Model Y

EPASTS_a090 — Etsm Warning

Full alert identifier: EPASTS_a090_etsmWarning

Alert description

This alert is reported by the ETsRMonitor_R12 (ETSM) component when the ETsR (Elapsed time since reset) reaches its first limit (0xCDFE6000), reset requested but will be performed only at the moment when MCU doesn't providing assist.

Potential impact

EPAS reset

Set condition

EPAS elapsed time since reset reaches near to its overflow value.

Clear condition

EPAS will perform a power cycle.

Signals to check

These diagnostic fields are associated with EPASTS_a090. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a090_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a090.

EPASTS_a238 — Esp Wr Mia EPASTS_a238_espWrMia The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.
EPASTS_a241 — Esp Ws Mia EPASTS_a241_espWsMia The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel speeds message, resulting in a reduced amount of steering assist to preserve vehicle stability.
EPASTS_a207 — Fdr Ocl Freezing EPASTS_a207_fdrOclFreezing This alert is reported by the Output Control Logic (OCL) of the FdrDetectionManager_R12 (FDR) when freezing is detected.
EPASTS_a155 — Sdsm Data Invalid All EPASTS_a155_sdsmDataInvalidAll This alert is reported by the StreamingDataStorageManager_R12 (SDSM) component when the CRC is not equal to saved CRC value in all memory blocks.
EPASTS_a049 — Epm Lg Fail EPASTS_a049_epmLgFail This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case indicates if the Boost drive

Browse all EPASTS alert codes