Model Y

EPASTS_a218 — Aad Application State Err

Full alert identifier: EPASTS_a218_aadApplicationStateErr

Alert description

This alert is reported when the current ECU side is not capable of assist torque calculation

Potential impact

Current EPAS ECU side is not capable of calculate the assist torque.

Set condition

EPAS ECU side loses assist calculation capability (the operation mode on the current ECU side is 'EPAS' and the current ECU side is not capable of assist torque calculation).

Clear condition

The operation mode on the current ECU side is not 'EPAS' or the current ECU side is capable of assist torque calculation.

Signals to check

These diagnostic fields are associated with EPASTS_a218. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a218_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a218.

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_a050 — Erl Err EPASTS_a050_erlErr This alert is reported by the ErrorLogger (ERL) component when the internal general error logging buffer overflowed.
EPASTS_a214 — Vel Interface Err EPASTS_a214_velInterfaceErr This alert is reported by the VirtualEndLock_R12 (VEL) component if there is a problem with one of the necessary inputs of the virtual end-lock.
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_a203 — Ctc Interface Err EPASTS_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.

Browse all EPASTS alert codes