Skip to content
Model Y

EPASTP_a104 — Exha Bus Mpu Exception

Full alert identifier: EPASTP_a104_exhaBusMpuException

Alert description

This alert is reported by the ExceptionHandler_TC3x (EXHA) component when there is a bus level MPU violation

Potential impact

EPAS reset

Set condition

EPAS application component ExceptionHandler detected exception (bus level MPU violation).

Clear condition

Perform EPAS Software update. Replace HW if the alert persists.

Signals to check

These diagnostic fields are associated with EPASTP_a104. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a104_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a104.

Browse all EPASTP alert codes