MyTeslaMate
BMS family

BMS_f070_SW_Iso_Fast_Flood

Service is required

What does the BMS_f070_SW_Iso_Fast_Flood alert mean?

The battery management system (BMS) detects a sudden loss of isolation while the vehicle is driving.

What you'll see in your Tesla

  • Service is required
  • PULL OVER SAFELY

What triggers it

DI_possibleLeak=1, and BMS_a035_SW_Isolation or BMS_a142_SW_Isolation_Degradatio is set, and the pack contains a non-hybrid pyro fuse type.

When it clears

None.

Potential impact

The pack contactors cannot close and the vehicle will not 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.