BMS family
BMS_a069_SW_Low_Power
Battery charge level low
What does the BMS_a069_SW_Low_Power alert mean?
The BMS detects that the state of charge (SOC) of the high voltage (HV) battery is too low to support driving.
What you'll see in your Tesla
- Battery charge level low
- Charge now
What triggers it
The BMS detects that the SOC is below the threshold to support driving.
When it clears
The BMS detects that the SOC is high enough to support driving.
Potential impact
The vehicle begins end-of-drive ramp down.
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.