EPASTP family
EPASTP_a116_mrccStartupRegCsErrorStaticErr
Not Available
What does the EPASTP_a116_mrccStartupRegCsErrorStaticErr alert mean?
This alert is reported when the Start-up register check failed: MCU internal error OR SW systematic failure
What you'll see in your Tesla
- Not Available
What triggers it
EPAS microcontroller's different registers does not contain the right values before starting the safety functions (CRC doesn't match for the second test fail).
When it clears
Perform EPAS Software update. Replace HW if the alert persists.
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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