BMS family
BMS_a050_SW_Brick_Voltage_MIA
Unable to charge
What does the BMS_a050_SW_Brick_Voltage_MIA alert mean?
The battery management system (BMS) does not have valid data for at least one brick voltage measurement.
What you'll see in your Tesla
- Unable to charge
- Service is required
What triggers it
The BMS detects that it does not have valid voltage measurement data for at least one brick.
When it clears
The battery management system (BMS) does have valid data for all brick voltage measurements.
Potential impact
Inability to charge, and power is reduced
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.