BMS family
BMS_a089_SW_VcFront_MIA
Not Available
What does the BMS_a089_SW_VcFront_MIA alert mean?
The battery management system (BMS) detects that vehicle controller front (VCFRONT) is missing (MIA) while the vehicle is not in a drive state.
What you'll see in your Tesla
- Not Available
What triggers it
The BMS has not received one more expected CAN messages from VCFRONT while not in drive.
When it clears
The BMS receives all expected CAN messages from VCFRONT while the vehicle is not in drive.
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.