BMS family
BMS_w098_HW_BMB_Over_Voltage
Service is required
What does the BMS_w098_HW_BMB_Over_Voltage alert mean?
A battery monitoring board (BMB) reports a brick over voltage event, indicating that the BMB has detected a brick voltage higher than the maximum allowed brick voltage threshold.
What you'll see in your Tesla
- Service is required
- PULL OVER SAFELY
What triggers it
A brick voltage exceeds the maximum allowed brick voltage threshold.
When it clears
All brick voltages are below the maximum 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.