When Monitored

WARNING: This page is about a different car, the 2015 RAM 1500. 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:

No sensor supply voltage Diagnostic Trouble Codes (DTCs) set.
No electrical DTCs set for sensors used in this diagnostic.
No Controller Area Network (CAN) DTCs set for speed signals used in the diagnostic.