DIF family
DIF_a126_limpMode
Power reduced
What does the DIF_a126_limpMode alert mean?
Drive Inverter Warning: Unit limp mode triggered
What you'll see in your Tesla
- Power reduced
- Exiting and re-entering vehicle may restore operation
What triggers it
Abnormal condition detected within drive unit subsystem. Look at limpReason in alert for exact trigger.
When it clears
Reason for trigger is not present and drive cycle is executed
Potential impact
Drive system performance severely reduced (torque/power limited)
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.