CP family
CP_a101_wcFoldbackActive
Charge rate reduced - Wall connection hot
What does the CP_a101_wcFoldbackActive alert mean?
The Gen 2 Wall Connector reports a temperature high enough that AC charging should begin to fold back.
What you'll see in your Tesla
- Charge rate reduced - Wall connection hot
- Outlet or Wall Connector wiring must be checked
What triggers it
The Gen 2 Wall Connector reports a temperature greater than 80 degrees C.
When it clears
The CP ECU detects that the charge cable was unplugged.
Potential impact
AC charging speed is reduced.
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.