Set Condition

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.

The Electric Vehicle Control Unit (EVCU) sends a Pulse-Width Modulated (PWM) signal to the Cooling Fan Module to operate the Engine Cooling Fan. The EVCU detects that the Cooling Fan Control circuit voltage is above a calibrated threshold for a calibrated amount of time.