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hpcm2 replaced
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  1. Care, Maintenance & Service - Gen2 Volt
    2016 would not charge, so dealer finally changed HPCM2. Volt now charges but range dropped 30%. Battery usage now dropper to 10.2 KWh (was 14.2 KWh). Is there a calibration issue?
    gen 2 has 10.2kwh ussage hpcm2 replaced reduced range
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