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BMS_f080 — SW Int HV Disconnect

Full alert identifier: BMS_f080_SW_Int_HV_Disconnect

Message shown in the car

Service is required Schedule service

Alert description

The battery management system (BMS) has detected that the high voltage (HV) battery pack voltage differs from the sum of the brick voltages, making the HV battery unavailable for charging, driving, or supporting the low voltage (LV) battery.

Potential impact

The vehicle is unable to charge or drive. The high voltage (HV) battery cannot support the low voltage (LV) battery.

Set condition

The high voltage (HV) battery pack voltage differs from sum of all the brick voltages.

Clear condition

The high voltage (HV) battery voltage minus the sum of all the brick voltages is within the accepted tolerance for difference.

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
Pack Current BMS_a080_packCurrent
-512
SNA
A
Pack Minus BMS_a080_packMinus V
Pack Plus BMS_a080_packPlus V
Pack V BMS_a080_packV V
Sum Of Brick V BMS_a080_sumOfBrickV V
Signal Unit
State BMS_a080_state —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f080.

Browse all BMS alert codes