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 2003 Chevrolet Silverado 3500, both ongoing and closed, are listed below:

  1. INVESTIGATION: TAILGATE CABLE BREAKAGE

    NHTSA #EA04005

    Status:
    RECALLED

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  2. INVESTIGATION: PARKING BRAKE FAILURE

    NHTSA #DP05009

    Status:
    CLOSED

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  4. INVESTIGATION: PARKING BRAKE FAILURE

    NHTSA #EA04011

    Status:
    RECALLED

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  5. INVESTIGATION: Brake line corrosion failure

    NHTSA #EA11001

    Status:
    CLOSED

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  6. INVESTIGATION: HYDRAULIC PUMP FAILRES

    NHTSA #EA04012

    Status:
    RECALLED

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