MyTeslaMate
DI family

DI_a138_rear2UnitDisabled

Power Reduced

What does the DI_a138_rear2UnitDisabled alert mean?

Drive Inverter Warning: Rear 2 drive unit disabled.

What you'll see in your Tesla

  • Power Reduced
  • Rear Axle 2 Motor temporarily disabled

What triggers it

Fault detected in the front drive unit

When it clears

Fault in front drive unit is no longer present

Potential impact

Unable to produce any torque or power on the front wheels

Affected models

Semitruck

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.