Battery management system alerts
Browse 407 BMS alert codes and open an entry for its description and recorded conditions.
BMS alert codes
Showing 201–250 of 407
- BMS_u006 — End of Drive Ramp Down BMS_u006_End_of_Drive_Ramp_Down The battery management system (BMS) has put the high voltage (HV) battery into an end-of-drive ramp down due to a low state of charge (SOC).
- BMS_u007 — Slowed Chg Batt Cold BMS_u007_Slowed_Chg_Batt_Cold The battery management system (BMS) has limited the rate of charging until cell temperatures increase.
- BMS_u008 — Limp Mode BMS_u008_limpMode The battery management system (BMS) detects a condition that would damage the high voltage (HV) system, so it puts the vehicle in limp mode.
- BMS_u009 — Power Will Improve BMS_u009_Power_Will_Improve
- BMS_u010 — Power Will NOT Improve BMS_u010_Power_Will_NOT_Improve
- BMS_u011 — Fast Charger Problem BMS_u011_Fast_Charger_Problem The battery management system (BMS) has detected an issue that prevents DC fast charging.
- BMS_u012 — Fast Charger Incompat BMS_u012_Fast_Charger_Incompat The battery management system (BMS) has detected that the fast charger is not compatible with the firmware (FW) version installed on the vehicle.
- BMS_u013 — Not Supercharge Capable BMS_u013_Not_Supercharge_Capable The vehicle attempts to Supercharge when it is not allowed / configured to do so.
- BMS_u014 — Not Enough Pwr To Heat BMS_u014_Not_Enough_Pwr_To_Heat The battery management system (BMS) has detected that the high voltage (HV) battery is not receiving enough charge power to heat itself.
- BMS_u015 — Not Fast Charge Capable BMS_u015_Not_Fast_Charge_Capable The vehicle is not configured for DC fast charging.
- BMS_u016 — FEIM Delayed Ctr Close BMS_u016_FEIM_Delayed_Ctr_Close The battery management system (BMS) has requested another isolation check before closing pack contactors.
- BMS_u017 — Charge Already Complete BMS_u017_Charge_Already_Complete The battery management system (BMS) has detected that the target start of charge (SOC) when attempting to charge has already been reached.
- BMS_u018 — SOC Imbalance Limiting BMS_u018_SOC_Imbalance_Limiting The battery managed system (BMS) detects a condition internal to the high voltage (HV) battery that requires it to limit the maximum allowed brick voltage.
- BMS_u019 — Acceleration Reduced BMS_u019_Acceleration_Reduced The battery management system (BMS) has limited the maximum discharge current.
- BMS_u020 — Cannot Precharge FC BMS_u020_Cannot_Precharge_FC The battery management system (BMS) is unable to precharge for DC fast charging.
- BMS_u021 — SC Post Out Of Service BMS_u021_SC_Post_Out_Of_Service A Supercharger post is out of service.
- BMS_u022 — EVSE Update In Progress BMS_u022_EVSE_UpdateInProgress A Supercharger post update in progress.
- BMS_u023 — Adapter Update In Progress BMS_u023_AdapterUpdateInProgress The fast charge adapter software is being updated.
- BMS_u024 — Not Uncorked Capable BMS_u024_Not_Uncorked_Capable The battery management system (BMS) has detected that the high voltage (HV) battery current sensor does not support uncorked performance configuration.
- BMS_u025 — Brick Voltage Limit BMS_u025_Brick_Voltage_Limit The battery management system (BMS) has decreased the maximum allowed brick voltage from its original value.
- BMS_u026 — Capacity Imbalance BMS_u026_Capacity_Imbalance The battery management system (BMS) has detected a capacity imbalance within a module has exceeded the maximum threshold.
- BMS_u027 — Chademo Adapter Foldback BMS_u027_ChademoAdapterFoldback The CHAdeMO charge handle adapter has reported that the adapter temperature has exceeded the threshold at which the vehicle should begin folding back charge current.
- BMS_u028 — Chademo Adapter Over Temp BMS_u028_ChademoAdapterOverTemp CHAdeMO adapter reported vehicle connector temperature that is too hot; charging was terminated
- BMS_u029 — D Soc Limiting BMS_u029_dSoc_Limiting There is condition internal to the high voltage (HV) battery requiring the battery management system (BMS) to limit the maximum allowed brick voltage.
- BMS_u030 — Unsupported Adapter BMS_u030_UnsupportedAdapter The battery management system (BMS) has detected an unsupported charging adapter.
- BMS_u031 — Replace Smart Fuse Soon BMS_u031_ReplaceSmartFuseSoon The Battery Management System (BMS) has detected the HV battery pyro fuse is less than 6 months from end of life. The fuse must be replaced with a new self-powered hybrid pyro fuse.
- BMS_u032 — Replace Smart Fuse Needed BMS_u032_ReplaceSmartFuseNeeded The Battery Management System (BMS) has detected the HV battery pyro fuse is less than 3 months from end of life. The fuse must be replaced with a new self-powered hybrid pyro fuse.
- BMS_w001 — HW Over Current BMS_w001_HW_Over_Current The battery management system (BMS) has detected that the high voltage (HV) battery pack current exceeds the hardware overcurrent threshold.
- BMS_w002 — HW Over Voltage BMS_w002_HW_Over_Voltage The battery management system (BMS) has detected that the pack voltage is too high.
- BMS_w003 — HW Module Alarm BMS_w003_HW_Module_Alarm The battery management system (BMS) has detected that one or more of the battery modules has reported an alert. This alert may be set falsely at extremely low LV battery voltages.
- BMS_w004 — Unused 4 BMS_w004_Unused_4 to do.
- BMS_w005 — Unused 5 BMS_w005_Unused_5
- BMS_w006 — HW Ctr Sfty Override BMS_w006_HW_Ctr_Sfty_Override
- BMS_w007 — SW Module Alarm Broken BMS_w007_SW_Module_Alarm_Broken
- BMS_w008 — HW HVIL BMS_w008_HW_HVIL There is a hardware problem with the high voltage interlock loop (HVIL).
- BMS_w009 — SW Pos Contactor Drive BMS_w009_SW_Pos_Contactor_Drive There is an issue with the positive contactor drive circuit. This alert may indicate an open contactor drive circuit, a falsely closed contactor loop, an increase in the contactor coil current during economized operation, or that a contact…
- BMS_w010 — SW Neg Contactor Drive BMS_w010_SW_Neg_Contactor_Drive There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or…
- BMS_w011 — HW Illegal Ctr Req BMS_w011_HW_Illegal_Ctr_Req
- BMS_w012 — HW Pump Drive Fault BMS_w012_HW_Pump_Drive_Fault
- BMS_w013 — HW Liquid Detected BMS_w013_HW_Liquid_Detected
- BMS_w014 — HW Heater Drive BMS_w014_HW_Heater_Drive
- BMS_w015 — HW Sleep Attempt BMS_w015_HW_Sleep_Attempt The complex programmable logic device (CPLD) detects a condition where it cannot go to sleep but is told to do so. The CPLD cannot go to sleep when pack contactors are closed, the high voltage interlock loop (HVIL) is on, or there is a no-…
- BMS_w016 — SW Thermal Gradient BMS_w016_SW_Thermal_Gradient The battery management system (BMS) detects a temperature imbalance between high voltage (HV) battery modules.
- BMS_w017 — SW Brick OV BMS_w017_SW_Brick_OV The battery management system (BMS) has detected that a brick is reporting a voltage above the maximum acceptable cell voltage.
- BMS_w018 — SW Brick UV BMS_w018_SW_Brick_UV
- BMS_w019 — SW BMB Module OT BMS_w019_SW_BMB_Module_OT
- BMS_w020 — SW BMB PCB OT BMS_w020_SW_BMB_PCB_OT Inactive alert.
- BMS_w021 — SW Dr Limits Regulation BMS_w021_SW_Dr_Limits_Regulation The battery management system (BMS) limits power because the pack current, pack voltage, or brick voltage, is outside of the expected bounds.
- BMS_w022 — SW Over Current BMS_w022_SW_Over_Current The battery management system (BMS) has detected a software overcurrent event.
- BMS_w023 — SW Contactors Open HWOC BMS_w023_SW_Contactors_Open_HWOC This alert is used as a counter to record the number of hardware overcurrents (HWOC) detected by the battery management system (BMS).