Where is the body control module located on a 2003 GMC sierra 1500?

On a 2003 GMC Sierra 1500, the Body Control Module (BCM) is typically located underneath the dashboard on the driver's side. It is mounted on the left side, near the steering column. You may need to remove some panels to access it properly. Always ensure the vehicle’s battery is disconnected before attempting to work on or remove the BCM.