UI family
UI_a159_AudioHeartbeatFailure
Not Available
What does the UI_a159_AudioHeartbeatFailure alert mean?
The audio system is unreachable from the UI and is not responding to heartbeat requests.
What you'll see in your Tesla
- Not Available
What triggers it
The audio system has become unavailable for heartbeat requests from the UI.
When it clears
The audio system is available and responding to heartbeat requests again.
Potential impact
The audio system will not respond to commands and audio will be impacted.
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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