DTC P0CF1-00: Hybrid/EV Electronics Coolant Temperature Sensor Circuit High: General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Hybrid EV electronics coolant temperature sensor is located at the upper coolant path entrance of the inverter heat sink inside "Hybrid power control unit".
It detects the inverter heat sink temperature