BMS_w140 — SW Over Current Sense
Full alert identifier: BMS_w140_SW_OverCurrent_Sense
Message shown in the car
Service is required Schedule service
Alert description
The battery management system (BMS) has detected that there is a high voltage (HV) battery current sensor (shunt) error.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS detects a HV battery current sensor (shunt) is unable to trip its over current fault line.
Clear condition
The BMS detects that the condition clears.
Signals to check
These diagnostic fields are associated with BMS_w140. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Counter Locked Up
BMS_
|
— |
Counter MIA For Hard Reset
BMS_
|
— |
Hwoc Failure Type
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w140.