I have stumbled upon a hold/ recharge type mode on MY2012 Volt. I been playing with the diagnostics of the Volt and figured out how to force start the engine in CS/ Recharge mode via computer and MDI module. I have been using this mode the past few days on my long hr+ highway trips. So far it does seem it is holding charge but while stopped/parked engine runs at idle, charges battery, and does not turn off automatically as it does in CS mode. I am looking to possibly have a developer make an app on android and use the Obdlink MX adapter to send the commands manually. This is just a proof of concept until I can reverse engineer the OBD2 commands to start engine through bluetooth instead of PC.
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