Theory Of Operation
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.
This sensor is wired to the Power Inverter Module (PIM). The Hybrid Control Processor (HCP) compares the various Temperature Sensor readings. If one sensor is out of range with the other sensors, a DTC is set in the HCP.