EPASTP_a174_pmpPhasecurrentAge

This alert is reported by the PlatformModeProvider_R12 (PMP) component if phase current QualityofService is CS_ERROR and tolerance timeout has elapsed or the PhaseCurrents have latent failure and MotorController is not operating.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the PlatformModeProvider_R12 (PMP) component if phase current QualityofService is CS_ERROR and tolerance timeout has elapsed or the PhaseCurrents have latent failure and MotorController is not operating.

Cause

EPAS detected current measurement failures causing offset or saturation in measured bus current (Phase current faulty QoS).

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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