FC_w274_GB_negToPcbDeltaHi
Charging adapter temperature high
What does the FC_w274_GB_negToPcbDeltaHi alert mean?
The vehicle is unable to begin GB (China) DC fast charging because the temperature difference (delta) between the negative pin and the GB printed circuit board assembly (PCBA) is higher than expected.
What you'll see in your Tesla
- Charging adapter temperature high
- Maximum charge rate reduced
What triggers it
The FC ECU detects that the temperature delta between the negative pin and the GB PCBA exceeds the upper bound.
When it clears
The fast charge (FC) electronic control unit (ECU) detects that the temperature delta between the negative pin and the GB PCBA is within expected bounds.
Potential impact
Maximum DC charging rate is reduced.
Affected models
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