BMS family
BMS_w100_HW_BMB_Reset
Vehicle shutting down
What does the BMS_w100_HW_BMB_Reset alert mean?
A battery monitoring board (BMB) reports a power-on reset event, indicating that the BMB may have previously been unavailable for communication with the battery management system (BMS).
What you'll see in your Tesla
- Vehicle shutting down
- PULL OVER SAFELY
What triggers it
Any BMB experiences a power loss or internal error that causes a power-on reset event.
When it clears
All BMBs stop reporting a power-on reset event.
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.