FC family
FC_a279_GB_evseOverCurrent
Unable to DC Fast Charge
What does the FC_a279_GB_evseOverCurrent alert mean?
The vehicle is unable to GB (China) DC fast charge (FC) because the FC electric control unit (ECU) detects an overcurrent event from the electric vehicle supply equipment (EVSE).
What you'll see in your Tesla
- Unable to DC Fast Charge
- Contact charging station operator
What triggers it
The reported current from the EVSE exceeds the alert threshold.
When it clears
The reported current from the EVSE is within the expected range.
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.