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2011 Hyundai Tucson

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2011 Hyundai Tucson do not stand out strongly from the model-year median of 180.5.

About this comparison →

When problems were reported

Mileage at the reported incident

70 reports with mileage · 54 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 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports3 fire reports3 injury reports

What owners actually said

124 reports
112,800 miles · May 22, 2019
Engine

CAR HAD BEEN STARTING UP ROUGH BY. ALSO UNDER MY CAR ON DRIVERS SIDE UNDER PLASTI COVERING HAD A STREAM OF BLACK FLUID THAT LOOKED LIKE OIL AND SMELLS LIKE GAS.ALSO INSIDE ITS SMELLS. 2ND TIME IT DID THAT AND SEEMS LIKE AFTER I FEEL UP ALL THE WAY IT DOES IT THEN STOPS TILL I FILL UP AGAIN

NHTSA ODI #11209306

105,000 miles · May 10, 2019
EngineUnknown Or Other

TAKATA RECALL : I HAVE TO DRIVE 47 MILES ON A FAST PACED HIGHWAY IN SOUTHERN FLORIDA IN ORDER TO GET TO MY JOB, DAILY. MULTIPLE TIMES A WEEK I EXPERIENCE A STALL WHILE TRAVELING AT HIGH SPEEDS ON THE HIGHWAY. I TOOK MY CAR TO A LOCAL HYUNDAI DEALERSHIP RECENTLY AND THEY DID NOT EVEN KNOW ABOUT THE UPCOMING RECALL. FOR MONTHS, I …

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TAKATA RECALL : I HAVE TO DRIVE 47 MILES ON A FAST PACED HIGHWAY IN SOUTHERN FLORIDA IN ORDER TO GET TO MY JOB, DAILY. MULTIPLE TIMES A WEEK I EXPERIENCE A STALL WHILE TRAVELING AT HIGH SPEEDS ON THE HIGHWAY. I TOOK MY CAR TO A LOCAL HYUNDAI DEALERSHIP RECENTLY AND THEY DID NOT EVEN KNOW ABOUT THE UPCOMING RECALL. FOR MONTHS, I HAVE BEEN HAVING TO DRIVE MY CAR AND FEEL UNSAFE. I HAVE TO GO TO WORK, AND I DO NOT HAVE ANOTHER VEHICLE OPTION. I FEEL UNSAFE AND AM INCREDIBLY UPSET THAT HYUNDAI HAS NOT FOUND A RESOLUTION YET. IF THIS PROBLEM IS NOT FIXED SOON I WILL BE FORCED TO GET ANOTHER VEHICLE, REGARDLESS OF MY FINANCIAL SITUATION. MY NEXT VEHICLE WILL NOT BE A HYUNDAI, SOLELY BECAUSE OF THE AMOUNT OF TIME THIS RECALL RESOLUTION IS TAKING.

NHTSA ODI #11206928

Mileage unknown · Apr 18, 2019
Engine

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING). THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. NAPLETON'S HYUNDAI OF URBANA (LOCATED AT 1101 NAPLETON WAY, URBANA, IL 61802, (217) 36…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING). THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. NAPLETON'S HYUNDAI OF URBANA (LOCATED AT 1101 NAPLETON WAY, URBANA, IL 61802, (217) 364-7894) WAS CONTACTED AND CONFIRMED THAT THE PART WAS NOT AVAILABLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11197177

68,122 miles · Apr 17, 2019
Engine

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. WHILE THE VEHICLE WAS UNDERGOING ROUTINE MAINTENANCE, THE MECHANIC FOUND THAT THE ENGINE WAS LEAKING OIL FROM THE OIL PAN AREA. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS N…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. WHILE THE VEHICLE WAS UNDERGOING ROUTINE MAINTENANCE, THE MECHANIC FOUND THAT THE ENGINE WAS LEAKING OIL FROM THE OIL PAN AREA. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE FAILURE MILEAGE WAS 68,122. *DT *TR *LN 4-17-2019: CALLED HYUNDAI AND SCHEDULED A CHECKUP OF THE VEHICLE AT THE LOCAL DEALERSHIP. A CASE WAS OPENED WITH HYUNDAI REGARDING THIS. 5-17-2019: VEHICLE CHECKED BY DEALER, DEALER MENTIONED WILL SUBMIT THE OIL PAN SEAPAGE TO HYUNDAI FOR NEXT ACTIONS AND WAS TOLD WILL BE GIVEN A CALL BACK. ATTACHING THE FINDINGS FROM THE DEALER. NO RESPONSE FROM HYUNDAI. 11-14-2019: PHOTOS OF OIL PAN LEAK AGAIN SENT BY DEALER TO HYUNDAI MOTOR AMERICA. HYUNDAI DELCINED TO REPAIR, STATING VEHICLE WAS NOT INVOLVED IN THE HYUNDAI RECALL-181 AND IS OUT OF WARRANTY (OIL PAN LEAK FOUND IS SIMILAR TO NHTSA CAMPAIGN NUMBER: XXXXXXXXX). ATTACHING THE RESPONSE FROM HYUNDAI. ('PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).'*JB

NHTSA ODI #11196861

30,000 miles · Apr 16, 2019
Engine

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (ROUTE 60 HYUNDAI, 85…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (ROUTE 60 HYUNDAI, 8575 20TH ST, VERO BEACH, FL 32966, (772) 569-6004) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. WHILE DRIVING 25 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT HAD TO TURN THE VEHICLE OFF AND BACK ON IN ORDER FOR IT TO RESUME NORMAL OPERATION. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 30,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11196689

Mileage unknown · Apr 12, 2019
Engine

THERE IS A RECALL OUT ON MY VEHICLE. MANUFACTURER RECALL NUMBER 181/NHTSA RECALL NUMBER 19V063. THE PROBLEM IS THAT THERE IS NO REMEDY YET AVAILABLE FOR THIS AND THEY ISSUED THE RECALL IN FEBRUARY. I TOOK MY VEHICLE IN FOR P.M. SERVICE AT THE HYUNDAI DEALERSHIP, AND THEY TOLD ME MY VEHICLE WAS INDEED SYMPTOMATIC OF THE NATURE O…

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THERE IS A RECALL OUT ON MY VEHICLE. MANUFACTURER RECALL NUMBER 181/NHTSA RECALL NUMBER 19V063. THE PROBLEM IS THAT THERE IS NO REMEDY YET AVAILABLE FOR THIS AND THEY ISSUED THE RECALL IN FEBRUARY. I TOOK MY VEHICLE IN FOR P.M. SERVICE AT THE HYUNDAI DEALERSHIP, AND THEY TOLD ME MY VEHICLE WAS INDEED SYMPTOMATIC OF THE NATURE OF THE RECALL (LEAKING FLUID BETWEEN ENGINE BLOCK AND OIL PAN), BUT THAT HYUNDAI DID NOT YET HAVE A REMEDY. WHEN I LOOK UP THE RECALL ON THE NHTSA WEBSITE, IT SAYS,"IF THE MANUFACTURER HAS FAILED OR IS UNABLE TO REMEDY THIS SAFETY RECALL FOR YOUR VEHICLE IN A TIMELY MANNER, PLEASE CONTACT THE NHTSA..." I FEEL AS THOUGH, GIVEN THE POTENTIAL RISK (FAILURE AT HIGH SPEED/POSSIBLE ENGINE FIRE) AND TIMELINE (RECALL ISSUED IN FEBRUARY - NO REMEDY YET AVAILABLE IN MID APRIL), HYUNDAI HAS INDEED FAILED TO REMEDY THIS SAFETY RECALL IN A TIMELY MANNER. FURTHERMORE - I HAVE RECEIVED NO OFFICIAL COMMUNICATIONS FROM HYUNDAI REGARDING THIS MATTER WHICH I FIND UNPROFESSIONAL AS WELL.

NHTSA ODI #11195749

Mileage unknown · Apr 10, 2019
Engine

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE PREMIER HYUNDAI OF TRACY 34…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V063000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE PREMIER HYUNDAI OF TRACY 3480 NAGLEE RD, TRACY, CA 95304 (209) 820-3550 WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS CALLED BUT THE CONTACT WAS NOT ABLE TO SPEAK TO A REPRESENTATIVE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11195374

131,000 miles · Mar 4, 2019
Engine

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR WAS ILLUMINATED. THE VEHICLE WAS TOWED TO HYUNDAI GREENFIELD (6133 S 27TH ST, GREENFIELD, WI 53221, (414) 238-2000) WHERE THE DIAGNOSTIC TEST DISPLAYED "INTERNAL ENGINE NOISE SCAN FOR DTC MULTIPLE CODES CAM SHIFT OVER ADVANCED". THE VE…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR WAS ILLUMINATED. THE VEHICLE WAS TOWED TO HYUNDAI GREENFIELD (6133 S 27TH ST, GREENFIELD, WI 53221, (414) 238-2000) WHERE THE DIAGNOSTIC TEST DISPLAYED "INTERNAL ENGINE NOISE SCAN FOR DTC MULTIPLE CODES CAM SHIFT OVER ADVANCED". THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 131,000.

NHTSA ODI #11183991

80,000 miles · Oct 17, 2018
Air BagsCrashInjury

I WAS INVOLVED IN A CRASH, I WAS CUT OFF AND REAR ENDED A CAR GOING ABOUT 35 MILES AN HOUR. MY AIRBAGS DID NOT DEPLOY, DESPITE THE FACT THAT MY CAR APPEARS TO BE TOTALED, AND WAS STRUCK IN THE FRONT END, WHICH IS WHEN THEY SHOULD DEPLOY. I NOW HAVE PAIN IN MY NECK, SHOULDERS, AND HEAD, AND AM DIZZY BUT UNABLE TO SLEEP BECAUSE OF…

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I WAS INVOLVED IN A CRASH, I WAS CUT OFF AND REAR ENDED A CAR GOING ABOUT 35 MILES AN HOUR. MY AIRBAGS DID NOT DEPLOY, DESPITE THE FACT THAT MY CAR APPEARS TO BE TOTALED, AND WAS STRUCK IN THE FRONT END, WHICH IS WHEN THEY SHOULD DEPLOY. I NOW HAVE PAIN IN MY NECK, SHOULDERS, AND HEAD, AND AM DIZZY BUT UNABLE TO SLEEP BECAUSE OF VERTIGO.

NHTSA ODI #11140810

115,000 miles · Jul 26, 2018
Power Train

TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. WHILE THE VEHICLE WAS AT AN INDEPENDENT MECHANIC FOR ROUTINE MAINTENANCE, THE CONTACT WAS INFORMED THAT THE TRANSMISSION HAD A LEAK. THE CONTACT STATED THAT THE VEHICLE EXHIBITED THE SAME SYMPTOMS AS LISTED IN NHTSA CAMPAIGN NUMBER: 16V057000 (POWER TRAIN). THE DEALER WAS NOT NOTIFIED.…

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TL* THE CONTACT OWNS A 2011 HYUNDAI TUCSON. WHILE THE VEHICLE WAS AT AN INDEPENDENT MECHANIC FOR ROUTINE MAINTENANCE, THE CONTACT WAS INFORMED THAT THE TRANSMISSION HAD A LEAK. THE CONTACT STATED THAT THE VEHICLE EXHIBITED THE SAME SYMPTOMS AS LISTED IN NHTSA CAMPAIGN NUMBER: 16V057000 (POWER TRAIN). THE DEALER WAS NOT NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND DID NOT ASSIST. THE FAILURE MILEAGE WAS APPROXIMATELY 115,000.

NHTSA ODI #11113907

Official recalls

5

23V651000 · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

Sep 22, 2023

Hyundai Motor America (Hyundai) is recalling certain 2011-2015 Elantra, Genesis Coupe, Sonata Hybrid, 2012-2015 Accent, Azera, Veloster, 2013-2015 Elantra Coupe, Santa Fe, 2014-2015 Equus, 2010-2012 Veracruz, 2010-2013 Tucson, 2015 Tucson Fuel Cell, and 2013 Santa Fe Sport vehicles. The Anti-Lock Brake System (ABS) module may leak brake fluid internally and cause an electrical short, which can result in an engine compartment fire while parked or driving.

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 fuse, free of charge. Owner notification letters were mailed April 10, 2024 through October 11, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 251.

19V063000 · Engine And Engine Cooling:engine

Feb 5, 2019

Hyundai Motor America (Hyundai) is recalling certain 2011-2013 Tucson vehicles. The engine oil pan may leak and, if not addressed, the loss of oil may result in engine damage.

Consequence & remedy

Consequence: A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.

Remedy: Hyundai has notified owners, and dealers will inspect for an oil pan leak, replacing it if necessary, and install an updated oil pressure switch, free of charge. The recall began August 19, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 181.

16V057000 · Power Train:automatic Transmission:cooling Unit And Lines

Jan 28, 2016

Hyundai Motor America (Hyundai) is recalling certain model year 2011 Hyundai Tucson vehicles manufactured July 22, 2010, to October 31, 2010. The affected vehicles have a transmission fluid cooler hose that may have been improperly manufactured, resulting in a transmission fluid leak.

Consequence & remedy

Consequence: If enough transmission fluid leaks out, the transmission may not function properly and the vehicle may stop moving, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the transmission fluid cooler hose, free of charge. The recall is expected to begin March 25, 2016. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 139.

14V245000 · Air Bags

May 13, 2014

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.

13V113000 · Exterior Lighting:brake Lights:switch

Apr 1, 2013

Hyundai Motor Company (Hyundai) is recalling certain model year 2006-2009 Accent, model year 2007-2011 Azera, Sonata and Sante Fe,2006-2011 Tucson, 2009-2011 Elantra Touring, 2007-2010 Elantra, 2008-2011 Veracruz, 2009-2011 Genesis, 2010-2011 Genesis Coupe, 2007-2008 Entourage, and 2006-2008 Tiburon vehicles. Originally, in April 2013, Hyundai recalled 1,059,824 model year 2007-2009 Accent and Tucson, model year 2007-2010 Elantra, model year 2007-2011 Santa Fe, model year 2008-2009 Veracruz, model year 2010-2011 Genesis Coupe, and model year 2011 Sonata vehicles. In September 2013, Hyundai informed the agency that it was adding more vehicles to this campaign, representing an additional 652,512 units. The total number of vehicles being recalled is now 1,712,336. In the affected vehicles, the stop lamp switch may malfunction. A malfunctioning stop lamp switch may cause the brake lights to not illuminate when the brake pedal is depressed or may cause an inability to deactivate the cruise control by depressing the brake pedal. Additionally, a malfunctioning stop lamp switch may also result in intermittent operation of the push-button start feature, affect the operation of the brake transmission shift interlock feature, preventing the shifter from being moved out of the PARK position and cause the Electronic Stability Control (ESC) malfunction light to illuminate.

Consequence & remedy

Consequence: Failure to illuminate the stop lamps during braking or inability to disengage the cruise control could increase the risk of a crash. Additionally, when the ignition is in the 'ON' position, the transmission shifter may be able to be moved out of Park without first applying the brake. This may lead to unintentional movement of the car which may increase the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the stop lamp switch, free of charge. The safety recall began on April 22, 2013. Owners may contact Hyundai at 1-800-633-5151. Hyundai's recall campaign number is 110.

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.

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