SEPSM_a275 — ECU Mia On Internal Bus

Full alert identifier: SEPSM_a275_ECUMiaOnInternalBus

Alert description

The local Electronic Control Unit (ECU) has not received one or more expected Controller Area Network (CAN) messages from the internal steering bus.

Potential impact

Power Steering functionality may be degraded.

Set condition

The local Electronic Control Unit (ECU) did not receive a message it was expecting from the ECUs on the specified internal steering bus within the expected timeout.

Clear condition

The local ECU begins receiving all expected messages from the specified internal steering bus.

Signals to check

These diagnostic fields are associated with SEPSM_a275. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Bus Name `SEPSM_a275_busName` 0 SHAFTP 1 RACK 2 SHAFTS 3 HANDWHEEL	—
Controller MIA On Bus `SEPSM_a275_controllerMIAOnBus`	—
Ecu Name `SEPSM_a275_ecuName` 0 PEPS 1 SEPS 2 PSFA 3 SSFA	—
Monitor MIA On Bus `SEPSM_a275_monitorMIAOnBus`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SEPSM_a275.