Theory Of Operation
WARNING: This page is about a different car, the 2014 Dodge Journey. 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 unlock driver circuit. The return path is provided through the door lock driver circuit. For additional information on Power Locks operation, refer to OPERATION .