BMS family
BMS_a176_SW_GracefulPowerOff
Vehicle shutting down
What does the BMS_a176_SW_GracefulPowerOff alert mean?
A graceful power (GPO) off has been activated by the battery management system (BMS).
What you'll see in your Tesla
- Vehicle shutting down
- PULL OVER SAFELY
What triggers it
The BMS detects a condition that requires it to start GPO.
When it clears
The BMS detects that the condition clears.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.