Theory Of Operation?
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
After receiving the appropriate requests over the communication network, the Body Control Module (BCM) controls an internal relay to provide voltage to all the door lock motors on the door lock driver circuit. The return path is provided through the Door Lock Control circuit. For additional information on Power Locks operation. Refer to OPERATION .