FC family
FC_a283_GB_posTempHiFoldBk
Charging adapter temperature high
What does the FC_a283_GB_posTempHiFoldBk alert mean?
The maximum GB (China) DC fast charge (FC) rate is reduced because the FC electronic control unit (ECU) detects that the adapter positive pin temperature is higher than the expected value.
What you'll see in your Tesla
- Charging adapter temperature high
- Maximum charge rate reduced
What triggers it
The FC ECU detects that the positive pin temperature is above the alert threshold.
When it clears
The FC ECU detects that the positive pin temperature is within expected bounds.
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+
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.