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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1711 (THEFT DETERRENT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPICKUP BOX BED SENSOR INOPERATIVECOMPONENT TESTING
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Component Testing

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Component Testing
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the bed sensor.
  2. With the switch open, test for infinite resistance between the signal circuit terminal A and the ground circuit terminal B.
    • If not the specified value, replace the bed sensor.
  3. With the switch closed, test for less then 5 ohms between the signal circuit terminal A and the ground circuit terminal B.
    • If greater than the specified range, replace the bed sensor.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.