BMS_w097 — HW BMB Under Voltage
Full alert identifier: BMS_w097_HW_BMB_Under_Voltage
Message shown in the car
Service is required PULL OVER SAFELY
Alert description
A battery monitoring board (BMB) reports a brick under voltage event, indicating that the BMB has detected a brick voltage lower than the minimum allowed brick voltage threshold.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
A brick voltage drops below the minimum allowed brick voltage threshold.
Clear condition
All brick voltages are above the minimum allowed brick voltage threshold.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Min Brick V
BMS_
|
V |
Pack Current
BMS_
|
A |
| Signal | Unit |
|---|---|
UV Status
BMS_
|
— |
UV Status Ok
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_w097.