Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
The battery management system (BMS) detects that one of the pack contactors is welded.
|
The BMS detects that one of the pack contactors is welded.
|
This alert is primarily informational.
|
No
|
|
|
The battery management system (BMS) detects an uncontrolled regen event.
|
The BMS detects regen power above the maximum threshold while in drive.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
BMS_d003_FEIM_Failure
|
|
-
|
No
|
|
|
BMS_d009_Over_Temperature
|
|
-
|
No
|
|
|
BMS_d008_HV_Discharge_Fault
|
|
-
|
No
|
|
|
BMS_d007_HVIL_Fault
|
|
-
|
No
|
|
|
BMS_d006_Neg_Ctr_Stuck_Closed
|
|
-
|
No
|
|
|
BMS_d005_Pos_Ctr_Stuck_Closed
|
|
-
|
No
|
|
|
BMS_d004_System_Iso_Failure
|
|
-
|
No
|
|
|
The battery management system (BMS) detects low isolation while DC charging
|
The BMS detects that isolation resistance on the high voltage (HV) bus has fallen below the acceptable threshold while the vehicle is DC charging
|
The vehicle will not charge until the charge cable is removed and the alert is cleared
|
No
|
|
|
The BMS has detected isolation failure conditions in several drive sessions
|
Isolation or isolation degradation alert is set in several drive sessions
|
Vehicle may be unable to restart
|
No
|
|
|
The battery management system (BMS) detects a mismatch between actual and commanded fast charge (FC) contactor set state.
|
High voltage processor (HVP) comms are ok and fast charge contactors were closed and fast charge contactors are now open / opening and BMS_fcContactorRequest has remained closed.
|
DC charging is terminated.
|
No
|
|
|
The battery management system (BMS) detects a pattern test failure on a battery monitoring board (BMB).
|
The BMS runs the BMB pattern diagnostics and detects a deviation from the expected results for any device in the chain.
|
This alert is primarily informational, and may indicate a potential BMB hardware failure.
|
No
|
|
|
The battery management system (BMS) detects that the charge port (CP) is missing (MIA).
|
The BMS has not received one or more expected CAN messages from the CP.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The Battery Management System (BMS) detects a Force External Isolation Test (FEIM) is required but is blocked due to a condition on the vehicle.
|
The BMS detects the FEIM is blocked due to another condition on the vehicle. Alert log signal data should provide more information on the specific reason.
|
The vehicle may be unable to drive.
|
No
|
|
|
The battery management system (BMS) detects a missing, incorrect, or unsupported part number.
|
The BMS detects an unexpected part number.
|
The BMS is unable to initialize parameters related to printed circuit board assembly (PCBA) configuration.
|
No
|
|
|
The battery management system (BMS) detects a mismatch between the actual and commanded pack contactor set state.
|
High voltage processor (HVP) comms are OK and pack contactors were closed and pack contactors are now open / opening and BMS_packContactorRequest has remained closed.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The battery management system (BMS) detects that there is low high voltage isolation when pack contactors are opened.
|
The BMS detects that isolation dropped below the minimum threshold when pack contactors were open.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The battery management system (BMS) detects that there is a coolant flood in the high voltage battery.
|
The BMS detects that isolation dropped below the minimum threshold when pack contactors are open and the low coolant signal is active.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The battery management system (BMS) was unable to close pack contactors.
|
The BMS detects a condition that prevents it from closing pack contactors.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|