EPASTS_a028_smuhNonInitDataCorruption

This alert is reported by the SMUHandler_TC3X (SMUH) component when SMU Core Alive test data integrity check fails (comparison with the inverted value).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the SMUHandler_TC3X (SMUH) component when SMU Core Alive test data integrity check fails (comparison with the inverted value).

Cause

EPAS uC peripheral (SMU) alive test failure (data corruption, inverted value comparison) at startup.

Clear condition

Perform EPAS Software update.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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