DIF family
DIF_a154_resolver
Not Available
What does the DIF_a154_resolver alert mean?
The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.
What you'll see in your Tesla
- Not Available
What triggers it
The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.
When it clears
The resolver begins functioning as expected. Review the logs to crack alert.
Potential impact
The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.
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.