Battery management system alerts
Browse 219 BMS alert codes and open an entry for its description and recorded conditions.
BMS alert codes
Showing 101–150 of 219
- BMS_a123 — SW Internal Isolation BMS_a123_SW_Internal_Isolation The Battery Management System (BMS) detects that there is low high voltage isolation when pack contactors are opened.
- BMS_a124 — Battery Coolant Flood BMS_a124_Battery_Coolant_Flood The Battery Management System (BMS) detects that there is a coolant flood in the high voltage battery.
- BMS_a126 — SW Thermistor Failure BMS_a126_SW_Thermistor_Failure A thermistor internal sense on Batman has failed
- BMS_a127 — SW shunt SNA BMS_a127_SW_shunt_SNA The Battery Management System (BMS) has detected that the shunt is unavailable (SNA).
- BMS_a128 — SW shunt MIA BMS_a128_SW_shunt_MIA The Battery Management System (BMS) detects that the shunt is missing (MIA).
- BMS_a129 — SW VSH Failure BMS_a129_SW_VSH_Failure The Battery Management System (BMS) has detected a high voltage sense harness (VSH) impedance.
- BMS_a130 — IO CAN Error BMS_a130_IO_CAN_Error BMS has an error transmitting on VEH, HVS or HVI CAN bus
- BMS_a131 — Bleed FET Failure BMS_a131_Bleed_FET_Failure A bleed Field-Effect Transistor (FET) on the Battery Management Board (BMB) is not operating as designed. This will prevent the battery from balancing the brick by decreasing the brick voltage.
- BMS_a132 — HW BMB OTP Uncorrctbl BMS_a132_HW_BMB_OTP_Uncorrctbl An uncorrectable error has been detected in the OTP (one-time programmable) memory for a battery monitoring board (BMB) device.
- BMS_a133 — IO CAN Bus Off BMS_a133_IO_CAN_Bus_Off BMS detected and recovered from bus off on VEH, HVS or HVI CAN bus
- BMS_a134 — SW Delayed Ctr Off BMS_a134_SW_Delayed_Ctr_Off The Battery Management System (BMS) has started a timer and will open contactors once it expires
- BMS_a135 — HW BMB Diagnostics Failure BMS_a135_HW_BMB_Diagnostics_Failure The Battery Management System (BMS) detects a pattern test failure on a battery monitoring board (BMB).
- BMS_a136 — SW Module OT Warning BMS_a136_SW_Module_OT_Warning The Battery Management System (BMS) has detected one or more module temperatures exceed the warning threshold.
- BMS_a137 — SW Brick UV Warning BMS_a137_SW_Brick_UV_Warning Battery Management System (BMS) has detected that one or more bricks' voltage is below the warning threshold
- BMS_a138 — SW Brick OV Warning BMS_a138_SW_Brick_OV_Warning Battery Management System (BMS) has detected that one or more bricks' voltage is above the warning threshold
- BMS_a139 — SW DC Link V Irrational BMS_a139_SW_DC_Link_V_Irrational The Battery Management System (BMS) has detected a mismatch between the pack voltage and DC Link voltage.
- BMS_a140 — HW BMB Status Fault BMS_a140_HW_BMB_Status_Fault The Battery Management System (BMS) detected a condition that indicates a BMB device fault.
- BMS_a141 — SW BMB Status Warning BMS_a141_SW_BMB_Status_Warning Battery Management System (BMS) has detected a correctable BMB OTP error
- BMS_a142 — SW Isolation Degradation BMS_a142_SW_Isolation_Degradation The Battery Management System (BMS) detects that the high voltage (HV) isolation contactor closed below the warning threshold.
- BMS_a143 — SW CAC Change BMS_a143_SW_CAC_Change The Battery Management System (BMS) detects a large calculated amp-hour capacity (CAC) update.
- BMS_a144 — Hvp Config Mismatch BMS_a144_Hvp_Config_Mismatch The Battery Management System (BMS) detects that the high voltage processor (HVP) configuration doesn't match.
- BMS_a145 — SW SOC Change BMS_a145_SW_SOC_Change A State of Charge (SOC) based on Open Circuit Voltage (OCV), known as SocByOcv, correction of greater than 3% to high voltage (HV) battery SOC occurred during the previous resting period (time vehicle was not used). This may cause a signif…
- BMS_a146 — SW Brick Overdischarged BMS_a146_SW_Brick_Overdischarged The Battery Management System (BMS) has detected that a brick is over-discharged.
- BMS_a147 — SW SOC High Ah Error BMS_a147_SW_SOC_High_Ah_Error The Battery Management System (BMS) detects that a state of charge (SOC) by high Ah saturation occurred while SOC saturation was active.
- BMS_a148 — SW Unsupported BMB AS IC Type BMS_a148_SW_Unsupported_BMB_ASIC_Type The Battery Management System (BMS) detects a battery monitoring board (BMB) application-specific integrated circuit (ASIC) configuration that is not supported.
- BMS_a149 — SW Missing Config Block BMS_a149_SW_Missing_Config_Block The Battery Management System (BMS) detects a missing, incorrect, or unsupported config block.
- BMS_a150 — SW Missing Part Number BMS_a150_SW_Missing_Part_Number The Battery Management System (BMS) detects a missing, incorrect, or unsupported part number.
- BMS_a151 — SW external isolation BMS_a151_SW_external_isolation The Battery Management System (BMS) detects that high voltage (HV) isolation is too low while pack contactors are closed.
- BMS_a152 — Isolation In Dc Charge BMS_a152_Isolation_In_Dc_Charge The Battery Management System (BMS) detects low isolation while DC charging
- BMS_a153 — Grid Form Faulted BMS_a153_GridFormFaulted The active grid form session has faulted.
- BMS_a154 — SW Brick OV Warning Stop Charge BMS_a154_SW_Brick_OV_Warning_Stop_Charge The Battery Management System (BMS) has detected that a brick has exceeded the warning brick voltage for a sustained period of time.
- BMS_a155 — SW Weak short impedence BMS_a155_SW_Weak_short_impedence Indicates a potential weak short impedance was too low in at least one brick
- BMS_a156 — SW BMB Vref bad BMS_a156_SW_BMB_Vref_bad The Battery Management System (BMS) detects an out-of-bounds module voltage reference.
- BMS_a157 — SW Hist Update Missed BMS_a157_SW_Hist_Update_Missed A new histogram missed an update or the max updates missed by a histogram increased above the previous max limit
- BMS_a158 — SW HVP HVI Comms BMS_a158_SW_HVP_HVI_Comms The Battery Management System (BMS) reports a communication issue with the high voltage processor (HVP).
- BMS_a159 — SW HVP ECU Error BMS_a159_SW_HVP_ECU_Error The High Voltage Processor (HVP) error pin is asserted on Battery Management System (BMS) input.
- BMS_a160 — SW FC Ctr Clean Failed BMS_a160_SW_FC_Ctr_Clean_Failed Attempts at clearing the FC contactor weld via contactor cleaning have failed
- BMS_a161 — SW BMB Vref warning BMS_a161_SW_BMB_Vref_warning Indicates a BMB reference voltage was out of bounds
- BMS_a162 — SW No Power For Support BMS_a162_SW_No_Power_For_Support The Battery Management System (BMS) does not have enough power to provide Low Voltage (LV) support.
- BMS_a163 — Grid Form Aborted BMS_a163_GridFormAborted The active grid form session has aborted and consumed a retry.
- BMS_a164 — SW Uncontrolled Regen BMS_a164_SW_Uncontrolled_Regen The Battery Management System (BMS) detects an uncontrolled regen event.
- BMS_a165 — SW Pack Partial Weld BMS_a165_SW_Pack_Partial_Weld The Battery Management System (BMS) detects that one of the pack contactors is welded.
- BMS_a166 — SW Pack Full Weld BMS_a166_SW_Pack_Full_Weld The Battery Management System (BMS) detects that both of the pack contactors are welded.
- BMS_a167 — SW FC Partial Weld BMS_a167_SW_FC_Partial_Weld The Battery Management System (BMS) detects that one of the FC link contactors is welded.
- BMS_a168 — SW FC Full Weld BMS_a168_SW_FC_Full_Weld The Battery Management System (BMS) detects that both of the FC Link contactors are welded.
- BMS_a169 — SW FC Pack Weld BMS_a169_SW_FC_Pack_Weld The Battery Management System (BMS) detects that one DC (pack) and one FC contactor are welded.
- BMS_a170 — SW Limp Mode BMS_a170_SW_Limp_Mode The Battery Management System (BMS) has reduced power for driving.
- BMS_a171 — SW Stack Voltage Sense BMS_a171_SW_Stack_Voltage_Sense The Battery Management System (BMS) has detected an issue with brick voltage measurement.
- BMS_a172 — SW Isolation Failure In Drive Warning BMS_a172_SW_Isolation_Failure_In_Drive_Warning The BMS has detected isolation failure conditions in several drive sessions
- BMS_a173 — Full Pack Energy Degraded BMS_a173_FullPackEnergyDegraded The Battery Management System (BMS) has determined that the full pack energy estimate of HV battery is less than 70% of the begining of life energy estimate