BMS family
BMS_u012_Fast_Charger_Incompat
Unable to charge
What does the BMS_u012_Fast_Charger_Incompat alert mean?
The battery management system (BMS) has detected that the fast charger is not compatible with the firmware (FW) version installed on the vehicle.
What you'll see in your Tesla
- Unable to charge
- Software update required
What triggers it
The BMS detects that the vehicle FW is not compatible with the fast charger.
When it clears
The BMS detects that the FW is compatible with the fast charger.
Potential impact
Inability to DC fast charge
Affected models
Model S 2012-2020
Model X 2015-2020
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.