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) receives over the LIN Bus from the High Temperature Coolant Pump that the voltage is below or above a calibrated threshold to the coolant pump.