BMS_f023 — SW Contactors Open HWOC
Full alert identifier: BMS_f023_SW_Contactors_Open_HWOC
Message shown in the car
Service is required Schedule service
Alert description
This alert is used as a counter to record the number of hardware overcurrents (HWOC) detected by the battery management system (BMS).
Potential impact
This alert is primarily informational and is used for logging purposes.
Set condition
The BMS detects that the contactors were opened under load because of a HWOC event.
Clear condition
The BMS detects that the condition clears.
Signals to check
These diagnostic fields are associated with BMS_f023. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Hw Oc Count
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f023.