Battery management system alerts
Browse 407 BMS alert codes and open an entry for its description and recorded conditions.
BMS alert codes
Showing 251–300 of 407
- BMS_w024 — SW Ctrs Open Under Load BMS_w024_SW_Ctrs_Open_Under_Load The battery management system (BMS) has detected that pack contactors opened while under load.
- BMS_w025 — SW FC Ctrs Open Undr Ld BMS_w025_SW_FC_Ctrs_Open_Undr_Ld The battery management system (BMS) has detected that the fast charge contactors opened under load.
- BMS_w026 — SW Ctrs Disabled BMS_w026_SW_Ctrs_Disabled The battery management system (BMS) detects that pack contactors have been disabled.
- BMS_w027 — SW Drive Iso Repeated BMS_w027_SW_Drive_Iso_Repeated
- BMS_w028 — SW Drive Iso Std Dev BMS_w028_SW_Drive_Iso_StdDev The battery management system (BMS) detects that the standard deviation of isolation resistance while in drive is high.
- BMS_w029 — SW Current Sensor Reset BMS_w029_SW_Current_Sensor_Reset The battery management system (BMS) senses that the current sensor is undergoing a hard reset.
- BMS_w030 — SW Chg Port Door Open BMS_w030_SW_Chg_Port_Door_Open
- BMS_w031 — SW Precharge Res Hot BMS_w031_SW_Precharge_Res_Hot The battery management system (BMS) has detected that the HV battery precharge resistor is above the maximum operating temperature.
- BMS_w032 — SW Bus V Not Reducing BMS_w032_SW_BusVNotReducing The battery management system (BMS) detects that bus voltage is not reducing quickly enough.
- BMS_w033 — SW Crash BMS_w033_SW_Crash 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.
- BMS_w034 — SW Isolation Sensor BMS_w034_SW_Isolation_Sensor
- BMS_w035 — SW Isolation BMS_w035_SW_Isolation
- BMS_w036 — SW HVIL BMS_w036_SW_HVIL
- BMS_w037 — SW Pos Contactor BMS_w037_SW_Pos_Contactor The battery management system (BMS) detects that the positive contactor remains open during the first 2 seconds of pack contactors attempting to close.
- BMS_w038 — SW Neg Contactor BMS_w038_SW_Neg_Contactor The battery management system (BMS) detects that the negative contactor remains open during the first 2 seconds of pack contactors attempting to close.
- BMS_w039 — SW DC Link Over Voltage BMS_w039_SW_DC_Link_Over_Voltage The battery management system (BMS) has detected that there is an over voltage event external to the high voltage (HV) battery.
- BMS_w040 — SW BMS PCB OT BMS_w040_SW_BMS_PCB_OT
- BMS_w041 — SW Liquid Detected BMS_w041_SW_Liquid_Detected Inactive alert.
- BMS_w042 — SW Humidity BMS_w042_SW_Humidity Deprecated alert
- BMS_w043 — SW Watch Dog Reset BMS_w043_SW_Watch_Dog_Reset
- BMS_w044 — SW Assertion BMS_w044_SW_Assertion This is an engineering diagnostic alert. It indicates that the software noticed something unexpected but still ended up in an expected state condition. If this alert persists, it may indicate an issue in the production code.
- BMS_w045 — SW Internal CANB error BMS_w045_SW_Internal_CANB_error
- BMS_w046 — SW External CANA error BMS_w046_SW_External_CANA_error
- BMS_w047 — SW Memory Error BMS_w047_SW_Memory_Error This alert indicates potential corruption in the battery management system (BMS) board flash memory or RAM.
- BMS_w048 — SW S CC BMS_w048_SW_SCC Inactive alert.
- BMS_w049 — SW Thermal Event BMS_w049_SW_Thermal_Event
- BMS_w050 — SW BMB MIA BMS_w050_SW_BMB_MIA
- BMS_w051 — SW Current Sensor MIA BMS_w051_SW_Current_Sensor_MIA
- BMS_w052 — SW Charger MIA BMS_w052_SW_Charger_MIA The battery management system (BMS) cannot communicate with the master charger and has reported it as missing (MIA).
- BMS_w053 — SW EVCM MIA BMS_w053_SW_EVCM_MIA Inactive alert.
- BMS_w054 — SW Current Sensor BMS_w054_SW_Current_Sensor
- BMS_w055 — SW Pump BMS_w055_SW_Pump Inactive alert.
- BMS_w056 — SW Module Temp Outlier BMS_w056_SW_Module_Temp_Outlier The battery management system (BMS) detects one or more thermistors report that a specific module has an outlier temperature when compared to the other modules. This alert is for logging purposes only.
- BMS_w057 — SW Chiller BMS_w057_SW_Chiller Inactive alert.
- BMS_w058 — SW Heater Performance BMS_w058_SW_Heater_Performance Inactive alert.
- BMS_w059 — SW Pack Voltage Sensing BMS_w059_SW_Pack_Voltage_Sensing
- BMS_w060 — SW BMB Power Supply BMS_w060_SW_BMB_Power_Supply Inactive alert.
- BMS_w061 — SW BMS Power Supply BMS_w061_SW_BMS_Power_Supply
- BMS_w062 — SW Ctr Pwr Supply BMS_w062_SW_Ctr_Pwr_Supply The battery management system (BMS) has detected that a pack contactor is not getting enough power.
- BMS_w063 — SW Precharge Failure BMS_w063_SW_Precharge_Failure The battery management system (BMS) has detected an issue during the precharge process, and the pack contactors were unable to close.
- BMS_w064 — SW Brick V Imbalance BMS_w064_SW_BrickV_Imbalance The battery management system (BMS) has detected there is a brick voltage imbalance.
- BMS_w065 — SW Brick Low Capacity BMS_w065_SW_Brick_Low_Capacity The battery management system (BMS) has detected that one brick has lower calculated amp-hour capacity (CAC) than the rest of the bricks.
- BMS_w066 — SW High Brick Imp BMS_w066_SW_High_Brick_Imp Inactive alert.
- BMS_w067 — SW Low Coolnt Flow Rate BMS_w067_SW_Low_Coolnt_Flow_Rate The battery management system (BMS) has restricted the power outlet to the high voltage (HV) battery to thermally protect the battery cells due to lack of coolant flow.
- BMS_w068 — SW Low SOC BMS_w068_SW_Low_SOC The battery management system (BMS) does not have enough power to provide low voltage (LV) support.
- BMS_w069 — SW Low Power BMS_w069_SW_Low_Power
- BMS_w070 — SW Iso Fast Flood BMS_w070_SW_Iso_Fast_Flood The battery management system (BMS) detects a sudden loss of isolation while the vehicle is driving.
- BMS_w071 — SW SM Trans Con Not Met BMS_w071_SW_SM_TransCon_Not_Met The battery management system (BMS) cannot transition into the requested state because of a blocking condition.
- BMS_w072 — SW Unexpctd Ctr Bhvr BMS_w072_SW_Unexpctd_Ctr_Bhvr The Battery Management System (BMS) detects the contactors took longer to pull in than expected, based on service disconnect voltage. There may be an issue with one of the battery contactors.
- BMS_w073 — SW Unexpctd HV Sys Bhvr BMS_w073_SW_Unexpctd_HV_Sys_Bhvr The battery management system (BMS) detected abnormal HV bus behavior during precharge.