BMSSEMI family
BMSSEMI_a050_SystemGracefulPowerOff
Vehicle shutting down
What does the BMSSEMI_a050_SystemGracefulPowerOff alert mean?
BMS detects that all online packs have reached a low power condition, and need to come offline.
What you'll see in your Tesla
- Vehicle shutting down
- PULL OVER SAFELY
What triggers it
All of the online packs have a LowPower alert set
When it clears
All packs have been commanded offline
Potential impact
Current and power limits will ramp down to 0
Affected models
Semitruck
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.