UI family
UI_a102_A2bDiscoveryFailed
Not Available
What does the UI_a102_A2bDiscoveryFailed alert mean?
The A2B primary node (in the car computer) was unable to discover any other nodes on the A2B bus, which may lead to a complete loss of audio.
What you'll see in your Tesla
- Not Available
What triggers it
The A2B primary node was unable to discover other nodes.
When it clears
The A2B primary node is able to discover other nodes.
Potential impact
There may be a complete loss of audio.
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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