BMS family
BMS_w180_ReplaceSmartFuseBlockHv
Battery fuse replacement required
What does the BMS_w180_ReplaceSmartFuseBlockHv alert mean?
The Battery Management System (BMS) has detected the High Voltage (HV) battery pyro fuse is close to expiration or expired. The fuse must be replaced with a new self-powered hybrid pyro fuse.
What you'll see in your Tesla
- Battery fuse replacement required
- Schedule service immediately
What triggers it
BMS detects that the HV battery pyro fuse is 15 months past its recommended end of life.
When it clears
Pyro fuse is replaced with a self-powered hybrid pyro fuse.
Potential impact
The pack contactors are blocked from closing and the vehicle is unable to drive.
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.