This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. GDU internal rail overvoltage check. The GDU contains a set of internal voltage rails and their voltage monitors. The GDU reacts, software just logs it.
<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. GDU internal rail overvoltage check. The GDU contains a set of internal voltage rails and their voltage monitors. The GDU reacts, software just logs it.
EPAS ECU GDU device monitor detected failure (internal voltage voltages).
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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