EPASTP family
EPASTP_a250_uiTuneReqCsError
Not Available
What does the EPASTP_a250_uiTuneReqCsError alert mean?
Invalid UI_chassisControlChecksum value received
What you'll see in your Tesla
- Not Available
What triggers it
Unexpected UI_chassisControlChecksum value received
When it clears
Electronic Power Assist Steering (EPAS) recevies expected UI_chassisControlChecksum value
Potential impact
Reduced steering assist
Affected models
Model Y
Model Y 2025+
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