BMS_w166 — SW Ah To Be Charged Imbal
Full alert identifier: BMS_w166_SW_AhToBeCharged_Imbal
Alert description
The battery management system (BMS) detects a high delta between the brick that needs the least amp hours (Ah) compared to the one that needs the most Ah.
Potential impact
This alert is primarily informational and is used for logging purposes. It may indicate a poorly balanced pack, which should go away after the pack is properly balanced.
Set condition
The BMS has detected that the difference between the brick that needs the least amp hours (Ah) compared to the one that needs the most is above the maximum threshold.
Clear condition
The BMS detects that the difference between the brick that needs the least amp hours (Ah) compared to the one that needs the most is within the acceptable range.
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 |
|---|---|
Ah To Be Charged Imbalance
BMS_
|
Ah |
Max Ah To Be Charged
BMS_
|
Ah |
Min Ah To Be Charged
BMS_
|
Ah |
| Signal | Unit |
|---|---|
Max Ah To Be Charged Brick ID
BMS_
|
— |
Min Ah To Be Charged Brick 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_w166.