EPASTP family
EPASTP_a104_exhaBusMpuException
Not Available
What does the EPASTP_a104_exhaBusMpuException alert mean?
This alert is reported by the ExceptionHandler_TC3x (EXHA) component when there is a bus level MPU violation
What you'll see in your Tesla
- Not Available
What triggers it
EPAS application component ExceptionHandler detected exception (bus level MPU violation).
When it clears
Perform EPAS Software update. Replace HW if the alert persists.
Potential impact
EPAS reset
Affected models
Model Y
Model Y 2025+
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.