BMS family
BMS_w001_HW_Over_Current
Service is required
What does the BMS_w001_HW_Over_Current alert mean?
The battery management system (BMS) has detected that the high voltage (HV) battery pack current exceeds the hardware overcurrent threshold.
What you'll see in your Tesla
- Service is required
- PULL OVER SAFELY
What triggers it
The BMS detects that the pack current exceeds the hardware overcurrent threshold.
When it clears
The BMS detects that pack current falls below the hardware overcurrent 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.