Circuit/System Testing

2006 Chevrolet Suburban C2500, 6.0 USECTION Circuit/System Testing
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 Driver Door Switch Memory Recall Switches parameter is approximately 2.75 V while pressing the memory 1 switch.
    • If not the specified value, refer to the Memory Switch component test. If the memory switch tests normal, replace the driver door lock/window switch.
  2. Verify the scan tool Memory Recall Switches parameter is approximately 1.75 V while pressing the memory 2 switch.
    • If not the specified value, test or replace the memory switch.
  3. Verify the scan tool Memory Recall Switches parameter is approximately 1.0 V while pressing the EXIT switch.
    • If not the specified value, test or replace the memory switch.
  4. If all circuits test normal, replace the MSM.
RENDER: 1.0x

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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.