APS family
APS_w248_ethloopSwitchPoorSqi
Not Available
What does the APS_w248_ethloopSwitchPoorSqi alert mean?
The Autopilot Secondary (APS) detects poor signal quality on one or more ports of the etherloop switch.
What you'll see in your Tesla
- Not Available
What triggers it
A poor signal quality on any etherloop switch port sets the alert.
When it clears
A good signal quality on all the etherloop switch ports clears the alert
Potential impact
Communication between the various electronic control units (ECUs) may fail.
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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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.