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Re: main 12V battery doesn't charge, no communication with HPCM
Posted to Technical Discussion Forum on 3/12/2025

Load test both 12 volt batteries?

Report EV battery and both 12 volt battery SoC & SoH in scan data.

All-Module scan?

Check the ISG ground to block, and or use a jumper and connect ground to both 12 volt batteries.

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