Front vehicle controller alerts
Browse 689 VCFRONT alert codes and open an entry for its description and recorded conditions.
VCFRONT alert codes
Showing 451–500 of 689
- VCFRONT_a448 — Gtw Steering Btn Reset VCFRONT_a448_gtwSteeringBtnReset Gateway has been reset from the steering wheel buttons
- VCFRONT_a449 — Horn Switch Stuck On VCFRONT_a449_hornSwitchStuckOn The steering wheel horn switch is stuck on
- VCFRONT_a450 — Horn Switch Not Pressed Factory VCFRONT_a450_hornSwitchNotPressedFactory The steering wheel horn switch has not been pressed while the vehicle is in factory mode
- VCFRONT_a451 — Refrigerant Not Commissioned VCFRONT_a451_refrigerantNotCommissioned The refrigerant system has not been commissioned or has been decommissioned by the Thermal Fill Drain service routine.
- VCFRONT_a452 — Discharge Pres Sens Intermittent VCFRONT_a452_dischargePresSensIntermittent The refrigerant discharge pressure sensor signal is intermittent
- VCFRONT_a453 — Discharge Temp Sens Intermittent VCFRONT_a453_dischargeTempSensIntermittent The refrigerant discharge temperature sensor signal is intermittent
- VCFRONT_a454 — Suction Pres Sens Intermittent VCFRONT_a454_suctionPresSensIntermittent The refrigerant suction pressure sensor signal is intermittent
- VCFRONT_a455 — Suction Temp Sens Intermittent VCFRONT_a455_suctionTempSensIntermittent The refrigerant suction temperature sensor signal is intermittent
- VCFRONT_a456 — Liquid Pres Sens Intermittent VCFRONT_a456_liquidPresSensIntermittent The refrigerant liquid pressure sensor signal is intermittent
- VCFRONT_a457 — Liquid Temp Sens Intermittent VCFRONT_a457_liquidTempSensIntermittent The refrigerant liquid temperature sensor signal is intermittent
- VCFRONT_a458 — Grossly Low Refrigerant VCFRONT_a458_grosslyLowRefrigerant Refrigerant pressures have been detected as too low for the current temperature
- VCFRONT_a459 — Thermal Fill And Drive VCFRONT_a459_thermalFillAndDrive The vehicle controller detects that the Thermal Fill Drain service routine is being run while the vehicle is in Drive.
- VCFRONT_a460 — Hard Isentropic Td Failed VCFRONT_a460_hardIsentropicTdFailed The vehicle controller detects the isentropic check for the refrigerant discharge temperature (TD) is unsuccessful, indicating the A/C compressor mass flow rate is below the expected level.
- VCFRONT_a461 — Headlamp Aiming Debug v2 VCFRONT_a461_headlampAimingDebug_v2 Used for headlamp aiming debug data collection.
- VCFRONT_a461 — T LVBMS Soc High Ah Error VCFRONT_a461_TLVBMS_SocHighAhError An SocByAh saturation of >3% occurred while SOC saturation was active
- VCFRONT_a462 — LVBMS Fault VCFRONT_a462_LVBMSFault The low voltage battery management system (LVBMS) reports a condition affecting the low voltage (LV) battery or the ability of the LVBMS to manage the LV battery. May result in LV battery damage or loss of LV battery support for vehicle el…
- VCFRONT_a463 — Frunk Sensor Service VCFRONT_a463_frunkSensorService The vehicle controller detects the front trunk (also known as the frunk) sensor requires service as a condition affecting functionality has been detected on one or more of the frunk latch switches.
- VCFRONT_a464 — High Flow Index High Subcool Flagged VCFRONT_a464_highFlowIndexHighSubcoolFlagged The vehicle controller detects a discrepancy in the estimated refrigerant flow rates between the A/C compressor and recirculation electronic expansion valve (EXV) as the estimated refrigerant flow index is higher than expected while the su…
- VCFRONT_a465 — Low Flow Index High Subcool Flagged VCFRONT_a465_lowFlowIndexHighSubcoolFlagged The flow index value is low at high subcool. The refrigerant flow rate through the electronic expansion valves (EXV) is not meeting the expected value when compared to the compressor refrigerant flow rate.
- VCFRONT_a466 — High Flow Index Low Subcool Flagged VCFRONT_a466_highFlowIndexLowSubcoolFlagged The vehicle controller detects a discrepancy in the estimated refrigerant flow rates between the A/C compressor and recirculation electronic expansion valve (EXV) as the estimated refrigerant flow index is higher than expected while the su…
- VCFRONT_a467 — Low Power Index Flagged VCFRONT_a467_lowPowerIndexFlagged The vehicle controller detects the actual A/C compressor power is lower than expected.
- VCFRONT_a468 — High Power Index Flagged VCFRONT_a468_highPowerIndexFlagged Actual compressor power is lower than expected, as measured by the compressor power index.
- VCFRONT_a469 — Prv Pop Detected VCFRONT_a469_prvPopDetected The compressor or discharge lines may have a possible blockage
- VCFRONT_a470 — Implausible Pd Pl Detected VCFRONT_a470_implausiblePdPlDetected Difference between the discharge pressure and liquid pressure (Pd-Pl) increased. Discharge lines or Liquid Cooled Condenser (LCC) or Shut Off Valve (SOV) may be blocked.
- VCFRONT_a471 — Hcm5 Debug VCFRONT_a471_hcm5Debug The headlamps are expected to progress through their lifecycle states (calibration, etc.) within a prescribed time, this alert will trigger if any of the lifecycle states takes longer to progress than expected.
- VCFRONT_a472 — Headlamp Aiming Debug VCFRONT_a472_headlampAimingDebug Used for headlamp leveling debug data collection.
- VCFRONT_a472 — Left Headlamp Range Update VCFRONT_a472_leftHeadlampRangeUpdate Used for headlamp leveling debug data collection.
- VCFRONT_a473 — Right Headlamp Range Update VCFRONT_a473_rightHeadlampRangeUpdate Used for headlamp leveling debug data collection.
- VCFRONT_a474 — Left Headlamp Internal Error VCFRONT_a474_leftHeadlampInternalError An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT_a475 — Right Headlamp Internal Error VCFRONT_a475_rightHeadlampInternalError An internal condition affecting right headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT_a476 — LVBMS MIA VCFRONT_a476_LVBMSMIA One or more of the messages the vehicle controller receives periodically from the Low Voltage Battery Management System (LVBMS) is not received, indicating the LVBMS may be unavailable (MIA).
- VCFRONT_a477 — LV Battery Unrecoverable VCFRONT_a477_LVBatteryUnrecoverable The low voltage battery management system (LVBMS) reports the low voltage (LV) battery is not recoverable. Indicates the LV battery is electrically disconnected from the rest of the electrical system via internal protection transistor (MOS…
- VCFRONT_a477 — LV Battery Unrecoverable By Vehicle VCFRONT_a477_LVBatteryUnrecoverableByVehicle The low voltage battery management system (LVBMS) reports the low voltage (LV) battery's internal protection transistor (MOSFET) has opened and it is not recoverable by the vehicle. However, the LV battery may be recoverable using an exter…
- VCFRONT_a478 — LVBMS MOSFET Open VCFRONT_a478_LVBMS_MOSFET_Open The low voltage battery management system (LVBMS) has opened the low voltage (LV) battery's internal protection transistor (MOSFET), disconnecting the LV battery from the rest of the vehicle electrical systems.
- VCFRONT_a479 — LVBMS ECPA Not Closed VCFRONT_a479_LVBMS_ECPA_NotClosed The low voltage battery management system (LVBMS) is reporting the low voltage (LV) battery's electronic connector position assurance (E-CPA) is not secure, which could result in the LV battery becoming disconnected from the rest of the ve…
- VCFRONT_a480 — Vnf1048 Fault VCFRONT_a480_vnf1048Fault There is an unexpected condition affecting a VNF1048 chip.
- VCFRONT_a481 — Vnf1048 Self Test Failure VCFRONT_a481_vnf1048SelfTestFailure VNF1048 self-test failed
- VCFRONT_a482 — Right Headlamp Migration Debug VCFRONT_a482_rightHeadlampMigrationDebug Used for headlamp migration debug data collection.
- VCFRONT_a483 — Left Headlamp Stepper Motor Fault VCFRONT_a483_leftHeadlampStepperMotorFault Used for headlamp migration debug data collection.
- VCFRONT_a484 — Headlamp Leveling Ride Height Debug VCFRONT_a484_headlampLevelingRideHeightDebug Used for headlamp leveling debug data collection.
- VCFRONT_a485 — Left Headlamp Migration Debug VCFRONT_a485_leftHeadlampMigrationDebug Used for headlamp migration debug data collection.
- VCFRONT_a486 — Mcu Graphics eFuse Fault VCFRONT_a486_mcuGraphicsEFuseFault The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the media control unit (MCU) discrete graphics processing unit (dGPU) high side driver.
- VCFRONT_a487 — Left Headlamp Last Position Update VCFRONT_a487_leftHeadlampLastPositionUpdate Used for headlamp leveling debug data collection.
- VCFRONT_a488 — Right Headlamp Stepper Motor Fault VCFRONT_a488_rightHeadlampStepperMotorFault Used for headlamp migration debug data collection.
- VCFRONT_a489 — Valve Stuck Flagged VCFRONT_a489_ValveStuckFlagged EXV/SOV opening is different from commanded
- VCFRONT_a490 — Coolant Pumps Not Identified VCFRONT_a490_coolantPumpsNotIdentified The front vehicle controller (VCFRONT) detects at least one coolant pump has not been identified and configured.
- VCFRONT_a491 — Right Headlamp Last Position Update VCFRONT_a491_rightHeadlampLastPositionUpdate Used for headlamp leveling debug data collection.
- VCFRONT_a492 — T LVBMS Soc Imbalance VCFRONT_a492_TLVBMS_SocImbalance max - min brickSoc > SOC_IMBALANCE_ALERT_SET_THRESHOLD
- VCFRONT_a493 — T LVBMS Soc Imbalance Warning VCFRONT_a493_TLVBMS_SocImbalanceWarning This alert is an early warning for a Low Voltage (LV) battery State of Charge (SOC) imbalance. This alert sets with a lower threshold than SocImbalance.
- VCFRONT_a494 — 12 V Battery Temp Blocking OTA VCFRONT_a494_12VBatteryTempBlockingOTA 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.