FC_a274 — GB neg To Pcb Delta Hi
Full alert identifier: FC_a274_GB_negToPcbDeltaHi
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 negative pin and the GB printed circuit board assembly (PCBA) is higher than expected.
Potential impact
Maximum DC charging rate is reduced.
Set condition
The FC ECU detects that the temperature delta between the negative pin and the GB PCBA exceeds the upper bound.
Clear condition
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.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of FC_a274.