UI family
UI_a190_TunerMIA
Not Available
What does the UI_a190_TunerMIA alert mean?
The radio tuner appears to be MIA to the MCU and cannot issue commands.
What you'll see in your Tesla
- Not Available
What triggers it
The radio tuner has been unreachable via TCP from the MCU for a period of time.
When it clears
Once the tuner is connected and powered it should be reachable and the MIA will clear.
Potential impact
The tuner may be completely unreachable to the MCU, preventing any usage of the radio source.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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.