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 1998 Audi A4, both ongoing and closed, are listed below:

  1. INVESTIGATION: STUCK-OPEN THROTTLE

    NHTSA #EA04017

    Status:
    RECALLED

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  2. INVESTIGATION: DEGRADED BRAKING IN WET WEATHER

    NHTSA #EA00021

    Status:
    CLOSED

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