FC_w273_GB_negToPosDeltaLo
Charging adapter temperature high
What does the FC_w273_GB_negToPosDeltaLo alert mean?
The vehicle is unable to begin GB (China) DC fast charging because the temperature difference (delta) between the positive pin and the negative pin is lower 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 positive and negative pins is below the lower bound.
When it clears
The fast charge (FC) electronic control unit (ECU) detects that the temperature delta between the positive and negative pins is within expected bounds.
Potential impact
Maximum DC charging rate is reduced.
Affected models
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