BMS family
BMS_f140_SW_OverCurrent_Sense
Service is required
What does the BMS_f140_SW_OverCurrent_Sense alert mean?
The battery management system (BMS) has detected that there is a high voltage (HV) battery current sensor (shunt) error.
What you'll see in your Tesla
- Service is required
- Schedule service
What triggers it
The BMS detects a HV battery current sensor (shunt) is unable to trip its over current fault line.
When it clears
The BMS detects that the condition clears.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Model S 2012-2020
Model X 2015-2020
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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.