When Monitored
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. 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 Head Restraint over the Passenger Head Restraint Solenoid Signal circuits. The Passenger Head Restraint communication and on board diagnostics are powered by the ORC signal.