IS NIL: NO ONE WAS THERE. NEARBY VEHICLES WERE NOT FAR ENOUGH AWAY TO ALLOW THE NECESSARY TRAJECTORY FOR A ROCK SENT AIRBORNE FROM THEIR VEHICLES' TIRES TO LAND ON THE ROOF OF MY VEHICLE. I HAVE NO EXPLANATION OR REASON AS TO HOW OR WHY THIS HAPPENED. NOW I'M OUT $500.00 FOR MY DEDUCTIBLE, FOR SOMETHING THAT I CAN'T EXPLAIN. *JS
NHTSA ODI #10669369
7,500 miles · Dec 14, 2014
Engine
AT 7500 I REPORTED ENGINE WAS UNUSUALLY THEY TOLD ME IT WAS CHARACTERISTIC OF THE CAR AT 18000 MILES THEY REPLACED THE SHORT BLOCK. AT 26000 MILES THEY REPLACED IT A 2ND TIME. THE CAR ALSO HESITATES ON OCCASION WHEN FROM A STOP I STEP ON THE GAS THEN TAKES OFF. THEY SAYS IT'S CHARACTERISTIC OF THE CAR AND WE COULD NOT DUPLICATE …
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AT 7500 I REPORTED ENGINE WAS UNUSUALLY THEY TOLD ME IT WAS CHARACTERISTIC OF THE CAR AT 18000 MILES THEY REPLACED THE SHORT BLOCK. AT 26000 MILES THEY REPLACED IT A 2ND TIME. THE CAR ALSO HESITATES ON OCCASION WHEN FROM A STOP I STEP ON THE GAS THEN TAKES OFF. THEY SAYS IT'S CHARACTERISTIC OF THE CAR AND WE COULD NOT DUPLICATE IN THE 3 MILE RIDE WE TOOK THEY SENT ME HOME WITH IT I FEEL THIS IS VERY DANGEROUS. AT 28500 MILES THE LEFT SIDE OF THE CAR DIRECTIONAL LIGHTS WONT GO OFF EVEN IT'S STUCK ON 24/7. IN SHOP AGAIN. *TR
NHTSA ODI #10664148
3,000 miles · Dec 12, 2014
Electrical System
TL* THE CONTACT OWNS A 2014 HYUNDAI TUCSON. THE CONTACT STATED THAT THE VEHICLE FAILED TO START. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 3,000.
NHTSA ODI #10663804
2,000 miles · Sep 25, 2014
Suspension
TL* THE CONTACT OWNS A 2004 HYUNDAI TUCSON. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, THE VEHICLE WOULD TRAVEL OVER BUMPS AND POT HOLES VERY ROUGHLY. THE PROBLEM RECURRED TWENTY TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WA…
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TL* THE CONTACT OWNS A 2004 HYUNDAI TUCSON. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, THE VEHICLE WOULD TRAVEL OVER BUMPS AND POT HOLES VERY ROUGHLY. THE PROBLEM RECURRED TWENTY TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 2,000.
NHTSA ODI #10639060
6,700 miles · Aug 29, 2014
Steering
WHILE DRIVING THE STEERING WHEEL SUDDENLY BECAME SO LOOSE I HAD TO TOLD THE WHEEL VERY STILL BECAUSE IF YOU TOUCHED SLIGHTLY THE CAR WOULD SWERVE EITHER TO THE LEFT OR RIGHT THIS CONTINUED FOR SEVERAL MINUTES AND THEN CORRECT ITSELF. THIS HAPPENED ANY TIMES - THEN LIGHTS ON THE DASHBOARD CAME ON - THE AIR PRESSURE, BATTERY AND …
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WHILE DRIVING THE STEERING WHEEL SUDDENLY BECAME SO LOOSE I HAD TO TOLD THE WHEEL VERY STILL BECAUSE IF YOU TOUCHED SLIGHTLY THE CAR WOULD SWERVE EITHER TO THE LEFT OR RIGHT THIS CONTINUED FOR SEVERAL MINUTES AND THEN CORRECT ITSELF. THIS HAPPENED ANY TIMES - THEN LIGHTS ON THE DASHBOARD CAME ON - THE AIR PRESSURE, BATTERY AND ENGINE LIGHT AND THE STEERING LIGHT. THE NEXT DAY EVERYTHING WAS FINE NO LIGHTS - THEN THE STEERING WENT LOOSE AGAIN AND THE LIGHTS CAME ON. CALLED THE DEALERSHIP WHERE I BOUGHT THE CAR AND WAS TOLD THEY COULD SEE THE CAR FOR A WEEK. ANOTHER HAD ME COME IN THE NEXT DAY BUT WAS TOLD THE CAR DID SHOW THE LIGHTS SO THEY CLEARED THE COMPUTER AND RESET IT BUT THEY COULD DO NOTHING MORE UNLESS THE LIGHTS CAME BACK ON. I COULD BRING THE CAR BACK WHEN IT HAPPENED AGAIN. I WAS NO SOONER OUT OF THE DEALERSHIP AND THE STEERING WENT AND THE LIGHTS CAME BACK ON - I TURNED AROUND AND HEADED BACK - JUST I GOT THERE THE LIGHTS WENT OFF AND THE STEERING WAS NORMAL SO I DID NOT GO BACK IN. IT IS UNCOMFORTABLE DRIVING THE CAR KNOWING THIS COULD HAPPEN AT ANYTIME AND NOTHING HAS BEEN FIXED. IN THE MEANTIME, NO ONE HAS A LOANER CAR AND THIS IS THE ONLY CAR WE HAVE. I WILL GO BACK NEXT WEEK FOR FURTHER OBSERVATION. *TR
NHTSA ODI #10629448
559 miles · Jul 22, 2014
TiresWheels
I RECENTLY PURCHASED A 2014 HYUNDAI TUCSON GLS FROM MY LOCAL HYUNDAI DEALER. SHORTLY AFTER PURCHASING THE CAR, I NOTICED A STRONG VIBRATION THAT SEEMED TO COME FROM UNBALANCED TIRES. I TOOK THE CAR IN FOR THE FIRST TIME AND THEY FOUND IT WAS UNBALANCED AND PROCEEDED TO BALANCE THE CAR. HOWEVER, THIS DID NOT FIX THE PROBLEM. I …
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I RECENTLY PURCHASED A 2014 HYUNDAI TUCSON GLS FROM MY LOCAL HYUNDAI DEALER. SHORTLY AFTER PURCHASING THE CAR, I NOTICED A STRONG VIBRATION THAT SEEMED TO COME FROM UNBALANCED TIRES. I TOOK THE CAR IN FOR THE FIRST TIME AND THEY FOUND IT WAS UNBALANCED AND PROCEEDED TO BALANCE THE CAR. HOWEVER, THIS DID NOT FIX THE PROBLEM. I STILL NOTICED A SLIGHT VIBRATION WHEN I DROVE THE CAR, AND IT WAS ESPECIALLY BAD AT 50MPH. I TOOK IT BACK FOR A SECOND TIME TO THE HYUNDAI DEALER AND THEY BALANCED THE CAR AGAIN, BUT ONLY A VERY SMALL AMOUNT. AGAIN, BALANCING THE TIRES MADE NO DIFFERENCE. I TOOK IT BACK TO THE DEALER FOR A THIRD TIME AND RODE IN THE CAR WITH THE LEAD MECHANIC AT THAT LOCATION. HE ALSO NOTICED THE VIBRATION AND ASKED I LEAVE THE CAR WITH HIM. HE THEN TESTED ONE OF THE OTHER TUCSONS ON THEIR LOT THAT WAS THE SAME TRIM MODEL AND HAD THE SAME TIRES. HE REQUESTED I GO WITH HIM IN THAT CAR, AND WE FELT THE SAME VIBRATION AS IN MY CAR. HE DIAGNOSED THE ISSUE AS A CHARACTERISTIC OF THE VEHICLE. ON COLD MORNINGS, THE CAR VIBRATES SO BADLY IT CHATTERS MY TEETH AND FEELS UNSAFE TO DRIVE. MY CONCERN IS THAT IT WILL ONLY CONTINUE GET WORSE WITH TIME, CAUSING PERMANENT DAMAGE. EVEN THOUGH THE CAR HAS A GREAT WARRANTY, I STILL FEEL UNCOMFORTABLE DRIVING IT AND AM RELUCTANT TO TAKE IT ON LONG TRIPS. I CURRENTLY HAVE A CASE OPEN WITH HYUNDAI MOTORS USA. THE CASE WAS OPENED IN MARCH OF 2014 AND HYUNDAI FEELS IT CAN BE SOLVED BY REPLACING THE TIRES. I HAVE NOT DONE THAT YET AS THEY WILL NOT GIVE ME COUPONS FOR THE FULL PRICE OF THE TIRES. THE VIBRATION HAS STARTED TO GROW NOTICEABLY WORSE AND I AM CONCERNED FOR BOTH MY SAFETY AND OTHER PEOPLE THAT MAY HAVE THE SAME CAR. *TR
Hyundai Motor America (Hyundai) is recalling certain 2016-2018 Santa Fe, 2017-2018 Santa Fe Sport, 2019 Santa Fe XL, and 2014-2015 Tucson vehicles. The Anti-Lock Brake System (ABS) module could malfunction and cause an electrical short, which could result in an engine compartment fire.
Consequence & remedy
Consequence: An engine compartment fire while parked or driving can increase the risk of injury.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the ABS multi-fuse, as necessary, free of charge. Owner notification letters were mailed May 31, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 218.
Hyundai Motor Company (Hyundai) is recalling certain model year 2011-2014 Hyundai Tucson vehicles manufactured January 3, 2011, through December 23, 2013. In the affected vehicles, the air bag assembly installed in the steering wheel may come loose from its mounting.
Consequence & remedy
Consequence: An air bag assembly that is not properly mounted may result in an increased risk of injury to the driver in the event of a crash.
Remedy: Hyundai will notify owners, and dealers will inspect and tighten the bolts that secure the driver's air bag assembly, free of charge. The recall began on May 9, 2014. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 118.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2
AQ23002 · Hyundai And Kia Abs Module Fires
Opened Nov 17, 2023 · No close date supplied
Status: open (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module
The Office of Defects Investigation (ODI) has received eight Hyundai Motor America (Hyundai) and eight Kia America, Inc. (Kia) Part 573 Recall Reports between 2016 and 2023. The combined 16 safety recalls all involve the antilock braking system (ABS) modules or Hydraulic Electronic Control Units (HECU) manufactured by the equipment supplier Mando. The Part 573 Recall Reports contain varying defect descriptions and differing remedy descriptions for the same or similar equipment supplied by Mando. Safety recalls included in this Audit Query (AQ) review include: Hyundai recalls 20V-520, 20V-543, 21V-161, 21V-160, 21V-303, 22V-056, 22V-810, and 23V-651. Kia recalls 16V-815, 20V-518, 20V-519, 21V-137, 21V-331, 22V-051, 22V-800, and 23V-652 The purpose of this AQ is to evaluate the timeliness and scoping of Hyundai and Kia’s defect decision making and adherence with reporting requirements; and understand the varying defect descriptions and remedies between these recalls.
DP22003 · Loss Of Motive Power
Opened Sep 12, 2022 · Closed Dec 12, 2023
Status: closed (inferred from source dates) · Engine
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints indicating that the subject vehicles were experiencing rapid loss of engine oil due to oil drain plug back outs, resulting in loss of motive power and/or catastrophic engine damage. Additional complaints were provided which alleged that the oil drain pans lack sufficient structural integrity and are susceptible to cracking. The petition itself can be reviewed at NHTSA.gov under ODI number 11481745. On September 12, 2022, the Office of Defects Investigation (ODI) opened Defect Petition (DP22-003) to evaluate the Petitioners’ request. The Petitioners have provided additional complaints within four supplemental letters dated January 31, 2023, March 21, 2023, May 23, 2023, and August 4, 2023. ODI’s evaluation included the review and analysis of the complaints and supporting information submitted by the Petitioners, as well as additional complaints submitted directly to NHTSA which referenced either the oil drain plug or a crack in the oil pan. After reviewing the available data, ODI has not identified evidence that would support opening a defect investigation into the oil drain pan assemblies of the subject vehicles. Based on a review of the available information, a loss of motive power resulting from an oil drain plug back out has not occurred between the initial sale of a vehicle and the completion of its first oil change. If during an oil change service, a technician fails to remove the existing drain plug gasket before installing a new gasket, it is likely that a proper seal between the drain plug and the oil pan will not be made. An improper seal between the drain plug and oil pan could lead to the backing out on the drain plug, resulting in the sudden loss of oil while driving. Additionally, the provided examples of oil pan cracks were localized to the immediate vicinity of the oil drain plug and/or appeared to be the result of direct-contact with a tool during servicing. There is no information to support that a vehicle-based defect exists relating to the oil pan assembly, and instead the documented incidents are related to the failure to follow the proper maintenance procedures during oil change service. In October 2023, Hyundai published a Technical Service Bulletin (TSB) that provided detailed instructions for oil change service on its gasoline powered vehicles, specifically highlighting the need to remove and replace the existing drain plug gasket prior to reinstalling the drain plug. After a thorough review of the material submitted by the petitioner, the information already in NHTSA's possession, and the potential risks to motor vehicle safety implicated by the petitioners' allegations, NHTSA does not believe that a formal investigation is warranted. Therefore, the petition is denied. A Federal Register Notice (FRN) further detailing NHTSA’s reasons for denial of the petition will be published. The reference numbers for the complaints to NHTSA cited by the petitioner can be found in the petition submission documents in the public file for DP22-003. To review those complaints and the additional complaints ODI added to its evaluation which are cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.