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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

Electrical System complaints

215 reports
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71,082 miles · Mar 2, 2021
Electrical SystemExterior LightingPower Train

ORIGINALLY WHEN I PURCHASED MY CAR I COMPLAINED TO THE DEALER ABOUT MY RADIO GOING BLACK AND THEY CLAIMED IT WAS DUE TO THE COLD AND BRUSHED IT OFF. NOW RECENTLY I HAD THE SAME ISSUE BUT NOW AS I WAS DRIVING STRAIGHT ON THE HIGHWAY ALL OF THE LIGHTS ON THE DASH KEEP FLICKERING ON AND OFF TELLING ME TO CHECK EVERY SYSTEM. MY CA…

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ORIGINALLY WHEN I PURCHASED MY CAR I COMPLAINED TO THE DEALER ABOUT MY RADIO GOING BLACK AND THEY CLAIMED IT WAS DUE TO THE COLD AND BRUSHED IT OFF. NOW RECENTLY I HAD THE SAME ISSUE BUT NOW AS I WAS DRIVING STRAIGHT ON THE HIGHWAY ALL OF THE LIGHTS ON THE DASH KEEP FLICKERING ON AND OFF TELLING ME TO CHECK EVERY SYSTEM. MY CAR SIGNALS/HAZARDS WILL NOT WORK. SPEEDOMETER WILL NOT WORK ALONG WITH BLIND SPOT RECOGNITION AND OTHER THINGS.

NHTSA ODI #11398815

65,000 miles · Feb 28, 2021
Electrical System

MY BACK PASSENGER DOOR LOCK ACTUATOR IS FAILING. I AM UNABLE TO OPEN MY DOOR FROM THE INSIDE OR OUTSIDE AFTER THE DOOR HAS BEEN LOCKED. ONCE YOU HIT THE UNLOCK BUTTON, THERE IS A TINY PART IN THE LOCK ACTUATOR THAT IS NOT FULLY RETURNING TO THE LEFT WHICH LEAVES THAT SPECIFIC DOOR STILL LOCKED. IT TAKES SEVERAL PULLS/PUSHES O…

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MY BACK PASSENGER DOOR LOCK ACTUATOR IS FAILING. I AM UNABLE TO OPEN MY DOOR FROM THE INSIDE OR OUTSIDE AFTER THE DOOR HAS BEEN LOCKED. ONCE YOU HIT THE UNLOCK BUTTON, THERE IS A TINY PART IN THE LOCK ACTUATOR THAT IS NOT FULLY RETURNING TO THE LEFT WHICH LEAVES THAT SPECIFIC DOOR STILL LOCKED. IT TAKES SEVERAL PULLS/PUSHES ON THE DOOR TO GET IT OPEN AGAIN AND SOMETIMES IT CAN TAKE DAYS BEFORE I CAN GET IT TO OPEN AGAIN. MY HUSBAND WAS ABLE TO TAKE THE DOOR PANEL OFF TO SEE THE FUNCTIONALITY OF THE ACTUATOR AND WAS ABLE TO SEE THE PART WAS FAILING WHEN HE WOULD TRY TO UNLOCK THE DOOR WITH THE KEY FOIB/UNLOCK BUTTON. BASED ON MY RESEARCH THIS IS A KNOWN ISSUE WITH HYUNDAI TUCSONS BUT HYUNDAI HAS NOT ISSUED A RECALL AND WILL CHARGE A DIAGNOSTIC FEE OF $100 PLUS COST OF LABOR AND PART TO REPAIR. THIS IS A SERIOUS SAFETY CONCERN FOR MY PASSENGERS AND SHOULD BE AN ISSUE HYUNDAI MAKES RIGHT. THIS ISSUE IS OCCURRING REGARDLESS IF MY VEHICLE IS RUNNING OR NOT.

NHTSA ODI #11398294

Mileage unknown · Feb 24, 2021
Electrical SystemStructureUnknown Or Other

THE REAR DRIVER DOOR IS STUCK CLOSED NO MATTER WHAT I DO. AFTER LOOKING ONLINE, IT SEEMS LIKE MULTIPLE PEOPLE ARE HAVING THE SAME ISSUE WITH THE DOOR ACTUATOR GOING OUT. NOW IF PEOPLE ARE IN MY BACK SEAT, PEOPLE ARE STUCK AND HAVE TO GO OUT THE OTHER DOOR. MY FEAR NOW IS THE OTHER DOOR WILL GO OUT ALSO AND SOMEONE WILL BE STUCK …

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THE REAR DRIVER DOOR IS STUCK CLOSED NO MATTER WHAT I DO. AFTER LOOKING ONLINE, IT SEEMS LIKE MULTIPLE PEOPLE ARE HAVING THE SAME ISSUE WITH THE DOOR ACTUATOR GOING OUT. NOW IF PEOPLE ARE IN MY BACK SEAT, PEOPLE ARE STUCK AND HAVE TO GO OUT THE OTHER DOOR. MY FEAR NOW IS THE OTHER DOOR WILL GO OUT ALSO AND SOMEONE WILL BE STUCK IN THE BACK OF MY CAR.

NHTSA ODI #11397761

40,000 miles · Feb 20, 2021
Electrical SystemStructureUnknown Or Other

2016 HYUNDAI TUCSON REAR PASSENGER DOOR WILL NOT OPEN FROM THE INSIDE OR OUTSIDE. THIS HAPPENED JANUARY 2021. I WAS WAITING FOR THE ENTIRE FIRE RECALL TO COME UP WITH A FIX SO I COULD TAKE IT IN AT THE SAME TIME. NOW, THE FRONT DRIVER DOOR WILL NOT OPEN FROM THE OUTSIDE, ONLY THE INSIDE. HYUNDAI IS SAYING IT IS OUT OF WARRANTY A…

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2016 HYUNDAI TUCSON REAR PASSENGER DOOR WILL NOT OPEN FROM THE INSIDE OR OUTSIDE. THIS HAPPENED JANUARY 2021. I WAS WAITING FOR THE ENTIRE FIRE RECALL TO COME UP WITH A FIX SO I COULD TAKE IT IN AT THE SAME TIME. NOW, THE FRONT DRIVER DOOR WILL NOT OPEN FROM THE OUTSIDE, ONLY THE INSIDE. HYUNDAI IS SAYING IT IS OUT OF WARRANTY AND I WILL NEED TO PAY FOR BOTH. QUICK RESEARCH ONLINE SHOWS ME THAT THERE ARE HUNDREDS OF PEOPLE ALSO EXPERIENCING THIS PROBLEM. THIS SHOULD BE EVALUATED AS IT IS A SAFETY ISSUE IF MY CAR CATCHES FIRE BEFORE THERE CAN BE A FIX FOR THE RECALL AND MYSELF OR MY PASSENGERS ARE UNABLE TO GET OUT OF THE CAR IF IT IS ON FIRE.

NHTSA ODI #11397105

Mileage unknown · Feb 6, 2021
Electrical SystemEngineService Brakes

THIS MODEL HAS A RECALL FOR ITS ABS SYSTEM DUE YO ENGINE FIRES THE VEHICLE HAS BEEN TAKEN TO THE DEAKER AND WE HAVE BEEN TOLD THERE IS NO RESOLVE FOR THIS ISSUE YET HYUNDAI ISSUED A RECALL AND THE ONLY WAY WE FOYND OUT WAS TO GO ONLINE AND LOOK IT UP NOW THEY SAY THEY WANT US TO DRIVE THIS VEHICLE WITH THE RECALL ISSUE UNTIL H…

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THIS MODEL HAS A RECALL FOR ITS ABS SYSTEM DUE YO ENGINE FIRES THE VEHICLE HAS BEEN TAKEN TO THE DEAKER AND WE HAVE BEEN TOLD THERE IS NO RESOLVE FOR THIS ISSUE YET HYUNDAI ISSUED A RECALL AND THE ONLY WAY WE FOYND OUT WAS TO GO ONLINE AND LOOK IT UP NOW THEY SAY THEY WANT US TO DRIVE THIS VEHICLE WITH THE RECALL ISSUE UNTIL HYUNDAI FIGURES OUT YHE ISSUE THIS IS ABSOLUTELY UNACCEPTABLE OUR SAFETY IS FAR MORE IMPORT WE ARE BOTH DISABLED AND NEED A RELIABLE VEHICLE TO GET TO DR. APPOINTMENTS PLEASE HELP TO RESOLVE SAID ISSUE THANK YOU THE BATTLES

NHTSA ODI #11395022

36,264 miles · Feb 5, 2021
Electrical System

THE DOOR LOCK ACTUATORS IN MY 2016 HYUNDAI TUCSON FAILED REPEATEDLY. THE FIRST WAS ON NOVEMBER 3, 2020, ONE WEEK OUTSIDE OF THE WARRANTY. THE SECOND DOOR LOCK ACTUATOR FAILED TODAY (FEB 5, 2021). THIS IS A SIGNIFICANT SAFETY ISSUE AS THE DOORS CANNOT BE OPENED FROM EITHER THE INSIDE OR OUT BECAUSE THEY FAIL IN THE "LOCKED" POSIT…

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THE DOOR LOCK ACTUATORS IN MY 2016 HYUNDAI TUCSON FAILED REPEATEDLY. THE FIRST WAS ON NOVEMBER 3, 2020, ONE WEEK OUTSIDE OF THE WARRANTY. THE SECOND DOOR LOCK ACTUATOR FAILED TODAY (FEB 5, 2021). THIS IS A SIGNIFICANT SAFETY ISSUE AS THE DOORS CANNOT BE OPENED FROM EITHER THE INSIDE OR OUT BECAUSE THEY FAIL IN THE "LOCKED" POSITION. IF THERE WERE A FIRE OR OTHER ACCIDENT, THE OCCUPANTS WOULD BE TRAPPED INSIDE, RESULTING IN A FATALITY. THE LATCH MECHANISM WON'T UNLOCK FROM EITHER THE PHYSICAL MECHANICAL TOGGLE OR REMOTE SIGNAL. THIS OCCURS THEN THE VEHICLE IS STATIONARY. THIS IS A HUGE SAFETY CONCERN DISCUSSED ON NUMEROUS ONLINE HYUNDAI FORUMS. WE ARE ALL WONDERING WHY 1) HYUNDAI HAS NOT ISSUED A SAFETY RECALL 2) WHY THE NHTSA HAS NOT STEPPED IN AND REQUIRED HYUNDAI TO ISSUE A SAFETY RECALL. NOT BEING ABLE TO EXIT OR ENTER A CAR DURING AN EMERGENCY IS A HUGE RISK TO ALL, ESPECIALLY CHILDREN, THE ELDERLY, AND HANDICAPPED PERSONS. I CAN'T THINK OF A GREATER SAFETY ISSUE THAN BEING TRAPPED IN YOUR VEHICLE. PLEASE INTERVENE! THANK YOU. ERIK SPEDALE HTTPS://WWW.CARPROBLEMZOO.COM/HYUNDAI/TUCSON/2016/BODY-PROBLEMS.PHP HTTPS://WWW.CARGURUS.COM/CARS/DISCUSSION-T57988_DS1084478

NHTSA ODI #11394874

40,000 miles · Feb 3, 2021
Electrical SystemExterior Lighting

BLINKER STAYS ON EVEN AFTER IT IS SHUT OFF, BRAKE LIKE CONTINUOUSLY GOES OUT, EVEN THOUGH IT HAS BEEN REPLACED SEVERAL TIMES (MAY BE A WIRING ISSUE).

NHTSA ODI #11394559

Mileage unknown · Feb 3, 2021
Electrical System

WE WERE NEVER INFORMED THERE WAS A RECALL ON THIS CAR WHEN WE PURCHASED IT FROM THE HYUNDAI DEALER. WE HAD SEVERAL ELECTRICAL ISSUES AND HAVE GONE TO THE DEALER FOR REPAIR AND THEY NEVER MENTIONED THE RECALL INVOLVING THE ELECTRICAL SYSTEM IN OUR TUCSON. WE HAD THE LATEST ELECTRICAL ISSUE WITH OUR DOOR NOT CLOSING. WE HAVE HAD C…

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WE WERE NEVER INFORMED THERE WAS A RECALL ON THIS CAR WHEN WE PURCHASED IT FROM THE HYUNDAI DEALER. WE HAD SEVERAL ELECTRICAL ISSUES AND HAVE GONE TO THE DEALER FOR REPAIR AND THEY NEVER MENTIONED THE RECALL INVOLVING THE ELECTRICAL SYSTEM IN OUR TUCSON. WE HAD THE LATEST ELECTRICAL ISSUE WITH OUR DOOR NOT CLOSING. WE HAVE HAD CONTINUED ELECTRICAL ISSUES WITH THIS CAR AND MISSION HILLS HYUNDAI DEALERSHIP HAS NOT MENTIONED THE RECALL ON THIS VEHICLE. THEY CONTINUE TO FAIL TO REPAIR OUR CAR'S RECALL ISSUE.*DT*JB

NHTSA ODI #11394548

30,000 miles · Feb 3, 2021
Electrical SystemStructure

THE DOORS ON THIS CAR KEEP FAILING TO OPEN. ABOUT 3 YEARS AGO I HAD TO REPLACE THE LOCKING MECHANISM ON THE DRIVER FRONT DOOR. THE DOOR WOULD NOT OPEN FROM THE OUTSIDE. THEN ABOUT 2 YEARS AGO I HAD TO REPLACE THE DOOR LOCKING MECHANISM ON THE DRIVER REAR DOOR. NOW I NEED TO REPLACE THE MECHANISM ON THE PASSENGER REAR DOOR. …

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THE DOORS ON THIS CAR KEEP FAILING TO OPEN. ABOUT 3 YEARS AGO I HAD TO REPLACE THE LOCKING MECHANISM ON THE DRIVER FRONT DOOR. THE DOOR WOULD NOT OPEN FROM THE OUTSIDE. THEN ABOUT 2 YEARS AGO I HAD TO REPLACE THE DOOR LOCKING MECHANISM ON THE DRIVER REAR DOOR. NOW I NEED TO REPLACE THE MECHANISM ON THE PASSENGER REAR DOOR. THIS IS A HUGE SAFETY CONCERN IF WE ARE UNABLE TO GET OUT OF THE VEHICLE IN CASE OF AN EMERGENCY.

NHTSA ODI #11394422

85,000 miles · Jan 19, 2021
Electrical SystemEngine

OUR VEHICLE HAS STARTED USING A LOT OF OIL AROUND 80,000. WE NOW NEED TO ADD A QUART OF OIL ABOUT EVERY 1000 MILES. THE FRONT DRIVER'S SIDE WINDOW SWITCH WILL OCCASIONALLY NOT WORK. WE HAD THE REAR PASSENGER DOOR LOCK REPLACED BECAUSE IF STOPPED WORKING.

NHTSA ODI #11388891

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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