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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1001 (Adjustable Pedal System) >> Diagnostic Information and Procedures >> Adjustable Pedals Inoperative (with memory) >> Circuit/System Verification

Circuit/System Verification

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. Install a scan tool and display the MSM adjustable pedal information.
  2. Verify that none of the switches are displayed as Active while in an inactive state.
    • If any of the switch inputs are Active, perform the Adjustable Pedal Switch Circuit Test.
  3. Verify that the switch inputs are displayed as Active while the switch is pressed.
    • If any of the switch inputs remain Inactive while the switch is pressed, perform the Adjustable Pedal Switch Circuit Test.
  4. If the switch inputs to the MSM function normal, perform the Motor Control Circuit Test.
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