Component Parts: HPCM
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
HPCM (Hybrid Powertrain Control Module) consists of a microcomputer and input/output connectors for signal and power supply. It performs integrated control of the hybrid control system based on the various control modules and the signals from the sensors.
HPCM also functions as a gateway between HEV system CAN communication and CAN communication.