Model Y

EPASTS_a201 — Amm Output Buffer Overflow

Full alert identifier: EPASTS_a201_ammOutputBufferOverflow

Alert description

This alert is reported by the ApplicationManagerProxy_Generic (AMM) component if it receives too many application management messages at port LocalManagementMessages for the remote MCU in a short time

Potential impact

EPAS can not perform shutdown. EPAS full loss of assist.

Set condition

EPAS application manager component receives too many application management messages for the remote MCU in a short time leading to a buffer overflow.

Clear condition

EPAS power cycle.

Signals to check

These diagnostic fields are associated with EPASTS_a201. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a201_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a201.

EPASTS_a200 — Amm Input Buffer Overflow EPASTS_a200_ammInputBufferOverflow This alert is reported by the ApplicationManagerProxy_Generic (AMM) component if between two executions the applications send more than 10 application management messages to port LocalManagementMessages. The alert will not be cleared.
EPASTS_a188 — Epm Comm Buffer Overflow EPASTS_a188_epmCommBufferOverflow This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case SBC Communication buffer overflow checker. Against systematic SW failures on ExternalPowerManager component.
EPASTS_a184 — Sbcm Comm Buffer Overflow EPASTS_a184_sbcmCommBufferOverflow This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipManager component.
EPASTS_a186 — Wdh Comm Buffer Overflow EPASTS_a186_wdhCommBufferOverflow This alert is reported by the WatchdogHandler_A8140x (WDH) component in case SBC Communication buffer overflow checker. Against systematic SW failures on WatchdogHandler component.
EPASTS_a190 — Sbch Comm Buffer Overflow EPASTS_a190_sbchCommBufferOverflow This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipHAL component.

Browse all EPASTS alert codes