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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1547 (Sunroof System) >> Diagnostic Information and Procedures >> Power Sunroof Malfunction >> Circuit/System Verification

Circuit/System Verification

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. With the sunroof in the closed position, press the sunroof open switch. The sunroof should open.
    • If the sunroof does not open, refer to Power Sunroof Malfunction.
  2. With the sunroof in the open position, press the sunroof close switch. The sunroof should close.
    • If the sunroof does not close, refer to Power Sunroof Malfunction.
  3. With the sunroof in the closed position, operate the sunroof express open feature. The sunroof should fully open.
    • If the express open feature does not function, refer to Power Sunroof Express Feature Malfunction.
  4. With the sunroof in the open position, operate the sunroof express close feature. The sunroof should fully close.
    • If the express close feature does not function, refer to Power Sunroof Express Feature Malfunction.
  5. Crew cab only - with the sunroof in the closed position, press the sunroof vent open switch. The sunroof should open to the vent position.
    • If the sunroof does not open, refer to Power Sunroof Malfunction.
  6. Crew cab only - with the sunroof in the vent open position, press the sunroof vent close switch. The sunroof should close.
    • If the sunroof does not close, refer to Power Sunroof Malfunction.