EPASTS_a120_mcusscFlashEccLatentErr

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the flashed SW is incorrect or flash memory failure.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

Description

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the flashed SW is incorrect or flash memory failure.

Cause

EPAS has detected flashed SW data integrity failure (ECC) but the number of faults didn't reached the tolerated limits.

Clear condition

Perform EPAS Software update.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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