FC family
FC_a284_GB_pcbTempHiFoldBk
Charging adapter temperature high
What does the FC_a284_GB_pcbTempHiFoldBk alert mean?
The Fast Charge (FC) Electronic Control Unit (ECU) has detected the temperature at the GuoBiao (GB) adapter Printed Circuit Board (PCB) has exceeded 74deg centigrade, limiting the charge rate.
What you'll see in your Tesla
- Charging adapter temperature high
- Maximum charge rate reduced
What triggers it
FC ECU has detected the GB adapter PCB temperature is higher than 74deg centigrade.
When it clears
GB adapter PCB temperature drops below 74deg centigrade.
Potential impact
Charging rate is limited.
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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