DIF family
DIF_a121_motorControlRegulation
Not Available
What does the DIF_a121_motorControlRegulation alert mean?
Drive Inverter Warning: Motor control is out of regulation
What you'll see in your Tesla
- Not Available
What triggers it
Motor regulation fails to meet command inputs
When it clears
Reason for trigger is not present
Potential impact
Drive unit enters unit limp mode (see DI_a126_limpMode)
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.