MyTeslaMate
BMS family

BMS_f051_SW_Current_Sensor_MIA

Service is required

What does the BMS_f051_SW_Current_Sensor_MIA alert mean?

The battery management system (BMS) cannot communicate with the high voltage (HV) battery internal current sensor and has reported it as missing (MIA).

What you'll see in your Tesla

  • Service is required
  • PULL OVER SAFELY

What triggers it

The BMS is not receiving one or more communication messages from the internal current sensor/shunt when expected.

When it clears

The BMS establishes communication with the internal current sensor.

Potential impact

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

Affected models

Model S 2012-2020 Model X 2015-2020

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.