BMS family
BMS_f019_SW_BMB_Module_OT
Vehicle systems too hot
What does the BMS_f019_SW_BMB_Module_OT alert mean?
A battery management board (BMB) has detected an over temperature condition in a battery module.
What you'll see in your Tesla
- Vehicle systems too hot
- PULL OVER SAFELY
What triggers it
A module thermistor has reported a higher temperature than expected.
When it clears
BMB detects that all battery modules are reporting the acceptable level of temperature.
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.