CP family
CP_a141_chademoAdapterFault
Charging equipment reports error
What does the CP_a141_chademoAdapterFault alert mean?
A CHAdeMO adapter communicating over single wire controller area network (SWCAN) reports that it has encountered an issue.
What you'll see in your Tesla
- Charging equipment reports error
- Check equipment for error code or message
What triggers it
The CHAdeMO adapter reports via SWCAN that it has entered the faulted state.
When it clears
The CHAdeMO adapter reports via SWCAN that it is no longer in the faulted state, or the adapter is unplugged.
Potential impact
Charging does not start or is interrupted.
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.