DI family
DI_w143_mcuLimitActive
Power reduced
What does the DI_w143_mcuLimitActive alert mean?
Drive Inverter Warning: MCU power or torque limit is active
What you'll see in your Tesla
- Power reduced
- Service is required
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.