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2016 Hyundai Tucson

Owner reports · Recalls · Investigations

More warning signs than most Tucson years

Owner complaints for the 2016 Hyundai Tucson are substantially higher than the model-year median of 180.5.

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When problems were reported

Mileage at the reported incident

832 reports with mileage · 785 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.

  • Power Train. Review the 516 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 423 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 227 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

14 crash reports24 fire reports6 injury reports

What owners actually said

1,617 reports
64,000 miles · Apr 12, 2019
Electrical SystemUnknown Or Other

I PURCHASED THIS VEHICLE NEW IN 2016. UNTIL NOW, THE ONLY ISSUE HAS BEEN ACCELERATING FROM A STOP, LIKE EVERYONE ELSE. NOW, THE DOORS ARE NOT OPERATING PROPERLY. IN MARCH 2019, THE FRONT PASSENGER DOOR STOPPED OPENING FROM THE OUTSIDE. IT WOULD UNLOCK/LOCK, BUT THE OUTSIDE HANDLE WOULD NOT OPERATE AND OPEN THE DOOR THE INSID…

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I PURCHASED THIS VEHICLE NEW IN 2016. UNTIL NOW, THE ONLY ISSUE HAS BEEN ACCELERATING FROM A STOP, LIKE EVERYONE ELSE. NOW, THE DOORS ARE NOT OPERATING PROPERLY. IN MARCH 2019, THE FRONT PASSENGER DOOR STOPPED OPENING FROM THE OUTSIDE. IT WOULD UNLOCK/LOCK, BUT THE OUTSIDE HANDLE WOULD NOT OPERATE AND OPEN THE DOOR THE INSIDE HANDLE DID OPERATE. HYUNDAI REPAIRED/REPLACED THE PART UNDER MY EXTENDED WARRANTY FOR $50. IN APRIL 2019, THE BACK PASSENGER DOOR FAILED. THIS TIME IT WOULD NOT OPERATE FROM THE INSIDE OR OUTSIDE. THE DEALER TRIED TO MAKE ME WAIT WKS FROM AN APPT, BUT THIS IS A REAL SAFETY ISSUE WITH PASSENGERS/CHILDREN IN THE BACK SEAT. WHAT IF THERE WAS AN ACCIDENT? I INQUIRED ABOUT RECALLS, ESPECIALLY WITH PASSENGERS NOT BEING ABLE TO GET OUT OF THE CAR, BUT WAS SHUT DOWN BY THE MECHANIC. A QUICK GOOGLE SEARCH SUGGESTS I'M NOT THE ONLY PERSON WITH THIS ISSUE.

NHTSA ODI #11195753

128,676 miles · Apr 3, 2019
Engine

ENGINE LIGHT CAME ON WITH NO WARNING STARTED KNOCKING STALLED OUT

NHTSA ODI #11193686

30,000 miles · Mar 27, 2019
Power Train

SEVERE HESITATION ON ACCELERATION. JERKY MOTION WHEN SLOW ROLLING. CANNOT BACK UP STEEP HILLS.

NHTSA ODI #11191992

Mileage unknown · Mar 26, 2019
Engine

2016 HYUNDAI TUCSON. CONSUMER WRITES IN REGARD TO VEHICLE ENGINE FAILURE. *AS *TR

NHTSA ODI #11190691

74,000 miles · Mar 23, 2019
Unknown Or Other

'TAKATA RECALL' BOTH BACK DOORS WILL NOT OPEN FROM THE INSIDE NOR BE OUTSIDE. INITIALLY STARTED WITH THE BACK DRIVERS SIDE DOOR AND WITHIN 2 WEEKS THE BACK PASSENGER DOOR WPULD NOT OPEN EITHER. WHEN I I HIT THE LOCK AND UNLOCK BUTTON FROM INSIDE THE CAR AND ON MY KEY FOB THE LOCKS MOVE, THEREFORE IT IS NOT AN ELECTRICAL PROBLE…

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'TAKATA RECALL' BOTH BACK DOORS WILL NOT OPEN FROM THE INSIDE NOR BE OUTSIDE. INITIALLY STARTED WITH THE BACK DRIVERS SIDE DOOR AND WITHIN 2 WEEKS THE BACK PASSENGER DOOR WPULD NOT OPEN EITHER. WHEN I I HIT THE LOCK AND UNLOCK BUTTON FROM INSIDE THE CAR AND ON MY KEY FOB THE LOCKS MOVE, THEREFORE IT IS NOT AN ELECTRICAL PROBLEM. AFTER RESEARCHING THIS ISSUE I FOUND THIS HAS BEEN A COMMON PROBLEM WITH THIS VEHICLE AND APPARENTLY THE 'CLIP' FALLS OF INSIDE THE DOOR PANEL THEREFORE THE DOOR WILL NOT OPEN. THIS IS TRULY A SAFETY ISSUE, SINCE IF MY CAR WERE TO CATCH ON FIRE OR WERE IN AN ACCIDENT AND I HAD A PASSENGERS IN THE BACKSEAT THEY WOULD NOT BE ABLE TO GET OUT OF THE VEHICLE! NOR AM I ABLE TO GET MY CHILD IN AND OUT OF THE BACKSEAT WITH THE CAR SEAT.

NHTSA ODI #11191068

40,000 miles · Mar 10, 2019
Unknown Or Other

RECENTLY, WE'VE BEEN EXPERIENCING AN ISSUE INVOLVING THE REAR DOOR LOCKING SYSTEM ON OUR DAUGHTER'S 2016 TUCSON. THE DOORS CAN'T BE OPENED, DESPITE THE CHILD LOCKS BEING DISABLED, THE AUTO AND MANUAL LOCKS BEING UNLOCKED, OR THE MANUAL HANDLES BEING USED FROM INSIDE OR OUT. THE IS A MOST UNSAFE SITUATION, ESPECIALLY IN THE EVE…

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RECENTLY, WE'VE BEEN EXPERIENCING AN ISSUE INVOLVING THE REAR DOOR LOCKING SYSTEM ON OUR DAUGHTER'S 2016 TUCSON. THE DOORS CAN'T BE OPENED, DESPITE THE CHILD LOCKS BEING DISABLED, THE AUTO AND MANUAL LOCKS BEING UNLOCKED, OR THE MANUAL HANDLES BEING USED FROM INSIDE OR OUT. THE IS A MOST UNSAFE SITUATION, ESPECIALLY IN THE EVENT OF AN EMERGENCY. WE HAVE SCHEDULED A MAINTENANCE APPOINTMENT WITH OUR LOCAL DEALER (TAMERON HYUNDAI, HOOVER) AT OUR EXPENSE.

NHTSA ODI #11185628

29,226 miles · Mar 9, 2019
Unknown Or OtherCrash

MY VEHICLE WAS RECALLED IN 2016, SHORTLY AFTER I LEASED IT, FOR A KNOWN ISSUE WITH THE TRANSMISSION. PRIOR TO MY RECALL APPOINTMENT, I WAS STOPPED AT A TRAFFIC LIGHT. WHEN THE LIGHT TURNED GREEN, I PRESSED THE GAS AND THE CAR FAILED TO ACCELERATE. WHEN IT FINALLY DID, IT SURGED FORWARD INTO AN INTERSECTION. WHILE VERY SCARY, NO…

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MY VEHICLE WAS RECALLED IN 2016, SHORTLY AFTER I LEASED IT, FOR A KNOWN ISSUE WITH THE TRANSMISSION. PRIOR TO MY RECALL APPOINTMENT, I WAS STOPPED AT A TRAFFIC LIGHT. WHEN THE LIGHT TURNED GREEN, I PRESSED THE GAS AND THE CAR FAILED TO ACCELERATE. WHEN IT FINALLY DID, IT SURGED FORWARD INTO AN INTERSECTION. WHILE VERY SCARY, NO ONE WAS HURT. THE RECALL ISSUE WAS "ADDRESSED" BY THE DEALER. IN FEBRUARY 2019, THE CAR AGAIN HAD AN ISSUE WHERE IT FAILED TO ACCELERATE. I WAS IN A PARKING LOT ON A SLIGHT INCLINE. I PUT THE CAR IN REVERSE, IT BACKED UP. I PUT THE CAR IN DRIVE AND HIT THE GAS. NOT ONLY DID THE CAR FAIL TO ACCELERATE FORWARD BUT THE BRAKE WAS STUCK. WITHOUT BEING ABLE TO CONTROL THE CAR, IT REVERSED UNTIL IT HIT A DUMPSTER, BUSTING MY TAIL LIGHT AND PUTTING A DENT IN MY TRUNK. AGAIN, LUCKILY NO ONE WAS INJURED. IT IS WELL DOCUMENTED THAT THIS YEAR, MAKE AND MODEL HAVE HAD THE ISSUE THAT I AM DESCRIBING. THERE HAVE BEEN SUITS UNDER THE LEMON LAW. MOREOVER, THE MANUFACTURER AND DEALER HAVE BEEN LESS THAN HELPFUL. IT TOOK MULTIPLE CALLS TO GET A NATIONAL CASEWORKER ASSIGNED. WHEN I FINALLY RECEIVED A CALL, INWAS TOLD TO BRING IT TO THE DEALER FOR DIAGNOSTICS. MY CAR HAS BEEN WITH THE DEALER FOR 5 DAYS WITH NO ANSWERS AND AND NO LOANER VEHICLE. AT THIS POINT I FEEL IT IS NECESSARY TO WRITE TO YOU TO TAKE ACTION. SAFETY SHOULD BE PARAMOUNT TO ANY CAR MANUFACTURER. IGNORING THE WELL-DOCUMENTED HISTORY OF THIS CAR'S SAFETY ISSUES, CANNOT BE TOLERATED. FAILURE TO ACT, AND WORSE, ATTEMPTS TO SOMEHOW PLACE ONUS ON THE LESSEE IS AN ETHICAL ISSUE AND AN ATTEMPT FOR THE MANUFACTURER TO SAVE FACE. THIS VEHICLE IS NOT SAFE. THE ISSUE IS INTERMITTENT AND CANNOT BE PREDICTED. ANY ATTEMPT TO PUT ME BACK IN A FAULTY VEHICLE TO COLLECT MY LAST 4 MONTHLY PAYMENTS IS A DISGUSTING DISPLAY OF A LACK OF CONCERN FOR DRIVER'S SAFETY.

NHTSA ODI #11185507

37,000 miles · Mar 7, 2019
Exterior Lighting

TL* THE CONTACT OWNS A 2016 HYUNDAI TUCSON. WHILE DRIVING AFTER DUSK, THERE WAS REDUCED VISIBILITY FROM THE DRIVER'S SIDE HEADLAMP. THE CONTACT STATED THAT THE FAILURE WAS DUE TO DARK SPOTS ON THE HEADLAMP. THE CONTACT WAS CONCERNED THAT THERE WAS A FAILURE WITH THE REFRACTIVE LENS IN THE HEADLAMP ALONG WITH THE PLACEMENT OF THE…

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TL* THE CONTACT OWNS A 2016 HYUNDAI TUCSON. WHILE DRIVING AFTER DUSK, THERE WAS REDUCED VISIBILITY FROM THE DRIVER'S SIDE HEADLAMP. THE CONTACT STATED THAT THE FAILURE WAS DUE TO DARK SPOTS ON THE HEADLAMP. THE CONTACT WAS CONCERNED THAT THERE WAS A FAILURE WITH THE REFRACTIVE LENS IN THE HEADLAMP ALONG WITH THE PLACEMENT OF THE HEADLAMP. THE CONTACT WAS UNSURE IF THE HEADLAMP WAS PLACED IMPROPERLY. THE CONTACT STATED THAT THE HEADLAMP WAS A REPLACEMENT AFTER A CRASH INVOLVING A DEER. THE VEHICLE WAS REPAIRED AT AN INDEPENDENT REPAIR FACILITY. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 37,000.* CONSUMER STATED DRIVER'S SIDE HEADLIGHT FAILED.*JB

NHTSA ODI #11184847

72,500 miles · Mar 3, 2019
Electrical SystemPower Train

I PURCHASED THE 2016 HYUNDAI TUCSON IN OCTOBER 2015. THE FOLLOWING YEAR I NOTICED THAT SOMETIMES WHEN I'M STOPPED AND GO TO ACCELERATE, MY CAR WILL NOT GO ANYWHERE FOR A FEW SECONDS THEN IT TAKES OFF. THIS IS VERY DANGEROUS WHEN IT COMES TO PULLING OUT ONTO A BUSY STREET. IT DIDN'T HAPPEN OFTEN BUT HAS GOTTEN WORSE OVER THE YEAR…

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I PURCHASED THE 2016 HYUNDAI TUCSON IN OCTOBER 2015. THE FOLLOWING YEAR I NOTICED THAT SOMETIMES WHEN I'M STOPPED AND GO TO ACCELERATE, MY CAR WILL NOT GO ANYWHERE FOR A FEW SECONDS THEN IT TAKES OFF. THIS IS VERY DANGEROUS WHEN IT COMES TO PULLING OUT ONTO A BUSY STREET. IT DIDN'T HAPPEN OFTEN BUT HAS GOTTEN WORSE OVER THE YEARS. NOW LATELY, I HAVE BEEN GETTING 'CHECK BSD SYSTEM' WARNINGS. THIS HAPPENED ONCE ONE DAY AND THEN INCREASED SIGNIFICANTLY SINCE. NOW MY CAR WILL GIVE THAT WARNING, ACTS LIKE IT SHUTS OFF, AND WONT GO ANYWHERE AND I'LL HAVE TO RESTART MY CAR. OR SOMETIMES IT WILL BE IN 2ND OR 3RD GEAR AND THAT WARNING WILL POP UP AND IMMEDIATELY SHIFT TO 0. AFTER THIS HAPPENS THERE ARE 5-6 WARNING LIGHTS THAT LIGHT UP ON THE DASH BOARD, INCLUDING THE CHECK ENGINE LIGHT. THIS HAS PROGRESSED OVER THE LAST 3 DAYS, ULTIMATELY MAKING MY CAR NOT DRIVABLE. I AM TAKING IT IN TOMORROW. EVERY TIME THIS HAPPENS I'VE BEEN IN 'DRIVE' AND EITHER STOPPED AT A LIGHT OR EVENING IN MOTION.

NHTSA ODI #11183839

28,738 miles · Feb 5, 2019
SteeringCrash

TL* THE CONTACT OWNS A 2016 HYUNDAI TUCSON. WHILE DRIVING AT A LOW SPEED AND MAKING A SHARP LEFT TURN, THE STEERING WHEEL SEIZED WITHOUT WARNING. AS A RESULT, THE CONTACT LOST CONTROL OF THE VEHICLE AND CRASHED INTO A BARRIER. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO HERITAGE HYUNDAI TOW…

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TL* THE CONTACT OWNS A 2016 HYUNDAI TUCSON. WHILE DRIVING AT A LOW SPEED AND MAKING A SHARP LEFT TURN, THE STEERING WHEEL SEIZED WITHOUT WARNING. AS A RESULT, THE CONTACT LOST CONTROL OF THE VEHICLE AND CRASHED INTO A BARRIER. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO HERITAGE HYUNDAI TOWSON (801 YORK RD, TOWSON, MD 21204, (877) 387-5495) WHERE IT WAS DIAGNOSED, BUT A FAILURE CODE COULD NOT BE FOUND. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 28,738.

NHTSA ODI #11174490

Official recalls

5

20V543000 · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

Sep 4, 2020

Hyundai Motor America (Hyundai) recalled certain 2019-2021 Tucson vehicles on September 4, 2020. On December 30, 2020, Hyundai expanded the recall population, and added certain 2016-2018 Tucson vehicles. The Anti-lock Brake Hydraulic Electronic Control Unit (HECU) could corrode internally and cause an electrical short, possibly resulting in an engine compartment fire.

Consequence & remedy

Consequence: An engine compartment fire can increase the risk of injury or crash.

Remedy: Hyundai will notify owners, and dealers will replace the HECU fuse. For 2019-2021 model years, the Electronic Stability Control (ESC) software will also be updated. Recall repairs will be performed free of charge. Owners are advised to park outside and away from structures as a precaution until the recall repair is complete. The recall began November 2, 2020. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 195.

16V842000 · Electrical System:wiring; Trailer Hitches

Nov 21, 2016

Hyundai Motor America (Hyundai) is recalling certain model year 2016-2017 Tucson vehicles manufactured May 19, 2015, to November 14, 2016, and 2017 Santa Fe vehicles manufactured November 28, 2015, to November 14, 2016. The affected vehicles may be equipped with an accessory trailer hitch wiring harness that, due to a malfunction of the tow hitch module, may result, in the trailer brake lights being constantly illuminated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, " Lamps, Reflective Devices, and Associated Equipment."

Consequence & remedy

Consequence: If the trailer brake lights stay illuminated while being used, other drivers may be confused, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the affected accessory trailer hitch wiring harnesses, free of charge. The recall is expected to begin January 13, 2017. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 153.

Additional source detail variants (2)

Trailer Hitches

Hyundai Motor America (Hyundai) is recalling certain model year 2016-2017 Tucson vehicles manufactured May 19, 2015, to November 14, 2016, and 2017 Santa Fe vehicles manufactured November 28, 2015, to November 14, 2016. The affected vehicles may be equipped with an accessory trailer hitch wiring harness that, due to a malfunction of the tow hitch module, may result, in the trailer brake lights being constantly illuminated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, " Lamps, Reflective Devices, and Associated Equipment."

Consequence: If the trailer brake lights stay illuminated while being used, other drivers may be confused, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the affected accessory trailer hitch wiring harnesses, free of charge. The recall is expected to begin January 13, 2017. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 153.

Electrical System:wiring

Hyundai Motor America (Hyundai) is recalling certain model year 2016-2017 Tucson vehicles manufactured May 19, 2015, to November 14, 2016, and 2017 Santa Fe vehicles manufactured November 28, 2015, to November 14, 2016. The affected vehicles may be equipped with an accessory trailer hitch wiring harness that, due to a malfunction of the tow hitch module, may result, in the trailer brake lights being constantly illuminated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, " Lamps, Reflective Devices, and Associated Equipment."

Consequence: If the trailer brake lights stay illuminated while being used, other drivers may be confused, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the affected accessory trailer hitch wiring harnesses, free of charge. The recall is expected to begin January 13, 2017. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 153.

16V628000 · Electrical System:software; Power Train:automatic Transmission:control Module (tcm/pcm/tecm)

Aug 30, 2016

Hyundai Motor Company (Hyundai) is recalling certain model year 2016 Tucson vehicles manufactured May 20, 2015 through May 31, 2016 and equipped with a 7-speed EcoShift Dual Clutch Transmission. Certain driving conditions and high temperatures may cause the vehicle to not move if the accelerator pedal is pressed and released repeatedly.

Consequence & remedy

Consequence: Inability to move the vehicle while in traffic may increase the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will update the Transmission Control Module software, free of charge. The recall is expected to begin on October 28, 2016. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 149.

Additional source detail variants (2)

Electrical System:software

Hyundai Motor Company (Hyundai) is recalling certain model year 2016 Tucson vehicles manufactured May 20, 2015 through May 31, 2016 and equipped with a 7-speed EcoShift Dual Clutch Transmission. Certain driving conditions and high temperatures may cause the vehicle to not move if the accelerator pedal is pressed and released repeatedly.

Consequence: Inability to move the vehicle while in traffic may increase the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will update the Transmission Control Module software, free of charge. The recall is expected to begin on October 28, 2016. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 149.

Power Train:automatic Transmission:control Module (tcm/pcm/tecm)

Hyundai Motor Company (Hyundai) is recalling certain model year 2016 Tucson vehicles manufactured May 20, 2015 through May 31, 2016 and equipped with a 7-speed EcoShift Dual Clutch Transmission. Certain driving conditions and high temperatures may cause the vehicle to not move if the accelerator pedal is pressed and released repeatedly.

Consequence: Inability to move the vehicle while in traffic may increase the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will update the Transmission Control Module software, free of charge. The recall is expected to begin on October 28, 2016. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 149.

16V348000 · Latches/locks/linkages:hood:latch

May 24, 2016

Hyundai Motor Company (Hyundai) is recalling certain model year 2016 Tucson vehicles manufactured May 19, 2015 to March 14, 2016. In the affected vehicles, if the primary hood latch has been released, and the vehicle is driven, the secondary hood latch may not hold adequately secure the hood to prevent it from opening while the vehicle is in motion.

Consequence & remedy

Consequence: If the primary hood latch is inadvertently released and the secondary latch cannot secure the hood, the hood may unexpectedly open while driving, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the secondary hood latch, free of charge. The recall began on June 30, 2016. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 145.

16V147000 · Exterior Lighting:tail Lights

Mar 10, 2016

Hyundai Motor America (Hyundai) is recalling certain model year 2016 Hyundai Tucson vehicles manufactured May 26, 2015 to January 15, 2016 and equipped with an accessory trailer hitch harness either included with the accessory trailer hitch or sold as a service part. In the affected vehicles, when the vehicle's engine is running and the brake lights are illuminated, if the turn signal is activated, the trailer turn signal lights will either turn off or remain continuously illuminated (not flash). As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard Number 108, " Lamps, Reflective Devices, and Associated Equipment."

Consequence & remedy

Consequence: Failure to illuminate the trailer's turn signal lights would prevent the communication of the driver's intent, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will update the tow hitch harness, free of charge. The recall began on May 2, 2016. Owners may contact Hyundai customer service at 1-855-371-9640. Hyundai's number for this recall is 142.

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

1

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.

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