Model Y

EPASTP_a167 — Iccd1 Err Queue Overflow

Full alert identifier: EPASTP_a167_iccd1ErrQueueOverflow

Alert description

This alert is reported by the InterCoreCommunicationDriver_C1_R12 (ICCD1) component when the ErrorMessages that are transfered between the MCU Cores are overflowed -> Communication between the Cores is not working correctly. (Core1 SW probably is not working).

Potential impact

EPAS full loss of assist.

Set condition

EPAS MCU inter-core communication detected loss of Error Messages due to overflow.

Clear condition

Perform EPAS Software update.

Signals to check

These diagnostic fields are associated with EPASTP_a167. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTP_a167_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a167.

EPASTP_a135 — Tmpsfetj Calculation Overflow Err EPASTP_a135_tmpsfetjCalculationOverflowErr This alert is reported by the TemperatureModelPSFETJunction (TMPSFETJ) components when checking overflow of possible values of estimated temperatures. Possible values are calculated according to defined data constraints.
EPASTP_a050 — Erl Err EPASTP_a050_erlErr This alert is reported by the ErrorLogger (ERL) component when the internal general error logging buffer overflowed.
EPASTP_a098 — Inv Err EPASTP_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.…
EPASTP_a079 — Gduh Com Err EPASTP_a079_gduhComErr This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.
EPASTP_a203 — Ctc Interface Err EPASTP_a203_ctcInterfaceErr This alert is reported by the ColumnTorqueController_R12 (CTC) component when there is a problem with one of the necessary inputs of the column torque controller. Column Torque Controller is not able to calculate assist torque.

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