UI family
UI_a191_TunerUpdateFailed
Not Available
What does the UI_a191_TunerUpdateFailed alert mean?
Tuner has failed to perform an OTA Update of the latest radio tuner firmware.
What you'll see in your Tesla
- Not Available
What triggers it
The radio tuner set a status flag indicating a firmware OTA update of the tuner has failed early.
When it clears
Once the vehicle has reset or a successful firmware OTA is performed will clear the alert.
Potential impact
The radio tuner may be unable to update to the latest firmware provided.
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.