GM Service Manual Online
For 1990-2009 cars only

Perform the Initialization/Teach Process any time a new sunroof motor actuator is installed in the vehicle.

  1. Ensure that the electrical harness on the headliner is connected to the sunroof.
  2. Press the sunroof switch to the close position until the window stops at the front hard stop in the fully closed position, then moves slightly back to the soft stop position. Release the switch. (This is the initialization portion).
  3. Within 6 seconds, press and hold the close switch again. After 3 more seconds, the sunroof window will move toward the open position . (This is the teach portion).
  4. Continue holding the switch until the sunroof window moves back to the close and stops at the closed position. Release the button. The initialization/Teach procedure is complete.
  5. Verify the operation of the sunroof.

    Important: Re-Initialization/Teach for the original motor.

  1. Perform the Reinitialization/Teach process any time the sunroof motor in removed form the sunroof.
  2. Ensure that the electrical harness on the headliner is connected to the sunroof.
  3. Press the sunroof switch to the close position until the window stops at the front soft stop in the fully closed position. Release the switch then press to the close position again and hold for 10 seconds or greater. The sunroof will then stall at the hard stop, and move back sightly to the soft stop position. Release the switch. (This is the re-initialization portion).
  4. Within 6 seconds, press and hold the close switch again. After 3 more seconds, the sunroof window will move toward the open position. (This is the teach portion).
  5. Continue holding the switch until the sunroof window moves back to the close and stops at the closed position. Release the button. The initialization/Teach procedure is complete.
  6. Verify the operation of the sunroof.

Important: If in the Initialization/Teach Process is not complete, the following actions must take place before the initialization cycle is done:

   • The sunroof switch is not held in the close position.
   • The ignition and/or battery power has been removed.
   • The glass panel has not reached the closed position.
The Initialization/Teach Process must be restarted if the procedure is not carried out completely.