BMS family
BMS_a179_HvpGpoRequestActive
Vehicle may not restart
What does the BMS_a179_HvpGpoRequestActive alert mean?
The battery management system (BMS) receives a request from the high voltage processor (HVP) to initiate a graceful power off (GPO).
What you'll see in your Tesla
- Vehicle may not restart
- Service is required
What triggers it
The battery management system (BMS) receives a request from the high voltage processor (HVP) to initiate a graceful power off (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.