EPASTS family
EPASTS_a029_smuhSmuCoreCntErrorTestFail
Not Available
What does the EPASTS_a029_smuhSmuCoreCntErrorTestFail alert mean?
This alert is reported by SMUHandler_TC3X (SMUH) component when SMU Core alive test is failed.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS uC peripheral (SMU core) alive test failure at startup, before start of OS.
When it clears
Perform EPAS Software update at first, replace HW if the alert appears again.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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