EPASTS_a062_amPhaseBridgeCheck

This alert is reported by the ActuatorManager_R12 (AM) component when PWM pattern check failed, probably bridge FET or GDU failure.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the ActuatorManager_R12 (AM) component when PWM pattern check failed, probably bridge FET or GDU failure.

Cause

EPAS ECU actuator monitor detected failure (PWM phases).

Clear condition

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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