UI family
UI_a094_ModemPowerOnFailure
Not Available
What does the UI_a094_ModemPowerOnFailure alert mean?
Modem failing to power ON
What you'll see in your Tesla
- Not Available
What triggers it
Successive modem power ON failures
When it clears
Modem power ON successful
Potential impact
Loss of cellular connectivity
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
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.