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BMS_f104 — HW BMB Enumeration

Full alert identifier: BMS_f104_HW_BMB_Enumeration

Message shown in the car

Service is required Schedule service

Alert description

The battery management system (BMS) detects that one or several battery monitoring boards (BMB) are unable to enumerate when the vehicle starts.

Potential impact

Inability to charge, drive, or support the low voltage (LV) system

Set condition

The battery management system (BMS) detects that one or several battery monitoring boards (BMB) are unable to enumerate when the vehicle starts.

Clear condition

The BMS detects that all BMBs are able to enumerate when the vehicle starts.

Signals to check

These diagnostic fields are associated with BMS_f104. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
BM Balert Reg BMS_a104_BMBalertReg
0
ADR INV
1
ADR LOST
2
uP LOST
3
BAD DATA
—
Bmb ID BMS_a104_bmbID —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f104.

Browse all BMS alert codes