BMS_w104 — HW BMB Enumeration
Full alert identifier: BMS_w104_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_w104. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
BM Balert Reg
BMS_
|
— |
Bmb ID
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w104.