GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Control Module Replacement

Removal Procedure
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

    2. Object Number: 594492 Size: SH
  2. Remove the nylon tie straps located at both ends of the sunroof control module (2)
  3. Disconnect the electric connectors at both ends of the control module.

    4. Object Number: 594493 Size: SH
  4. Release the module retainers from the metal bracket by sliding the control module toward the left side of the vehicle.
  5. Remove the control module from the sunroof.

Installation Procedure
  1. Position the control module to the sunroof.
  2. Connect both electrical connectors to the ends of the control module.

    3. Object Number: 594493 Size: SH
  3. Install the control module to the sunroof module by sliding it to the right to engage the retainers.

    4. Object Number: 594492 Size: SH
  4. Install the nylon tie straps at both ends of the control module (2)
  5. Check the operation of the sunroof to all positions.
  6. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.