BMS_a128 — SW shunt MIA
Full alert identifier: BMS_a128_SW_shunt_MIA
Message shown in the car
Vehicle may not restart Service is required
Alert description
The Battery Management System (BMS) detects that the shunt is missing (MIA).
Potential impact
Inability to charge, drive, or support the Low Voltage (LV) system
Set condition
The BMS does not receive one or more expected CAN messages from the shunt.
Clear condition
The BMS receives all expected CAN messages from the shunt.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a128.