FC_a257 — GB bms Mia
Full alert identifier: FC_a257_GB_bmsMia
Message shown in the car
Charging adapter fault Unplug and retry
Alert description
The vehicle is unable to begin GB (China) DC fast charging because the fast charge (FC) electronic control unit (ECU) detects that the battery management system (BMS) is unavailable (MIA).
Potential impact
DC fast charging is unavailable.
Set condition
The FC ECU does not receive the expected CAN messages from the BMS within a certain time frame.
Clear condition
The FC ECU receives the expected controller area network (CAN) messages from the BMS.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of FC_a257.