Set Condition

WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) controls the Radiator Fan operation by sending a Pulse Width Modulated (PWM) signal to the Radiator Fan Module to control fan speed. The PCM detects an open or shorted circuit is detected in the Radiator Fan Control circuit.