BMS_f156 — SW BMB Vref bad
Full alert identifier: BMS_f156_SW_BMB_Vref_bad
Message shown in the car
Service is required Schedule service
Alert description
The battery management system (BMS) has detected a battery monitoring board (BMB) voltage reference is unstable.
Potential impact
This alert is primarily informational.
Set condition
The BMS detects a BMB voltage reference is unstable.
Clear condition
The BMS detects that the condition clears.
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 |
|---|---|
Brick V Prev
BMS_
|
V |
Brick Vdelta
BMS_
|
V |
| Signal | Unit |
|---|---|
Bmb ID
BMS_
|
— |
Brick VID
BMS_
|
— |
Brick Vsample
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f156.