Battery Management System (BMS)

BMS · Battery Management System · Battery & Energy Storage

An electronic control unit that monitors cell voltages, temperatures and state of charge across a high-voltage battery pack. The BMS orchestrates contactor closure, cell balancing, isolation and thermal protection, and reports to the vehicle control unit over CAN. Most P0A** family DTCs originate here.

See also

SoC State of Charge Thermal Runaway Thermal Runaway Contactor HV Contactor HV Battery High-Voltage Battery

Related Fault Codes

P1AA6 Fault Codes
P1AA7 Fault Codes
RIV_BMS_WARN Fault Codes
U3000 Fault Codes

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