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EPASTS_a017 — Stmd Stm Plausibility Check Err

Full alert identifier: EPASTS_a017_stmdStmPlausibilityCheckErr

Alert description

This alert is reported by the STMDriver_TC3x (STMD) component when the System timer (STM) plausibility check fails due to an intolerable time difference between the DMA and STM timestamps.

Potential impact

EPAS full loss of assist.

Set condition

EPAS microcontroller detected out of sync timers (system timer vs DMA) at startup.

Clear condition

Perform EPAS ECU power cycle.

Signals to check

These diagnostic fields are associated with EPASTS_a017. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a017_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a017.

EPASTS_a050 — Erl Err EPASTS_a050_erlErr This alert is reported by the ErrorLogger (ERL) component when the internal general error logging buffer overflowed.
EPASTS_a098 — Inv Err EPASTS_a098_invErr This alert is reported by the InverterDiagnostics_R12 (INV) component if the reconstructed Alpha or Beta vectors are different from the actual Alpha or Beta vectors. This diagnostic compares the input and output of the inverter component.…
EPASTS_a011 — Mcussc Monbist Err EPASTS_a011_mcusscMonbistErr This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Secondary Monitor and Standby SMU Built in Self Test failed).
EPASTS_a023 — Btarc Corruption Check EPASTS_a023_btarcCorruptionCheck This alert is reported by the BlackoutTimeAndResetCounter_R12 (BTARC) component when fast restart data has been corrupted.
EPASTS_a025 — Btarc Corruption Check EPASTS_a025_btarcCorruptionCheck This alert is reported by the BlackoutTimeAndResetCounter_R12 (BTARC) component when CRC check failed for its non-initialized.

Browse all EPASTS alert codes