FC_a150_CA_vehToEvseDeltaHi
Charging adapter fault
What does the FC_a150_CA_vehToEvseDeltaHi alert mean?
The vehicle is unable to begin CHAdeMO DC fast charging because the temperature difference (delta) between the vehicle charge port and the electric vehicle supply equipment (EVSE) is lower than expected.
What you'll see in your Tesla
- Charging adapter fault
- Unplug and retry
What triggers it
The FC detects that the temperature delta between the vehicle and the EVSE is higher than the alert threshold.
When it clears
The temperature delta between the vehicle and the EVSE is within expected bounds, or the charge cable is disconnected.
Potential impact
DC fast charging is unavailable.
Affected models
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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.