EPASTS family
EPASTS_a133_mcusscLbistEcuIdIsNotSupported
Not Available
What does the EPASTS_a133_mcusscLbistEcuIdIsNotSupported alert mean?
This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when wrong ECU_ID in FLASH
What you'll see in your Tesla
- Not Available
What triggers it
EPAS End Of Line ECU ID is incorrect.
When it clears
Perform EPAS Software update.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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