EPASTS family
EPASTS_a249_uiTuneReqCntError
Not Available
What does the EPASTS_a249_uiTuneReqCntError alert mean?
Invalid UI_chassisControlCounter value received
What you'll see in your Tesla
- Not Available
What triggers it
UI_chassisControlCounter is not incrementing correctly
When it clears
Electronic Power Assist Steering (EPAS) observes UI_chassisControlCounter incrementing correctly
Potential impact
Reduced steering assist
Affected models
Model Y
Model Y 2025+
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