FC family
FC_a286_GB_evseConnUnlocked
Maximum DC Fast Charge rate reduced
What does the FC_a286_GB_evseConnUnlocked alert mean?
The maximum GB (China) DC fast charge (FC) rate is reduced because the FC electronic control unit (ECU) detects that the electric vehicle supply equipment (EVSE) connector latch state is unlocked.
What you'll see in your Tesla
- Maximum DC Fast Charge rate reduced
- Adjust handle latch or contact station operator
What triggers it
The EVSE reports unlocked state when it is expected to be locked.
When it clears
The EVSE reports locked state, or the charge cable is disconnected.
Potential impact
Maximum DC charging rate is reduced.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.