BMS_a059 — SW Pack Voltage Sensing
Full alert identifier: BMS_a059_SW_Pack_Voltage_Sensing
Message shown in the car
Vehicle may not restart Service is required
Alert description
The Battery Management System (BMS) detects a mismatch between the pack voltage and the sum of brick voltages.
Potential impact
Inability to charge, drive, or support the Low Voltage (LV) system
Set condition
The BMS detects that the HV pack voltage differs from the sum of the brick voltages by more than 3%.
Clear condition
The BMS detects that the HV pack voltage is within 3% of the sum of the brick voltages.
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 |
|---|---|
Pack Voltage
BMS_
|
V |
Sum Brick Voltages
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_a059.