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BMS_f031 — SW Precharge Res Hot

Full alert identifier: BMS_f031_SW_Precharge_Res_Hot

Message shown in the car

Unable to start vehicle Service is required

Alert description

The battery management system (BMS) has detected that the HV battery precharge resistor is above the maximum operating temperature.

Potential impact

Inability to charge, drive, or support the low voltage (LV) system

Set condition

The BMS detects that pack contactors have opened and closed too many times in a short period of time.

Clear condition

The BMS detects that enough time has passed before pack contactors are closed again.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Bms Pcb T BMS_a031_bmsPcbT C
Pre Chg Res T BMS_a031_preChgResT C
Vehicle 12 V BMS_a031_vehicle12V V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f031.

Browse all BMS alert codes