EPASTS_a009 — Mcussc Lbist Permanent Fail
Full alert identifier: EPASTS_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 EPASTS_a009. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Debug Info
EPASTS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a009.