When Monitored:
WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The ORC checks the Driver Seat Belt Buckle Switch input current when the ignition ON and the Occupant Restraint Controller (ORC) configured for a Driver Seat Belt Buckle Switch.