Alert Details

EPASTS_a012_mcusscMbistEccErr

Description

This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure. (Memory Built-In-SelfTest failed).

Condition

EPAS microcontroller memory (M)BIST failed at startup.

Clear Condition

Perform EPAS ECU power cycle.

Potential Impact

EPAS full loss of assist.

Customer Facing Message 1

Not Available

Customer Facing Message 2

Not Available

Audiences

service-fix

Models

Model Y;Model Y 2025+