EPASTS_a168_c1csInvalidC1App

This alert is reported by the Core1CheckerAndStarter_TC3x (C1CS) component when the validation of Core 1 application is failed (CRC check, HSM validation, Entity address check or the Core 1 application was not found).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the Core1CheckerAndStarter_TC3x (C1CS) component when the validation of Core 1 application is failed (CRC check, HSM validation, Entity address check or the Core 1 application was not found).

Cause

EPAS MCU Core1 application validation failed (CRC check, HSM validation, Entity address check or the Core 1 application was not found) at startUp.

Clear condition

Perform EPAS Software update.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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