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EPASTP_a012 — Mcussc Mbist Ecc Err

Full alert identifier: EPASTP_a012_mcusscMbistEccErr

Alert description

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

Potential impact

EPAS full loss of assist.

Set condition

EPAS microcontroller memory (M)BIST failed at startup.

Clear condition

Perform EPAS ECU power cycle.

Signals to check

These diagnostic fields are associated with EPASTP_a012. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a012_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a012.

Browse all EPASTP alert codes