BMS family
BMS_f033_SW_Crash
Service is required
What does the BMS_f033_SW_Crash alert mean?
The battery management system (BMS) detects that there was loss of power to pack contactors while they are closed. The BMS assumes that the pyro fuse on the contactor power supply signal blew during a crash.
What you'll see in your Tesla
- Service is required
- PULL OVER SAFELY
What triggers it
The BMS detects that there is a loss of power to pack contactors while they are closed.
When it clears
The BMS detects that power has been restored to pack contactors.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
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.