UI family
UI_a103_UsbHubNotEnumerating
Not Available
What does the UI_a103_UsbHubNotEnumerating alert mean?
The USB hub is not enumerating
What you'll see in your Tesla
- Not Available
What triggers it
The USB hub is not enumerating, it may be broken or disconnected.
When it clears
The USB hub is enumerating
Potential impact
USB hub may be broken or disconnected
Affected models
Cybertruck
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.