The high voltage (HV) battery detected an unexpected HV bus behavior.
Often, this fault will trigger when the HV battery does a precharge dynamic weld check. Prior to closing the contactors, the Battery Management System (BMS) checks for any stuck or welded contactors. The BMS moves the pack plus and pack minus, after which the BMS compares movement of both packs. The BMS expects no movement from the Direct Current (DC) link plus and DC link minus.
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