Low-voltage battery vehicle controller alerts
Browse 254 VCBATT1 alert codes and open an entry for its description and recorded conditions.
VCBATT1 alert codes
Showing 201–250 of 254
- VCBATT1_a498 — T LVBMS Impedance Test Results VCBATT1_a498_TLVBMS_ImpedanceTestResults Test results are available for the latest low voltage (LV) battery impedance test.
- VCBATT1_a500 — eFuse AS IC State Mismatch VCBATT1_a500_eFuseASICStateMismatch The eFuse application-specific integrated circuit (ASIC) on the vehicle controller is in an unexpected state
- VCBATT1_a501 — Vnf1048 Configuration Mismatch VCBATT1_a501_vnf1048ConfigurationMismatch VNF1048 EFuse has incorrect thresholds set
- VCBATT1_a502 — T LVBMS Weak Short Impedance VCBATT1_a502_TLVBMS_WeakShortImpedance Indicates a potential weak short impedance was too low in at least one brick
- VCBATT1_a503 — T LVBMS Brick Extended Ov Fault VCBATT1_a503_TLVBMS_BrickExtendedOvFault A Low Voltage (LV) battery pack brick voltage is above the over voltage limit for an extended time period.
- VCBATT1_a508 — T LVBMS Impedance Growth VCBATT1_a508_TLVBMS_ImpedanceGrowth A battery pack brick impedance sufficiently exceeds the expected beginning-of-life impedance value
- VCBATT1_a509 — eFuse AS IC Manager State Mismatch VCBATT1_a509_eFuseASICManagerStateMismatch The eFuse application-specific integrated circuit (ASIC) on the vehicle controller is in an unexpected state
- VCBATT1_a510 — LV Battery Recovery Timeout VCBATT1_a510_LVBatteryRecoveryTimeout A low voltage (LV) battery recovery attempt has timed out and has been aborted, and the internal protection transistor (MOSFET) has been opened. May occur because an external power supply is connected to the LV battery, or due to a high im…
- VCBATT1_a512 — LVBMS Fault MOS Open hardware OC VCBATT1_a512_LVBMSFault_MOS_Open_hardwareOC The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a hardware overcurrent condition.
- VCBATT1_a513 — LVBMS Fault MOS Open chg OC VCBATT1_a513_LVBMSFault_MOS_Open_chgOC The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a charge overcurrent condition.
- VCBATT1_a514 — LVBMS Fault MOS Open cell UV VCBATT1_a514_LVBMSFault_MOS_Open_cellUV The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a cell undervoltage condition.
- VCBATT1_a515 — LVBMS Fault MOS Open cell OV VCBATT1_a515_LVBMSFault_MOS_Open_cellOV The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a cell overvoltage condition.
- VCBATT1_a518 — LVBMS Fault MOS Open pack OV VCBATT1_a518_LVBMSFault_MOS_Open_packOV The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a pack overvoltage condition.
- VCBATT1_a521 — Vcleft eFuse Load Shed VCBATT1_a521_vcleftEFuseLoadShed The electrical current flowing through the left vehicle controller (VCLEFT) eFuse is greater or equal to 100A. The VCLEFT eFuse circuit may open (trip) if the low voltage (LV) electrical system loads are not reduced. The vehicle controller…
- VCBATT1_a523 — eFuse Thresholds Incorrect VCBATT1_a523_eFuseThresholdsIncorrect The eFuse application-specific integrated circuit (ASIC) on the vehicle controller has incorrect thresholds set.
- VCBATT1_a525 — LV Battery SW Misconfiguration VCBATT1_a525_LVBatterySWMisconfiguration The low voltage (LV) battery type detected on startup does not match the LV battery type reported by the vehicle gateway (GTW) configuration.
- VCBATT1_a527 — LV Battery Cell Imbalance VCBATT1_a527_LVBatteryCellImbalance The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance.
- VCBATT1_a528 — LV Battery Comms Discnctd VCBATT1_a528_LVBatteryCommsDiscnctd The low voltage (LV) battery is not communicating as expected, indicating a potential disconnection with the vehicle controller.
- VCBATT1_a529 — Discnctd Battery State Unknown VCBATT1_a529_discnctdBatteryStateUnknown The LV battery may or may not be connected to the vehicle controller
- VCBATT1_a533 — T LVBMS Mosfet Over Temperature Fault VCBATT1_a533_TLVBMS_MosfetOverTemperatureFault The Low Voltage (LV) battery internal protection transistor (MOSFET) temperature is greater than the temperature limit.
- VCBATT1_a541 — LV Battery Charge OC Level1 VCBATT1_a541_LVBatteryChargeOCLevel1 The low voltage battery management system (LVBMS) reports it has detected the charge current is above the maximum limit for the low voltage (LV) battery cells in their present condition.
- VCBATT1_a544 — LV Battery Comms Bus Turned Off VCBATT1_a544_LVBatteryCommsBusTurnedOff The vehicle controller has disabled communications over the bus that connects to the low voltage (LV) battery after detecting a condition (or conditions) that may cause the LV battery to become overdischarged. To avoid overdischarge that c…
- VCBATT1_a545 — LV Battery Type Unknown VCBATT1_a545_LVBatteryTypeUnknown The low voltage (LV) battery type detected on startup is unknown. This usually happens the first time a controller is powered on, or after non-volatile memory (NVM) corruption, which will be indicated by another alert.
- VCBATT1_a548 — HV Fault Load Shed VCBATT1_a548_HVFaultLoadShed The low voltage (LV) battery is discharging, even though high voltage (HV) system support has been requested. Vehicle loadshedding will occur, and a separate alert will be present to indicate that condition.
- VCBATT1_a555 — LV Battery Cell Rebalancing VCBATT1_a555_LVBatteryCellRebalancing The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance and is attempting to rebalance the cell voltages. The vehicle will be kept awake to support the LV battery until th…
- VCBATT1_a556 — False Trigger Of Discnctd Battery Test VCBATT1_a556_falseTriggerOfDiscnctdBatteryTest The disconnected battery test was triggered falsely.
- VCBATT1_a559 — LV Battery Low SOC VCBATT1_a559_LVBatteryLowSOC The low voltage battery management system (LVBMS) reports the low voltage (LV) battery has a reduced state of charge (SOC), which may lead to the LVBMS opening the LV battery internal protection transistor (MOSFET).
- VCBATT1_a561 — LVBMS eFuse Overtemperature VCBATT1_a561_LVBMSEFuseOvertemperature The Low Voltage Battery Management System (LVBMS) detects high temperature at the low voltage (LV) battery MOSFET (internal protection transistor).
- VCBATT1_a562 — LVBMS Module Overtemperature VCBATT1_a562_LVBMSModuleOvertemperature The Low Voltage Battery Management System (LVBMS) detects that the low voltage (LV) battery pack is experiencing high temperatures.
- VCBATT1_a573 — Radar eFuse Trip VCBATT1_a573_radarEFuseTrip The battery vehicle controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the radar power feed.
- VCBATT1_a575 — Vbat Fused Load Shed eFuse Trip VCBATT1_a575_vbatFusedLoadShedEFuseTrip The battery vehicle controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the fused loadshed circuit.
- VCBATT1_a576 — Mcu Logic eFuse Trip VCBATT1_a576_mcuLogicEFuseTrip The battery vehicle controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the Media Control Unit (MCU) logic power feed.
- VCBATT1_a580 — Right Headlight eFuse Trip VCBATT1_a580_rightHeadlightEFuseTrip The battery vehicle controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the right headlight power feed.
- VCBATT1_a581 — Harness Resistance Info VCBATT1_a581_harnessResistanceInfo Battery Vehicle Controller (VCBATT) detects a large voltage drop to endpoint.
- VCBATT1_a582 — Good For PCS Power Cycle VCBATT1_a582_goodForPCSPowerCycle The vehicle controller (VC) identified the PCS is MIA and may be in need of a power cycle to be recovered. This alert indicates the low voltage (LV) battery is in good state to support this.
- VCBATT1_a585 — Lv Battery Health Test Required VCBATT1_a585_lvBatteryHealthTestRequired The Low Voltage (LV) battery state of health is unknown. A health test is required to determine state of health.
- VCBATT1_a587 — External LV Power Supply VCBATT1_a587_externalLVPowerSupply An external low voltage power supply is detected. LVBMS_packCurrent and IBSCurrent reading are significantly different.
- VCBATT1_a588 — Vcleft Pwr Rationality Curve VCBATT1_a588_vcleftPwrRationalityCurve Higher than expected power draw has been detected.
- VCBATT1_a589 — Vcleft Fast Blow Detection VCBATT1_a589_vcleftFastBlowDetection Higher than expected power draw has been detected.
- VCBATT1_a592 — Vcleft Curve Power Cutoff VCBATT1_a592_vcleftCurvePowerCutoff The front vehicle controller (VCFRONT) detects a power draw higher than expected from the left vehicle controller (VCLEFT), causing the VCFRONT to power off the VCLEFT.
- VCBATT1_a593 — Vcleft Fast Blow Power Cutoff VCBATT1_a593_vcleftFastBlowPowerCutoff The front vehicle controller (VCFRONT) detects a sudden high power draw from the left vehicle controller (VCLEFT), causing the VCFRONT to power off the VCLEFT.
- VCBATT1_a595 — Voltage Sensor Mismatch VCBATT1_a595_voltageSensorMismatch The voltage measurement reported by the LV battery does not match one or more voltage sensors on the associated vehicle controller (VC).
- VCBATT1_a597 — LVBMB eFuse Self Test Not Ready VCBATT1_a597_LVBMBeFuseSelfTestNotReady The Low Voltage (LV) battery internal protection transistor (MOSFET) self test has not yet completed.
- VCBATT1_a598 — LVBMB eFuse Self Test Failed VCBATT1_a598_LVBMBeFuseSelfTestFailed The vehicle controller detects the Low Voltage (LV) battery internal protection transistor (MOSFET) self test has failed, indicating one or more conditions affecting MOSFET functionality.
- VCBATT1_a599 — LV Battery Type Unsupported VCBATT1_a599_LVBatteryTypeUnsupported The low voltage (LV) battery type reported by the vehicle gateway (GTW) configuration is a battery type not supported by this controller / firmware.
- VCBATT1_a600 — Current Sensor Mismatch VCBATT1_a600_currentSensorMismatch The current measurement reported by the LV battery (LVBMS_packCurrent) does not match the current sensor on the vehicle controller LV battery feed (IBSCurrent).
- VCBATT1_a601 — LV Battery Heater Not Present VCBATT1_a601_LVBatteryHeaterNotPresent The low voltage (LV) battery detected by the controller does not have an on-board heater. This battery type is not approved for use in this vehicle configuration.
- VCBATT1_a608 — T LVBMS Bleed Fet Failure VCBATT1_a608_TLVBMS_BleedFetFailure 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.
- VCBATT1_a615 — T LVBMS Battery Heater Fault VCBATT1_a615_TLVBMS_BatteryHeaterFault The Low Voltage (LV) battery heater is degraded.
- VCBATT1_a617 — APP MIA VCBATT1_a617_APP_MIA One or more of the expected CAN messages from APP were not received.