Skip to content
Model Y

EPASTP_a259 — Sco Can Bus Off

Full alert identifier: EPASTP_a259_scoCanBusOff

Alert description

This alert is reported by the SystemConditionObserver_T222 (SCO) component when the a bus-off state is detected

Potential impact

EPAS does not receive/transmit CAN messages.

Set condition

EPAS has detected bus failure (Bus-off).

Clear condition

EPAS recover from bus-off 100ms after the bus-off state and try again for Rx/Tx.

Signals to check

These diagnostic fields are associated with EPASTP_a259. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a259_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a259.

Browse all EPASTP alert codes