EPASTS family
EPASTS_a043_sbcmWdStateDisabled
Not Available
What does the EPASTS_a043_sbcmWdStateDisabled alert mean?
This alert is reported by the SystemBasisChipManager_A8140x (SBCM) component in case the watchdog is in DISABLED state which is not allowed at all.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS ECU SBC device watchdog is in disabled state at runtime.
When it clears
Perform EPAS Software update. Replace HW if the alert persists.
Potential impact
EPAS full loss of assist.
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.