Removal Procedure

Remove the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
Remove the nylon tie straps located at both ends of the sunroof control module (2)

Fig 1: Disconnecting Electric Connectors At Both Ends Of Control Module

Courtesy of GENERAL MOTORS CORP.

Disconnect the electric connectors at both ends of the control module.
Release the module retainers from the metal bracket by sliding the control module toward the left side of the vehicle.
Remove the control module from the sunroof.

Fig 2: Removing Control Module From Sunroof

Courtesy of GENERAL MOTORS CORP.