BMS_w141 — SW 12 V Pwr Supply Low
Full alert identifier: BMS_w141_SW_12V_Pwr_Supply_Low
Message shown in the car
Power reduced - Unable to charge Service is required
Alert description
The battery management system (BMS) has detected an issue with the low voltage (LV) power supply to the contactors.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS detects that the input voltage from the LV system is too low.
Clear condition
The BMS detects that the input voltage from the LV system is within nominal range.
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 |
|---|---|
Ctr Pwr V
BMS_
|
V |
Hv Disc V
BMS_
|
V |
Vehicle 12 V
BMS_
|
V |
| Signal | Unit |
|---|---|
State
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w141.