CP family
CP_a052_chademoNotSupported
Unable to charge
What does the CP_a052_chademoNotSupported alert mean?
Vehicle is connected to an offboard CHAdeMO charging station, or CHAdeMO Electric Vehicle Supply Equipment (EVSE), that is not supported.
What you'll see in your Tesla
- Unable to charge
- CHAdeMO charging stations not supported
What triggers it
The CP detects a connection to unsupported CHAdeMO EVSE.
When it clears
The charge port (CP) detects the charge handle has been unplugged
Potential impact
Charging will not start
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.