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 1999 GMC Yukon, both ongoing and closed, are listed below:

  1. INVESTIGATION: SEAT BELT ANCHORAGE SEPARATION

    NHTSA #EA01018

    Status:
    CLOSED

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  2. INVESTIGATION: SEAT BELT ANCHORAGE SEPARATION

    NHTSA #PE01023

    Status:
    CLOSED

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  4. INVESTIGATION: Brake line corrosion failure

    NHTSA #PE10010

    Status:
    CLOSED

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  5. INVESTIGATION: UNWANTED LOW-SPEED ABS ACTIVATION

    NHTSA #PE05020

    Status:
    RECALLED

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  6. INVESTIGATION: ERRATIC POWER STEERING ASSIST WHILE DRIV

    NHTSA #EA99011

    Status:
    CLOSED

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  7. INVESTIGATION: THROTTLE STICKING CLOSED

    NHTSA #EA02015

    Status:
    CLOSED

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