CP family
CP_a140_superchargerFaulted
Unable to charge - Supercharger reports an error
What does the CP_a140_superchargerFaulted alert mean?
A Supercharger post communicating over single wire controller area network (SWCAN) reports that it has encountered an issue.
What you'll see in your Tesla
- Unable to charge - Supercharger reports an error
- Unplug and retry / Try a different charging stall
What triggers it
The Supercharger reports via SWCAN that it has entered the faulted state.
When it clears
The Supercharger post reports via SWCAN that it is no longer in the faulted state, or the cable is disconnected.
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.