GM Volt Forum banner
hmcp2
1-1 of 1 Results
  1. Chevy Volt Engineering and Design
    Hi Folks, first post for me! (2012 Volt) Has anyone found a schematic or mapped the pins on the two HPCM2 connectors? I have the service high voltage charging system message and my dealer replaced the coolant sensor, which I verified is at 24kohm installed. They told me after the sensor...
1-1 of 1 Results
Top