BMS family
BMS_w062_SW_Ctr_Pwr_Supply
Service is required
What does the BMS_w062_SW_Ctr_Pwr_Supply alert mean?
The battery management system (BMS) has detected that a pack contactor is not getting enough power.
What you'll see in your Tesla
- Service is required
- PULL OVER SAFELY
What triggers it
The BMS detects that a pack contactor input voltage dropped below the limit threshold.
When it clears
The BMS detects that both pack contactor input voltages are above the limit threshold.
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.