Front vehicle controller alerts
Browse 689 VCFRONT alert codes and open an entry for its description and recorded conditions.
VCFRONT alert codes
Showing 501–550 of 689
- VCFRONT_a494 — LV Battery Temp Blocking OTA VCFRONT_a494_LVBatteryTempBlockingOTA The vehicle controller detects the low voltage (LV) battery is not within an acceptable temperature range to support vehicle electrical systems during an over-the-air (OTA) vehicle software update.
- VCFRONT_a495 — LV Battery Recovery Blocked VCFRONT_a495_LVBatteryRecoveryBlocked The vehicle controller detects a condition (or conditions) preventing the low voltage (LV) battery internal protection transistor (MOSFET) from closing so the LV battery can be recovered. However, the LV battery may be recoverable using an…
- VCFRONT_a496 — LV Battery Exit Drive Warning VCFRONT_a496_LVBatteryExitDriveWarning The low voltage (LV) battery is in a critical state and the vehicle controller is about to trigger a graceful exit from drive (also known as a graceful power-off, or GPO). At least one other alert should be present when the vehicle starts…
- VCFRONT_a497 — LV Battery Warn Disconnect VCFRONT_a497_LVBatteryWarnDisconnect The low voltage (LV) battery internal protection transistor (MOSFET) is open, while the LV battery is at low state of charge and recovering the MOSFET is not being attempted. As a result, the low voltage battery management system (LVBMS) c…
- VCFRONT_a498 — T LVBMS Impedance Test Results VCFRONT_a498_TLVBMS_ImpedanceTestResults Test results are available for the latest low voltage (LV) battery impedance test.
- VCFRONT_a499 — Load Shed Pump Flow Request VCFRONT_a499_loadShedPumpFlowRequest Vehicle is running pumps during loadshed due to the HVBMS being hot
- VCFRONT_a500 — eFuse AS IC State Mismatch VCFRONT_a500_eFuseASICStateMismatch The eFuse application-specific integrated circuit (ASIC) on the vehicle controller is in an unexpected state
- VCFRONT_a501 — Vnf1048 Configuration Mismatch VCFRONT_a501_vnf1048ConfigurationMismatch VNF1048 EFuse has incorrect thresholds set
- VCFRONT_a502 — T LVBMS Weak Short Impedance VCFRONT_a502_TLVBMS_WeakShortImpedance Indicates a potential weak short impedance was too low in at least one brick
- VCFRONT_a503 — T LVBMS Brick Extended Ov Fault VCFRONT_a503_TLVBMS_BrickExtendedOvFault A Low Voltage (LV) battery pack brick voltage is above the over voltage limit for an extended time period.
- VCFRONT_a504 — Air In Refrigerant Detected VCFRONT_a504_airInRefrigerantDetected Low flow index has been detected at high subcool at steady state or suction superheat is found to be abnormally low, which indicates that air bubbles are circulating in the refrigerant system.
- VCFRONT_a505 — BLE Front Under Voltage VCFRONT_a505_BLEFrontUnderVoltage BLE Front endpoint terminal is under minimum voltage of 7V
- VCFRONT_a506 — Invalid Refrigerant System Config VCFRONT_a506_invalidRefrigerantSystemConfig The refrigerant loop devices may not work as expected.
- VCFRONT_a507 — Left Headlamp Aiming Fault VCFRONT_a507_leftHeadlampAimingFault Used for debugging why headlamp aiming state could not be entered
- VCFRONT_a508 — T LVBMS Impedance Growth VCFRONT_a508_TLVBMS_ImpedanceGrowth A battery pack brick impedance sufficiently exceeds the expected beginning-of-life impedance value
- VCFRONT_a509 — Vcright eFuse Load Shed VCFRONT_a509_vcrightEFuseLoadShed Electrical current flowing through the right vehicle controller (VCRIGHT) eFuse has equaled or exceeded 100A. The VCRIGHT eFuse circuit may open (trip) if low voltage (LV) electrical system loads are not reduced. The front vehicle controll…
- VCFRONT_a510 — LV Battery Recovery Timeout VCFRONT_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…
- VCFRONT_a511 — DCDC Saturation Load Shed VCFRONT_a511_DCDCSaturationLoadShed Electrical current flowing through the power conversion system (PCS) eFuse is approaching the DCDC converter's maximum handling capacity. The front vehicle controller (VCFRONT) is shedding some vehicle electrical loads by cutting power to…
- VCFRONT_a512 — LVBMS Fault MOS Open hardware OC VCFRONT_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.
- VCFRONT_a513 — LVBMS Fault MOS Open chg OC VCFRONT_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.
- VCFRONT_a514 — LVBMS Fault MOS Open cell UV VCFRONT_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.
- VCFRONT_a515 — LVBMS Fault MOS Open cell OV VCFRONT_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.
- VCFRONT_a516 — Hibernation Active VCFRONT_a516_hibernationActive Vehicle will enter deep sleep to conserve energy in 10 minutes. It is possible to wake the vehicle up within the next 10 minutes by pressing the trunk button or applying external voltage to the front trunk (frunk) access posts.
- VCFRONT_a517 — Hibernation Recovery VCFRONT_a517_hibernationRecovery The vehicle is attempting to recover from a deep sleep. If the vehicle does not begin charging, the vehicle will reenter deep sleep after 10 minutes.
- VCFRONT_a518 — LVBMS Fault MOS Open pack OV VCFRONT_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.
- VCFRONT_a519 — Left Headlamp Internal Error V2 VCFRONT_a519_leftHeadlampInternalErrorV2 An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT_a520 — Right Headlamp Internal Error V2 VCFRONT_a520_rightHeadlampInternalErrorV2 An internal condition affecting right headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT_a521 — Vcleft eFuse Load Shed VCFRONT_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…
- VCFRONT_a522 — Hibernation Active Log Capture VCFRONT_a522_hibernationActiveLogCapture Vehicle will enter deep sleep to conserve energy in 10 minutes. It is possible to wake the vehicle up within the next 10 minutes by pressing the trunk button or applying external voltage to the front trunk (frunk) access posts.
- VCFRONT_a523 — eFuse Thresholds Incorrect VCFRONT_a523_eFuseThresholdsIncorrect The eFuse application-specific integrated circuit (ASIC) on the vehicle controller has incorrect thresholds set.
- VCFRONT_a524 — Right Headlamp Aiming Fault VCFRONT_a524_rightHeadlampAimingFault Used for debugging why headlamp aiming state could not be entered
- VCFRONT_a525 — LV Battery SW Misconfiguration VCFRONT_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.
- VCFRONT_a526 — Pcba Over Temperature VCFRONT_a526_pcbaOverTemperature The vehicle controller printed circuit board assembly (PCBA), temperature is higher than expected
- VCFRONT_a527 — LV Battery Cell Imbalance VCFRONT_a527_LVBatteryCellImbalance The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance.
- VCFRONT_a528 — LV Battery Comms Discnctd VCFRONT_a528_LVBatteryCommsDiscnctd The low voltage (LV) battery is not communicating as expected, indicating a potential disconnection with the vehicle controller.
- VCFRONT_a529 — Discnctd Battery State Unknown VCFRONT_a529_discnctdBatteryStateUnknown The LV battery may or may not be connected to the vehicle controller
- VCFRONT_a530 — Sharp Current Rise VCFRONT_a530_sharpCurrentRise A large spike in the electrical current flowing into the low voltage (LV) electrical system is detected.
- VCFRONT_a531 — Low Power Index Flagged User Facing VCFRONT_a531_lowPowerIndexFlaggedUserFacing The compressor power index is lower than expected, which typically indicates a condition affecting the compressor. This can also indicate a condition affecting the discharge or suction pressure sensors. The compressor power index measures…
- VCFRONT_a532 — Gtw MIA In Drive VCFRONT_a532_gtwMIAInDrive One or more of the messages the vehicle controller receives periodically from the Gateway (GTW) is not received during a drive cycle, indicating the GTW may be unavailable (MIA).
- VCFRONT_a533 — T LVBMS Mosfet Over Temperature Fault VCFRONT_a533_TLVBMS_MosfetOverTemperatureFault The Low Voltage (LV) battery internal protection transistor (MOSFET) temperature is greater than the temperature limit.
- VCFRONT_a534 — Chiller Exv Calib Init Debug VCFRONT_a534_chillerExvCalibInitDebug The front vehicle controller (VCFRONT) detects the chiller exv has initialized.
- VCFRONT_a534 — Chiller Exv Not Nominal VCFRONT_a534_chillerExvNotNominal The chiller EXV's motor is unable to detect its endstop.
- VCFRONT_a535 — Evap Exv Calib Init Debug VCFRONT_a535_evapExvCalibInitDebug The front vehicle controller (VCFRONT) detects the evaporator exv has initialized.
- VCFRONT_a535 — Evap Exv Not Nominal VCFRONT_a535_evapExvNotNominal The evaporator EXV's motor is unable to detect its endstop.
- VCFRONT_a536 — Recirc Exv Calib Init Debug VCFRONT_a536_recircExvCalibInitDebug The front vehicle controller (VCFRONT) detects the recirculation exv has initialized.
- VCFRONT_a536 — Recirc Exv Not Nominal VCFRONT_a536_recircExvNotNominal The recirc EXV's motor is unable to detect its endstop.
- VCFRONT_a537 — Lcc Exv Calib Init Debug VCFRONT_a537_lccExvCalibInitDebug The front vehicle controller (VCFRONT) detects the liquid cooled condenser exv has initialized.
- VCFRONT_a537 — Lcc Exv Not Nominal VCFRONT_a537_lccExvNotNominal The LCC EXV's motor is unable to detect its endstop.
- VCFRONT_a538 — Ccl Exv Calib Init Debug VCFRONT_a538_cclExvCalibInitDebug The front vehicle controller (VCFRONT) detects the left cabin condenser exv has initialized.
- VCFRONT_a538 — Ccl Exv Not Nominal VCFRONT_a538_cclExvNotNominal The CCL EXV's motor is unable to detect its endstop.