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EPASTP_a009 — Mcussc Lbist Permanent Fail

Full alert identifier: EPASTP_a009_mcusscLbistPermanentFail

Alert description

This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU failure. Logic built-in self-test failed.

Potential impact

EPAS full loss of assist.

Set condition

EPAS Microcontroller built-in self tests (BIST) that the SW runs after reset failed for 3 consecutive times.

Clear condition

Perform EPAS ECU power cycle.

Signals to check

These diagnostic fields are associated with EPASTP_a009. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a009_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a009.

Browse all EPASTP alert codes