MyTeslaMate
DI family

DI_f121_motorControlRegulation

Unable to drive

What does the DI_f121_motorControlRegulation alert mean?

Drive Inverter Fault: Motor control is out of regulation

What you'll see in your Tesla

  • Unable to drive
  • PULL OVER SAFELY

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.