UI family
UI_a140_NeverSleepActive
Not Available
What does the UI_a140_NeverSleepActive alert mean?
A data value in the UI prevents the vehicle from going to sleep and may lead to an increased rate of battery drain.
What you'll see in your Tesla
- Not Available
What triggers it
The GUI_neverSleep data value is set to True.
When it clears
The GUI_neverSleep data value is set to False.
Potential impact
Increased battery drain due to vehicle not sleeping.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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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.