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Why do you bother with PPBUS_G3H if even battery is charging?
A problem on battery bus will impede charing battery and also blocks the correct control of PPBUS_G3H voltage.
i'm not sure what parts was affected by liquid. it was thoroughly cleaned soon after i received it. it stays in this recovery mode and a restore will make it power up but with the error. i'm using a usb type A port on a 2014 mac mini. Maybe that could that be an issue