Removal Procedure

Remove the door trim panel. Refer to Trim Panel Replacement - Side Rear Door or Trim Panel Replacement - Side Front Door .
Disconnect the electrical connectors (2) from the control module.
Remove the door control module (1) by releasing the retainer tabs (3).

Fig 1: Disconnecting Electrical Connectors & Removing Door Control Module By Releasing Retainer Tabs
Courtesy of GENERAL MOTORS CORP.