DIF family
DIF_a073_motorSpeed
Not Available
What does the DIF_a073_motorSpeed alert mean?
The Drive Unit resolver (motor speed sensor) has detected the motor exceeding typical speed.
What you'll see in your Tesla
- Not Available
What triggers it
The Drive Unit resolver has detected the motor exceeding typical speed. The rotor or rotor shaft may have a condition affecting functionality.
When it clears
The resolver no longer detects the motor exceeding typical speed.
Potential impact
The motor is exceeding typical speed. The motor and Drive Unit may not function as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.