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  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...
  2. Problems, Driver Warnings or DTCs - Gen 1 Volt
    Checked/added coolant .. no leakage appearing. Had codereset at Dealer with recall fix. All good, accepted full charge then message returned on next start. Looking for WOT replacement to eliminate recurrence if possible along with recommendation for low cost, effective OBD scanner. Sounds like...
  3. Problems, Driver Warnings or DTCs - Gen 2 Volt
    I have been driving my 2017 Volt Premier as my daily driver since the start of July 2016, never experienced any driver warnings or error messages until this week. I had not needed to bring my Volt to the dealer for any service issues since purchasing the car. On Monday A.M. I remote started the...
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