BMS_w031 — SW Precharge Res Hot
Full alert identifier: BMS_w031_SW_Precharge_Res_Hot
Message shown in the car
Unable to start vehicle Service is required
Alert description
The battery management system (BMS) has detected that the HV battery precharge resistor is above the maximum operating temperature.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS detects that pack contactors have opened and closed too many times in a short period of time.
Clear condition
The BMS detects that enough time has passed before pack contactors are closed again.
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 |
|---|---|
Bms Pcb T
BMS_
|
C |
Pre Chg Res T
BMS_
|
C |
Vehicle 12 V
BMS_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w031.