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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1256 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSSUNROOF CONTROL MODULE PROGRAMMING AND SETUPSUNROOF MOTOR/ACTUATOR RE-INITIALIZATION: MAY BE DUE TO RELATED COMPONENT SERVICE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Sunroof Motor/Actuator Re-Initialization: May Be Due To Related Component Service

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Sunroof Motor/Actuator Re-Initialization: May Be Due To Related Component Service
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.

If battery positive voltage or ground is removed and re-installed from the sunroof motor/actuator, the following procedure must be performed in the following order:

  1. Place the ignition switch to the ON position.
  2. Press and hold the sunroof switch to the OPEN position until the glass panel stops at the rear soft stop position.
  3. Release the sunroof switch.
  4. Press and hold the sunroof switch again to the OPEN position for 10 seconds or more. The sunroof will stall at the hard stop position, then move back to the soft stop position.
  5. Release the sunroof switch.
  6. Within 6 seconds, press and hold the sunroof switch again to the OPEN position. After 3 more seconds, the glass panel will move toward the close position. Continue pressing the switch until the glass stops at the closed position.
  7. Release the sunroof switch.
  8. Verify sunroof operation. Refer to Sunroof Description and Operation .

The re-initialization procedure is not complete if one of the following actions occur before the procedure is complete:

  • The sunroof switch is not held in the OPEN position.
  • The ignition switch is turned to the OFF position.
  • Battery positive voltage is removed.
  • The glass panel did not reach the fully closed position.
RENDER: 1.0x

NO RELATED

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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.