GM Volt Forum banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-1 of 1 Results
  1. Generation 1 Volt (2011-2015) News, Events
    I own an Ampera and few months ago I upgraded HPCM2 and BECM modules with my SPS account. After I went from 9.6 to 8.6 kWh for a average distance of 30-37 miles. Now I want come back to the previous sw version and to do I need a VCI code. Anybody successfully obtained it from GM?
1-1 of 1 Results