Theory Of Operation
WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
The Body Control Module (BCM) provides voltage to the Universal Garage Door Opener (UGDO) located in the visor. When the anti-theft alarm is active, the BCM disables the power feed to the UGDO. For additional information. Refer to DESCRIPTION .