This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. Bootstrap capacitor short detection or GDU internal rail undervoltage check.
<0.01% (Extremely rare)
None displayed
EPAS full loss of assist.
This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. Bootstrap capacitor short detection or GDU internal rail undervoltage check.
EPAS ECU GDU device monitor detected failure (capacitor short detection or internal rail undervoltage).
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Model Y, Model Y 2025+
service-fix
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