MyTeslaMate
BMS family

BMS_f107_SW_Cell_Voltage_Sensor

Service is required

What does the BMS_f107_SW_Cell_Voltage_Sensor alert mean?

The battery management system (BMS) detects a brick voltage measurement that is inaccurate.

What you'll see in your Tesla

  • Service is required
  • Schedule service

What triggers it

A brick reports an inaccurate voltage measurement to the BMS. Alert log signal data provides information on the specific inconsistency.

When it clears

All bricks report nominal voltage measurement readings.

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.