EPASTP_a118_mcusscFlashCsErrorErr

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the flashed SW is incorrect or flash memory failure. Calculated CRC not matching stored CRC.

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. Calculated CRC not matching stored CRC.

Cause

EPAS has detected flashed SW data integrity failure (CRC).

Clear condition

Perform EPAS Software update.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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