When Monitored

WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs continuously when the following conditions are met:

Engine running.
System voltage between 10.0 and 16.0 volts.
Adaptive Cruise Control (ACC) Module is not in Plant-Mode.
ESP is not in diagnostic mode.
ACC or Forward Collision Warning (FCW) system is enabled.