When Monitored
WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
The Occupant Restraint Controller (ORC) continuously communicates with the Passenger Headrest over the Active Head Restraint 1st Row Passenger Signal circuits. The Passenger Headrest communication and on board diagnostics are powered by the ORC signal.