BMS_w033 — SW Crash
Full alert identifier: BMS_w033_SW_Crash
Message shown in the car
Service is required PULL OVER SAFELY
Alert description
The battery management system (BMS) detects that there was loss of power to pack contactors while they are closed. The BMS assumes that the pyro fuse on the contactor power supply signal blew during a crash.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS detects that there is a loss of power to pack contactors while they are closed.
Clear condition
The BMS detects that power has been restored to pack contactors.
Signals to check
These diagnostic fields are associated with BMS_w033. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Crash Happened
BMS_
|
— |
Crash Reason
BMS_
|
— |
Current Toggle Result
BMS_
|
— |
Last Toggle Result
BMS_
|
— |
Second Last Toggle Result
BMS_
|
— |
X Crash Signal
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w033.