BMS_a143 — SW CAC Change
Full alert identifier: BMS_a143_SW_CAC_Change
Alert description
The Battery Management System (BMS) detects a large calculated amp-hour capacity (CAC) update.
Potential impact
This alert is primarily informational.
Set condition
The BMS detects a change in CAC above the limit threshold.
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 |
|---|---|
Cac Update Error
BMS_
|
Ah |
Delta Ah
BMS_
|
Ah |
Ending Soc
BMS_
|
% |
Initial Soc
BMS_
|
% |
| Signal | Unit |
|---|---|
Cac Change 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_a143.