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 2500, 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 #PE03057

   Status:

   CLOSED

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4. INVESTIGATION: PARKING BRAKE FAILURE

   NHTSA #DP05009

   Status:

   CLOSED

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5. INVESTIGATION: PARKING BRAKE FAILURE

   NHTSA #EA04011

   Status:

   RECALLED

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6. INVESTIGATION: Brake line corrosion failure

   NHTSA #PE10010

   Status:

   CLOSED

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7. INVESTIGATION: Brake line corrosion failure

   NHTSA #EA11001

   Status:

   CLOSED

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8. INVESTIGATION: HYDRAULIC PUMP FAILRES

   NHTSA #EA04012

   Status:

   RECALLED

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9. INVESTIGATION: STEEL WHEEL RIM FRACTURE

   NHTSA #PE03026

   Status:

   CLOSED

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