BMS family
BMS_w146_SW_Brick_Overdischarged
Vehicle may not restart
What does the BMS_w146_SW_Brick_Overdischarged alert mean?
The battery management system (BMS) has detected that a brick is over-discharged.
What you'll see in your Tesla
- Vehicle may not restart
- Service is required
What triggers it
The BMS detects that a brick voltage measured below the minimal threshold.
When it clears
The BMS detects that a brick voltage measured above the minimal 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.