Model Y

EPASTS_a031 — Pms Production Mode Failed

Full alert identifier: EPASTS_a031_pmsProductionModeFailed

Alert description

This alert is reported by the ProductionModeSupervisor_R12 (PMS) component when production mode was requested by either the EOL__PLATFORM__PRODUCTION_MODE parameter or not-initialized RAM and the handshake with Core1 was unsuccessful.

Potential impact

EPAS full loss of assist.

Set condition

EPAS production mode requested and the handshake mechanism with Core1 failed.

Clear condition

Handshake mechanism is performed successfully or EPAS power cycle.

Signals to check

These diagnostic fields are associated with EPASTS_a031. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a031_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a031.

EPASTS_a059 — Am Startup Test Failed EPASTS_a059_amStartupTestFailed This alert is reported by the ActuatorManager_R12 (AM) component when the start up tests in ActuatorTest fails
EPASTS_a032 — Eolp Eol Check Failed EPASTS_a032_eolpEolCheckFailed This alert is reported by the EOL_Provider_R12 (EOLP) component if any of the EOL inverse pair check fail or if the EOL layout version is below the supported version.
EPASTS_a036 — Sbcm Sbc Bist Failed EPASTS_a036_sbcmSbcBistFailed This alert is reported by the SystemBasisChipManager_A8140x (SBCM) component when Built-In-Selftest is failed.
EPASTS_a144 — Mri Core Raminit Failed EPASTS_a144_mriCoreRaminitFailed This alert is reported by the MCURamInit_TC3x (MRI) component when the memory initialization is failed when initializing the core RAM instances.
EPASTS_a013 — Mcussc Sff Monitoring Failed EPASTS_a013_mcusscSffMonitoringFailed This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Safety FlipFlop Monitoring tests failed for at least one of the MTU or SMU instances).

Browse all EPASTS alert codes