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  1. P0B45 - Circuit/sensor(?) issue in the battery

    Generation 2 Volt (2016-2020)
    Drove last night and another MIL came up. P0B45 and P1E00 codes off my BT ODB adapter. Car charges fine. Drives fine. Dropped it off at the dealer. Had 2 techs (one tech service manager as well) looking at it. Laptop plugged in. They also called GM for assistance. Something about a circuit...
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