EPASTP family
EPASTP_a051_ermMessageErr
Not Available
What does the EPASTP_a051_ermMessageErr alert mean?
This alert is reported when there is a SW systematic failure, faulty error reporting in one of the components (report and error with not supported errorId)
What you'll see in your Tesla
- Not Available
What triggers it
EPAS application component ErrorReactionManager detected invalid error message (wrong errorId or messageKind).
When it clears
Perform EPAS ECU power cycle.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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