FC family
FC_a183_CA_evseBatIncompat
Unable to DC Fast Charge
What does the FC_a183_CA_evseBatIncompat alert mean?
The vehicle is unable to CHAdeMO DC fast charge because the electric vehicle supply equipment (EVSE) is not compatible.
What you'll see in your Tesla
- Unable to DC Fast Charge
- Contact charging station operator
What triggers it
The FC ECU detects that the EVSE is not compatible with the HV battery.
When it clears
The fast charge (FC) electronic control unit (ECU) detects that the EVSE is compatible with the high voltage (HV) battery, or that the charge cable was disconnected.
Potential impact
DC fast charging is unavailable.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.