Battery management system alerts
Browse 226 BMS alert codes and open an entry for its description and recorded conditions.
BMS alert codes
Showing 1–50 of 226
- BMS_a001 — Pack Config Mismatch BMS_a001_Pack_Config_Mismatch The Battery Management System (BMS) detects that the high voltage (HV) battery config block does not match the configuration of the vehicle.
- BMS_a002 — Pack Performance Config Mismatch BMS_a002_Pack_Performance_Config_Mismatch The Gateway packPerformanceDeviation config does not match the configured pack type.
- BMS_a003 — SW Pack Birth Date Missing BMS_a003_SW_Pack_Birth_Date_Missing The Battery Management System (BMS) is unable to read a pack birth date.
- BMS_a004 — Cal Vs Serial Birth Date Mismatch BMS_a004_Cal_Vs_Serial_Birth_Date_Mismatch The programed calibration birth date is more than three months different than the pack serial birth date
- BMS_a007 — SW Slowed Chg Batt Cold BMS_a007_SW_Slowed_Chg_Batt_Cold The battery management system (BMS) has limited charge rate until cell temperatures increase.
- BMS_a016 — Pack Module Id Mismatch BMS_a016_Pack_Module_Id_Mismatch The module IDs do not match the pack type set by the config block.
- BMS_a017 — SW Brick OV BMS_a017_SW_Brick_OV The Battery Management System (BMS) has detected that a brick has exceeded the maximum brick voltage.
- BMS_a018 — SW Brick UV BMS_a018_SW_Brick_UV The Battery Management System (BMS) has detected that a brick has fallen below the minimum brick voltage.
- BMS_a019 — SW Module OT BMS_a019_SW_Module_OT A battery management board (BMB) has detected an over temperature condition in a battery module.
- BMS_a020 — SW Brick Instability BMS_a020_SW_Brick_Instability The Battery Management System (BMS) has detected that a brick has shown second order instability noise.
- BMS_a021 — SW Dr Limits Regulation BMS_a021_SW_Dr_Limits_Regulation The High Voltage (HV) battery drive limits have been exceeded by the system.
- BMS_a022 — SW Over Current BMS_a022_SW_Over_Current The Battery Management System (BMS) has detected a software overcurrent event.
- BMS_a023 — SW Stack OV BMS_a023_SW_Stack_OV The Battery Management System (BMS) has detected that the voltage of one or more of the stacks in the high voltage (HV) battery is too high.
- BMS_a024 — SW Islanded Brick BMS_a024_SW_Islanded_Brick The Battery Management System (BMS) has detected that a brick's voltage slope is significantly less than average.
- BMS_a025 — SW Pwr Balance Anomaly BMS_a025_SW_PwrBalance_Anomaly Indicates power balance anomaly between HV loads.
- BMS_a026 — SW HF Current Anomaly BMS_a026_SW_HFCurrent_Anomaly Indicates unusual high frequency component in pack current.
- BMS_a027 — SW Repeated Isolation Failure In Drive BMS_a027_SW_Repeated_Isolation_Failure_In_Drive High voltage isolation dropped under threshold in many drive sessions
- BMS_a028 — Shunt Asic Current Offset Deviation BMS_a028_ShuntAsicCurrentOffsetDeviation The current sense shunt Application-Specific Integrated Circuit (ASIC) has an offset which has deviated beyond the acceptable range
- BMS_a029 — D Soc Limiting BMS_a029_dSoc_Limiting The Battery Management System (BMS) detects a condition internal to the high voltage (HV) battery that requires the max allowed brick voltage to be limited.
- BMS_a030 — Impedance Deviation BMS_a030_Impedance_Deviation High impedance was detected on one or more bricks.
- BMS_a031 — Alerts Set During Sleep BMS_a031_AlertsSetDuringSleep Alert to indicate that the Battery Management System (BMS) is transmitting alerts that were queued during sleep.
- BMS_a032 — Voltage Loss BMS_a032_VoltageLoss Indicates that a rapid and sustained brick voltage loss has been detected.
- BMS_a033 — Voltage Deviation BMS_a033_VoltageDeviation Indicates that a rapid and sustained brick voltage loss has been detected.
- BMS_a034 — SW Passive Isolation BMS_a034_SW_Passive_Isolation High voltage isolation is too low for the vehicle to operate
- BMS_a035 — SW Isolation BMS_a035_SW_Isolation There is an external or internal isolation alert while pack contactors are closed.
- BMS_a036 — SW Hvp Hvil Fault BMS_a036_SW_HvpHvilFault The Battery Management System (BMS) has detected that the high voltage interlock loop (HVIL) is shorted with the contactors closed.
- BMS_a037 — SW Flood Port Open BMS_a037_SW_Flood_Port_Open The Battery Management System (BMS) has detected that at least one flood port is open.
- BMS_a039 — SW DC Link Over Voltage BMS_a039_SW_DC_Link_Over_Voltage The Battery Management System (BMS) has detected that there is an over voltage event.
- BMS_a040 — SW Watch Dog HW Triggered BMS_a040_SW_Watch_Dog_HW_Triggered The BMS uses this to indicate the SWT peripheral triggered a watchdog expiration
- BMS_a041 — SW Destructive Reset Source BMS_a041_SW_Destructive_Reset_Source The Battery Management System (BMS) reports a previous destructive reset.
- BMS_a042 — SW MPU Error BMS_a042_SW_MPU_Error BMS has detected a memory error
- BMS_a043 — SW Watch Dog Reset BMS_a043_SW_Watch_Dog_Reset Stack dump values from BMS corresponding to the watchdog event
- BMS_a044 — SW Assertion BMS_a044_SW_Assertion The BMS uses this for generic assertions about unexpected conditions
- BMS_a045 — SW Exception BMS_a045_SW_Exception The BMS uses this for specfic exceptions triggered in code, like data exceptions or machine check errors
- BMS_a046 — SW Task Stack Usage BMS_a046_SW_Task_Stack_Usage The BMS uses this for indicating that a task is close to using all its stack
- BMS_a047 — SW Task Stack Overflow BMS_a047_SW_Task_Stack_Overflow The BMS uses this for indicating that a task was detected as overflowing its stack
- BMS_a048 — SW Watch Dog Warning BMS_a048_SW_Watch_Dog_Warning Warns if a task has not checked in to the watchdog within its allocated window.
- BMS_a049 — SW Thermal Event BMS_a049_SW_Thermal_Event The Battery Management System (BMS) detects conditions that indicate a potential propagating thermal event.
- BMS_a050 — SW Brick Voltage MIA BMS_a050_SW_Brick_Voltage_MIA The Battery Management System (BMS) does not have valid data for at least one brick voltage measurement.
- BMS_a051 — SW HVC Vref Bad BMS_a051_SW_HVC_Vref_Bad The Battery Management System (BMS) detects that one or more High Voltage Controller (HVC) voltage references is out of bounds.
- BMS_a052 — SW PCS MIA BMS_a052_SW_PCS_MIA The Battery Management System is not receiving the expected CAN messages from the power conversion system (PCS).
- BMS_a054 — SW Ver Supply Fault BMS_a054_SW_Ver_Supply_Fault The BMS detects the VER supply voltage is below the allowed threshold
- BMS_a055 — SW Hv Chain Model Fault BMS_a055_SW_HvChain_Model_Fault Alert for indicating that the HV chain model has faulted and leaky bucket is being used.
- BMS_a056 — SW Standby Supply Fault BMS_a056_SW_Standby_Supply_Fault The Battery Management System (BMS) detects an unexpected condition with its internal low voltage supply inputs.
- BMS_a057 — SW Bandolier Model Warning BMS_a057_SW_Bandolier_Model_Warning A temperature estimate from the Bandolier Thermal Model is beginning to diverge from the corresponding thermistor measurement. Early warning alert before the model is reset.
- BMS_a058 — SW Bandolier Model Reset BMS_a058_SW_Bandolier_Model_Reset The Bandolier Thermal Model was reset.
- BMS_a059 — SW Pack Voltage Sensing BMS_a059_SW_Pack_Voltage_Sensing The Battery Management System (BMS) detects a mismatch between the pack voltage and the sum of brick voltages.
- BMS_a060 — SW Leakage Test Failure BMS_a060_SW_Leakage_Test_Failure The BMS detects that there is a leakage path on the FC link
- BMS_a061 — SW Brick V Change BMS_a061_SW_BrickV_Change Set when brickV change while resting is greater than the brickV change threshold
- BMS_a062 — SW Brick V Imbalance BMS_a062_SW_BrickV_Imbalance The Battery Management System (BMS) detects that there is a brick voltage imbalance.