MyTeslaMate
BMS family

BMS_w006_HW_Ctr_Sfty_Override

Vehicle shutting down

What does the BMS_w006_HW_Ctr_Sfty_Override alert mean?

The battery management system (BMS) detects unexpected voltage on the contactor service bypass pin.

What you'll see in your Tesla

  • Vehicle shutting down
  • PULL OVER SAFELY

What triggers it

The BMS detects that the contactor service bypass pin is asserted when it should not be.

When it clears

The BMS detects the correct voltage on the contactor service bypass pin.

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.