APS family
APS_w252_ethSwitchPortLinkDown
Not Available
What does the APS_w252_ethSwitchPortLinkDown alert mean?
The Autopilot electronic control unit (ECU) detects that the Media Control Unit (MCU) port connected to the ethernet switch has a link down, indicating a condition affecting the cabling or the ECU connected to that port.
What you'll see in your Tesla
- Not Available
What triggers it
The alert is set if link goes down.
When it clears
The alert clears when the link is up.
Potential impact
Communication between the autopilot ECU and MCU will be disrupted.
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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