This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU or GDU-MCU connection problem. This diagnostic checks if the microcontroller is able to switch off the GDU.
<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 or GDU-MCU connection problem. This diagnostic checks if the microcontroller is able to switch off the GDU.
EPAS Gate Driver switch-off test by MCU fails. GDU is unable to switch off the GDU.
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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