Circuit/System Testing

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Circuit/System Testing
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, verify the scan tool Memory Recall Switches parameter is approximately 2.74 volts while pressing the memory 1 switch.
    • If the parameter is not the specified value, refer to Memory Switch component test below. If the switch tests normal, replace the driver door switch.
  2. Verify the scan tool Memory Recall Switches parameter is approximately 1.78 volts while pressing the memory 2 switch.
    • If the parameter is not the specified value, replace the memory switch.
  3. Verify the scan tool Memory Recall Switches parameter is approximately 0.96 volt while pressing the EXIT switch.
    • If the parameter is not the specified value, replace the memory switch.
  4. If all circuits test normal, replace the memory seat module.
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When to See a Mechanic

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

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