EPASTP family
EPASTP_a159_exchFlashWordlineTransientErr
Not Available
What does the EPASTP_a159_exchFlashWordlineTransientErr alert mean?
This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a double bit ECC error in the active pflash and additional ECC errors were found in the same wordline
What you'll see in your Tesla
- Not Available
What triggers it
EPAS application component ExceptionHandler detected unrecoverable memory failure (other page PFlash ECC fault).
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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