BMS family
BMS_f097_HW_BMB_Under_Voltage
Service is required
What does the BMS_f097_HW_BMB_Under_Voltage alert mean?
A battery monitoring board (BMB) reports a brick under voltage event, indicating that the BMB has detected a brick voltage lower than the minimum allowed brick voltage threshold.
What you'll see in your Tesla
- Service is required
- PULL OVER SAFELY
What triggers it
A brick voltage drops below the minimum allowed brick voltage threshold.
When it clears
All brick voltages are above the minimum allowed brick voltage threshold.
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.