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.
Once the 115 Volt A/C Power Outlet switch is pressed, a network communication message is sent to the Body Control Module (BCM) to enable the Power Inverter Module. The BCM provides a voltage output to enable the Power Inverter Module. Once the Power Inverter Module is functional, it sends a signal to the BCM indicating that it is ready to function. The BCM then sends out a network communication message requesting illumination of the status indicator on the 115 Volt AC Outlet switch.