BMS_w161 — SW Contactor Stress
Full alert identifier: BMS_w161_SW_Contactor_Stress
Alert description
The battery management system (BMS) has detected that pack contactor degradation has exceeded the maximum threshold.
Potential impact
This alert is primarily informational and serves as an early warning of pack contactor degradation.
Set condition
The BMS detects that the pack contactor stress estimate is above the warning limit threshold.
Clear condition
The BMS detects that the pack contactor stress estimate is below the warning limit 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 |
|---|---|
Neg Ctr Impedance
BMS_
|
uOhms |
Neg Ctr Stress
BMS_
|
J |
Pos Ctr Impedance
BMS_
|
uOhms |
Pos Ctr Stress
BMS_
|
J |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w161.