Model Y

EPASTS_a086 — Rsth Ram Uncorr Ecc

Full alert identifier: EPASTS_a086_rsthRamUncorrEcc

Alert description

This alert is reported by the HwResetHandler_TC3x (RSTH) component when the RAM ECC check failed. This diagnostic is the handling of the exception thrown by the RAM ECC modules, when it encountered a multibit RAM fault.

Potential impact

EPAS reset

Set condition

EPAS RAM ECC module detected multibit RAM fault.

Clear condition

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

Signals to check

These diagnostic fields are associated with EPASTS_a086. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a086_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a086.

EPASTS_a072 — Rsth Flash Uncorr Ecc Or Ovfl EPASTS_a072_rsthFlashUncorrEccOrOvfl This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is a flash memory read failure.
EPASTS_a073 — Rsth Other Edc Ecc EPASTS_a073_rsthOtherEdcEcc This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is various data integrity (ECC) alarms. The MCU has a number of reset sources. This diagnostic symbolizes those of them. Some are not required as diagnostic by…
EPASTS_a030 — Rsth Clock Reset EPASTS_a030_rsthClockReset This alert is reported by the HwResetHandler_TC3x (RSTH) component when the clock frequency is out of range or clock system failure.
EPASTS_a074 — Rsth Unexpected Alarm EPASTS_a074_rsthUnexpectedAlarm This alert is reported by the HwResetHandler_TC3x (RSTH) component if various misc error detection alarms.
EPASTS_a087 — Rsth Flash Config Err EPASTS_a087_rsthFlashConfigErr This alert is reported by the HwResetHandler_TC3x (RSTH) component if the flash memory configuration register error.

Browse all EPASTS alert codes