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BMS_f054 — SW Current Sensor

Full alert identifier: BMS_f054_SW_Current_Sensor

Message shown in the car

Service is required Schedule service

Alert description

The battery management system (BMS) detects an issue with the high voltage (HV) internal current sensor.

Potential impact

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

Set condition

The measured current is sufficiently far from zero with contactors open, the current sensor is reporting the same current for too many samples in a row, or the current sensor is behaving irrationally (for example, it is dropping packets).

Clear condition

All of the potential set conditions are false.

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
Min Brick T BMS_a054_minBrickT C
Pack Current BMS_a054_packCurrent A
Pack Resistance BMS_a054_packResistance Ohm
Signal Unit
Err Type BMS_a054_errType
0
MAGNITUDE
1
OFFSET
2
POLARITY
3
LOCKED UP
4
COMM INTEGRITY
—
Read Error Count BMS_a054_readErrorCount —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f054.

Browse all BMS alert codes