FC_a273 — GB neg To Pos Delta Lo
Full alert identifier: FC_a273_GB_negToPosDeltaLo
Message shown in the car
Charging adapter temperature high Maximum charge rate reduced
Alert description
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.
Potential impact
Maximum DC charging rate is reduced.
Set condition
The FC ECU detects that the temperature delta between the positive and negative pins is below the lower bound.
Clear condition
The fast charge (FC) electronic control unit (ECU) detects that the temperature delta between the positive and negative pins is within expected bounds.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of FC_a273.