NHTSA Defect Investigations for the 2012 Hyundai Sonata Hybrid

The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2012 Hyundai Sonata Hybrid, both ongoing and closed, are listed below:

  1. INVESTIGATION: Air bags may be disabled during crash

    NHTSA Preliminary Evaluation #PE18003

    Component(s): Air Bags
    Air Bags: Air Bag Control Module
    Air Bags:Frontal
    Air Bags:Frontal:Driver Side Inflator Module
    Air Bags:Passenger Side Frontal
    Air Bags:Side/Window
    Seat Belts:Pretensioner

    Summary: The Office of Defects Investigation (ODI) opened PE18-003 on 3/16/18 to investigate incidents involving crashes, resulting in significant collision related damage, where the frontal airbags failed to deploy. ODI reviewed complaint data, available design, test, and field data on the model year (MY) 2011 Hyundai Sonata, MY 2012-2013 Kia Forte and Forte Koup vehicles. ODI also evaluated data from the automotive air bag system supplier, ZF-TRW (ZF), to review vehicles that may contain the same air bag control unit (ACU) used in the subject vehicles. Hyundai Motor America (HMA) issued recall No. 18V-137 for MY 2011-2013 Sonata and MY 2012 Sonata Hybrid vehicles. Kia Motors America (KMA) issued recall No. 18V-363 for MY 2010-2013 Kia Forte and Forte Koup, MY 2011-2013 Optima, MY 2011-2012 Optima Hybrid, and MY2011-2012 Sedona vehicles. The two recalls address vehicles containing ACUs manufactured without adequate circuit protection by installing a wire harness filter kit to prevent internal damage to the ACU. In the event of a crash, ACU damage may result in the disablement of the vehicle's airbags. Each respective manufacturer has mailed letters to affected vehicle owners informing them of the remedy and its availability. ODI plans to evaluate the susceptibility of the subject ACU to electrical signals, as well as other vehicle factors that can either lead to, or reduce the likelihood of, an electrical overstress event in other vehicles manufactured with the subject ZF ACU.Accordingly, this Preliminary Evaluation has been upgraded to an Engineering Analysis (EA19-001), to expand the scope of the investigation to include the Tier-one supplier and any manufacturers who installed the subject ACU in production vehicles. Additional information is available with the closing resume available at NHTSA.gov (see Associated Documents).The ODI complaints cited above can be viewed at www.NHTSA.gov under the following ODI identification numbers: 10781050, 10849839, 11099038, 11080341.

  2. INVESTIGATION: Non-crash Vehicle Fires

    NHTSA Defect Investigation #DP18003

    Component(s): Electrical System
    Electrical System: Battery: Propulsion System
    Electrical System: Instrument Panel
    Electrical System:Alternator/Generator/Regulator
    Electrical System:Battery
    Electrical System:Battery:Cables
    Electrical System:Fuses And Circuit Breakers
    Electrical System:Ignition
    Electrical System:Ignition:Anti-Theft Controller
    Electrical System:Ignition:Module
    Electrical System:Ignition:Switch
    Electrical System:Starter Assembly
    Electrical System:Starter Assembly:Relay
    Electrical System:Starter Assembly:Solenoid
    Electrical System:Wiring
    Electrical System:Wiring: Rear Compartment/Trunk
    Electrical System:Wiring:Front Underhood
    Electrical System:Wiring:Interior/Under Dash
    Engine
    Engine And Engine Cooling
    Engine And Engine Cooling:Cooling System
    Engine And Engine Cooling:Cooling System:Fan
    Engine And Engine Cooling:Cooling System:Hose
    Engine And Engine Cooling:Cooling System:Radiator Assembly
    Engine And Engine Cooling:Engine
    Engine And Engine Cooling:Engine:Gasoline
    Engine And Engine Cooling:Engine:Gasoline:Belts

    Summary: In a letter dated June 11, 2018, the Center for Auto Safety (CAS) petitioned the National Highway Traffic Safety Administration (NHTSA) to initiate a safety defect investigation into non-collision related fires on model year (MY) 2011-2014 Kia Optima and Sorento, and Hyundai Sonata and Santa Fe vehicles. In a letter dated July 24, 2018, CAS requested that MY 2010-2015 Kia Soul vehicles be added to the petition. CAS stated that there is a higher number of complaints to NHTSA regarding non-crash fires on these vehicles compared to other similar vehicles. The Office of Defects Investigation (ODI) had already opened Recall Queries (RQ17-003 and RQ17-004) on all Kia and Hyundai vehicles equipped with Theta II engines for engine failures that may cause stalling and fires.The queries cover most of the petition subject Optima, Sorento, Sonata, and Santa Fe vehicles but not any of the subject Soul vehicles.On August 21, 2018, ODI opened a Defect Petition (DP18-003) to evaluate whether to grant or deny the CAS petition. ODI sent Information Request letters to Kia and Hyundai (September and October 2018) requesting information on all engine and non-engine related fires in the petition vehicles.ODI performed extensive analysis on the information obtained from Kia and Hyundai. During the DP18-003 analysis, Kia and Hyundai each initiated three additional safety recalls related to engine compartment fires on certain petitioned and non-petitioned vehicles (nearly 740,000 total vehicles: Recalls 18V-907, 18V-934, 19V-101, 19V-063, 19V-120, and 19V-204). Based on ODI-s review of the applicable materials, including responses to Information Requests sent to multiple manufacturers, Vehicle Owner Questionnaires (VOQ), and Early Warning Data, NHTSA decided to grant the petition.The CAS petition was granted on March 29, 2019. Preliminary Evaluations (PE19-003 on Hyundai and PE19-004 on Kia) have been opened to assess the scope, frequency, and potential safety-related consequences of alleged defects relating to non-collision vehicle fires in the 2011-2014 Kia Optima and Sorento, 2011-2014 Hyundai Sonata and Santa Fe, and 2010-2015 Kia Soul.Attached is a list of the reference numbers for the 404 VOQs cited above.

  3. INVESTIGATION: Non-crash Vehicle Fires

    NHTSA Preliminary Evaluation #PE19003

    • Status:
      PENDING
    • Date Opened: March 29, 2019
    • Date Closed: N/A
    • Recall: No recall yet

    Component(s): Electrical System
    Electrical System: Battery: Propulsion System
    Electrical System:Alternator/Generator/Regulator
    Electrical System:Battery
    Electrical System:Battery:Cables
    Electrical System:Fuses And Circuit Breakers
    Electrical System:Starter Assembly
    Electrical System:Starter Assembly:Relay
    Electrical System:Starter Assembly:Solenoid
    Electrical System:Wiring
    Electrical System:Wiring: Rear Compartment/Trunk
    Electrical System:Wiring:Front Underhood
    Electrical System:Wiring:Interior/Under Dash
    Engine
    Engine And Engine Cooling
    Engine And Engine Cooling:Cooling System
    Engine And Engine Cooling:Cooling System:Fan
    Engine And Engine Cooling:Cooling System:Hose
    Engine And Engine Cooling:Cooling System:Radiator Assembly
    Engine And Engine Cooling:Engine
    Engine And Engine Cooling:Engine:Diesel
    Engine And Engine Cooling:Engine:Gasoline
    Engine And Engine Cooling:Engine:Gasoline:Belts And Associated Pulleys
    Engine And Engine Cooling:Engine:Gasoline:Turbo-Charger
    Engine And Engine Cooling:Engine:Other Fuel Types:Turbo-Charg

    Summary: In a letter dated Jun 11, 2018, the Center for Auto Safety (CAS) petitioned the National Highway Traffic Safety Administration (NHTSA) to initiate a safety defect investigation into non-collision related fires on model year (MY) 2011-2014 Kia Optima and Sorento, and Hyundai Sonata and Santa Fe vehicles.In a letter dated July 24, 2018, CAS requested that MY 2010-2015 Kia Soul vehicles be added to the petition.CAS stated that there is a higher number of complaints to NHTSA regarding non-crash fires on these vehicles compared to other similar vehicles.The Office of Defects Investigation (ODI) had already opened a Recall Query (RQ17-004) on all Hyundai vehicles equipped with Theta II engines for engine failures that may cause stalling and fires.The query covers most of the petition subject Sonata and Santa Fe vehicles.On August 21, 2018, ODI opened a Defect Petition (DP18-003) to evaluate whether to grant or deny the CAS petition.ODI sent an Information Request letter to Hyundai (September 2018) requesting information on all engine and non-engine related fires in the petition Hyundai vehicles.ODI performed extensive analysis on the information obtained from Hyundai.During the DP18-003 analysis, Hyundai initiated three additional safety recalls related to engine compartment fires on certain petitioned and non-petitioned vehicles, (nearly 240,000 total vehicles: Recalls 18V-934, 19V-063, and 19V-204). In addition to engine compartment fires, ODI has received allegations of vehicle fires affecting other components, including taillight housings, taillight wire harnesses, and/or light bulbs. Based on ODI's review of the applicable materials, including responses to Information Requests sent to multiple manufacturers, Vehicle Owner Questionnaires (VOQ), and Early Warning Data, NHTSA has decided to grant the petition.The petition is hereby granted. A Preliminary Evaluation has been opened to assess the scope, frequency, and potential safety-related consequences of alleged defects relating to non-collision vehicle fires in the 2011-2014 Sonata and 2011-2014 Santa Fe.While prior recalls of vehicles covered by this PE have primarily related to engine fires, NHTSA's Preliminary Evaluation is not limited to engine components and may cover additional vehicle systems or components as well.Attached is a list of the reference numbers for the 160 VOQs cited above.

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