EPASTP family
EPASTP_a057_amGduVds
Not Available
What does the EPASTP_a057_amGduVds alert mean?
This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. This diagnostic checks the voltage level between the drain/source of each MOSFET in the primary actuator path and reacts if the voltage level is higher than specified.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS ECU actuator driver hardware (MOSFETs) voltages exceed tolerated difference.
When it clears
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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