BMS family
BMS_a107_SW_Stack_Voltage_MIA
Unable to charge
What does the BMS_a107_SW_Stack_Voltage_MIA alert mean?
The battery management system (BMS) cannot measure one or more stack voltages.
What you'll see in your Tesla
- Unable to charge
- Service is required
What triggers it
The BMS detects it cannot measure one or more stack voltages.
When it clears
The BMS detects that the condition clears.
Potential impact
Inability to charge.
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.