FC_w272_GB_negToPosDeltaHi
Charging adapter temperature high
What does the FC_w272_GB_negToPosDeltaHi 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 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 positive and negative pins exceeds the upper 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
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.