MyTeslaMate
BMS family

BMS_f059_SW_Pack_Voltage_Sensing

Service is required

What does the BMS_f059_SW_Pack_Voltage_Sensing alert mean?

The battery management system (BMS) detects that the pack voltage does not match the sum of the brick voltages.

What you'll see in your Tesla

  • Service is required
  • PULL OVER SAFELY

What triggers it

The BMS detects that the HV pack voltage differs from the sum of the brick voltages by more than 3%.

When it clears

The BMS detects that the HV pack voltage is within 3% of the sum of the brick voltages.

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.