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range lose after update

  1. Problems, Driver Warnings or DTCs - Chevy Volt
    I started some discutions but nobody answer this simple question. I get the SHVCS message 2 weeks ago and the only solution offered by my dealer service was to update the battery module software and another one. I don't get more than 9.3kwh maximum and as low as 8.9kwh, did your kwh used were...