EPAS3P family
EPAS3P_a049_piCtrlError
Not Available
What does the EPAS3P_a049_piCtrlError alert mean?
Proportional-integrator motor control error
What you'll see in your Tesla
- Not Available
What triggers it
(Vq intgl square + Vd intgl squre) > 20 or (Phase A < 0.25 A or Phase B < 0.25 A) and (Vq prop square + Vd prop square) > 160)
When it clears
(Vq intgl square + Vd intgl square) < 20
Potential impact
Reduced assist and EAC inhibited
Affected models
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.