Model Y

EPASTS_a051 — Erm Message Err

Full alert identifier: EPASTS_a051_ermMessageErr

Alert description

This alert is reported when there is a SW systematic failure, faulty error reporting in one of the components (report and error with not supported errorId)

Potential impact

EPAS full loss of assist.

Set condition

EPAS application component ErrorReactionManager detected invalid error message (wrong errorId or messageKind).

Clear condition

Perform EPAS ECU power cycle.

Signals to check

These diagnostic fields are associated with EPASTS_a051. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Debug Info `EPASTS_a051_debugInfo`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a051.

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_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_a211 — Frm Internal Err EPASTS_a211_frmInternalErr This alert is reported by the FrictionManager_R12 (FRM) component if there is a problem with one of the necessary inputs of the friction manager
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