EPAS3S family
EPAS3S_a083_crcMismatch
Not Available
What does the EPAS3S_a083_crcMismatch alert mean?
Mismatch between primary and secondary ECU application cyclic redundancy check
What you'll see in your Tesla
- Not Available
What triggers it
Primary and Secondary ECU are running different versions
When it clears
Flash primary and secondary ECU with same version
Potential impact
Reduced steering assist
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.