GM Volt Forum banner


  1. Well GM FINALLY got round to sending out Campaign (Recall) for Gen 1 Volt in Australi

    "Hybrid Powertrain Control Module 2" HPCM2 software to increase time before low voltage / reduce power is engaged. It could be a serious issue in traffic for the minority of Volt owners who have developed battery problems. Mine is still amazing in summer time - even peaked 82Km estimated EV...