CP family
CP_w138_swcanCommsAcEvseFaulted
Not Available
What does the CP_w138_swcanCommsAcEvseFaulted alert mean?
AC electric vehicle supply equipment (EVSE) communicating over single wire controller area network (SWCAN) reports that it has encountered an issue.
What you'll see in your Tesla
- Not Available
What triggers it
The EVSE reports via SWCAN that it has entered the faulted state.
When it clears
The EVSE 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
Model S 2012-2020
Model X 2015-2020
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.