EPASTP family
EPASTP_a124_mcusscMbistEccTransientErr
Not Available
What does the EPASTP_a124_mcusscMbistEccTransientErr alert mean?
This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, MCU failure.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS memory BIST transient error detected.
When it clears
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Potential impact
EPAS reset. If reset more than 6 then EPAS fallback to bootloader.
Affected models
Model Y
Model Y 2025+
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