Model Y

EPASTS_a118 — Mcussc Flash Cs Error Err

Full alert identifier: EPASTS_a118_mcusscFlashCsErrorErr

Alert 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.

Potential impact

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

Set condition

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

Clear condition

Perform EPAS Software update.

Signals to check

These diagnostic fields are associated with EPASTS_a118. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a118_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a118.

EPASTS_a120 — Mcussc Flash Ecc Latent Err EPASTS_a120_mcusscFlashEccLatentErr This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the flashed SW is incorrect or flash memory failure.
EPASTS_a119 — Mcussc Flash Ecc Critical Err EPASTS_a119_mcusscFlashEccCriticalErr This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the flashed SW is incorrect or flash memory failure.
EPASTS_a130 — Mrcc Config Cs Error Err EPASTS_a130_mrccConfigCsErrorErr This alert is reported when there is a CRC failure in the periodic register CRC checking. MCU internal error OR SW systematic failure
EPASTS_a015 — Mcussc Cs Error Check Fail EPASTS_a015_mcusscCsErrorCheckFail This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when CRC check failed, consistency of non-inited memory sections did not keep during the restart.
EPASTS_a116 — Mrcc Startup Reg Cs Error Static Err EPASTS_a116_mrccStartupRegCsErrorStaticErr This alert is reported when the Start-up register check failed: MCU internal error OR SW systematic failure

Browse all EPASTS alert codes