Front vehicle controller alerts
Browse 444 VCFRONT alert codes and open an entry for its description and recorded conditions.
VCFRONT alert codes
Showing 301–350 of 444
- VCFRONT_a386 — Exv Motor Warning VCFRONT_a386_exvMotorWarning The chiller EXV's motor driver has reported a warning.
- VCFRONT_a389 — Frunk Inhibiting Release At Speed VCFRONT_a389_frunkInhibitingReleaseAtSpeed The front vehicle controller (VCFRONT) is inhibiting requests from the front trunk (or frunk) emergency release button while the vehicle is in motion due to unexpected frunk latch state transitions or conditions.
- VCFRONT_a390 — Heat Pump Mode Convergence VCFRONT_a390_heatPumpModeConvergence The Heat Pump mode selection cycle didn't converge for a specific load type.
- VCFRONT_a391 — Frunk Latch Switch Fault VCFRONT_a391_frunkLatchSwitchFault Unexpected front trunk (frunk) latch switch values are present, which may result in the frunk state not matching the state indicated in the touchscreen user interface (UI).
- VCFRONT_a392 — Air Comp Output Stuck On VCFRONT_a392_airCompOutputStuckOn The vehicle controller detects output voltage from the air compressor for the air suspension system when none is expected. The vehicle controller's fused high current eFuse circuit will be used to deenergize the air compressor.
- VCFRONT_a393 — Ambient Temp Network Sna VCFRONT_a393_ambientTempNetworkSna The raw ambient temperature sensor signal from VCRIGHT is not available on CAN. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
- VCFRONT_a394 — Pressure Sensor Check Fault VCFRONT_a394_pressureSensorCheckFault One or more of the refrigerant pressure sensors is faulted
- VCFRONT_a395 — Pressure Sensor Check Inconclusive VCFRONT_a395_pressureSensorCheckInconclusive Refrigerant pressure sensor check did not pass or fail
- VCFRONT_a396 — Coolant Level Low User Facing VCFRONT_a396_coolantLevelLowUserFacing The front vehicle controller (VCFRONT) detects the coolant level sensor is reporting low coolant or the coolant sensor is experiencing an electrical condition (short or disconnect).
- VCFRONT_a397 — Temperature Sensor Check Fault VCFRONT_a397_temperatureSensorCheckFault One or more of the refrigerant temperature sensors is faulted
- VCFRONT_a398 — Temp Sensor Check Inconclusive VCFRONT_a398_tempSensorCheckInconclusive Refrigerant temperature sensor check did not pass or fail
- VCFRONT_a399 — Frunk Never Reported Open VCFRONT_a399_frunkNeverReportedOpen The front trunk latch switches have never simultaneously reported an unpressed state. Alert state persists through vehicle sleep.
- VCFRONT_a409 — Invalid Configuration VCFRONT_a409_invalidConfiguration The front vehicle controller (VCFRONT) detects an invalid coolant pump configuration. Powertrain thermal management and performance may be limited. A VCFRONT reset will typically clear the alert by correctly configuring the pump.
- VCFRONT_a420 — Holiday Party VCFRONT_a420_holidayParty Holiday party light show has been run
- VCFRONT_a444 — Drv8703 Fault VCFRONT_a444_drv8703Fault The bridge gate driver experienced a condition affecting its operation.
- VCFRONT_a445 — Drv8703 Spi Fault DBG VCFRONT_a445_drv8703SpiFaultDBG DRV8703 bridge driver SPI data is unexpected
- VCFRONT_a446 — Cabin HVAC Unavailable Context VCFRONT_a446_cabinHVACUnavailableContext Condition(s) affecting the thermal management system have reduced cabin heating and/or cooling performance or made cabin heating and/or cooling unavailable.
- VCFRONT_a447 — Cabin HVAC Unavailable VCFRONT_a447_cabinHVACUnavailable The vehicle controller detects a condition(s) affecting the Thermal Management System that prevents it from performing as designed.
- 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_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 — Emergency Frunk Button Press Ignored VCFRONT_a471_emergencyFrunkButtonPressIgnored Frunk interior emergency release button press has been detected, but the frunk was not opened because vehicle was in motion.
- VCFRONT_a473 — Three Way Valve Fault VCFRONT_a473_threeWayValveFault The front vehicle controller (VCFRONT) detects the three-way valve has encountered a condition preventing it from performing as designed.
- 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_a477 — Dif eFuse Fault VCFRONT_a477_difEFuseFault The front vehicle controller (VCFRONT) detects the front drive inverter (DIF) eFuse has tripped (circuit opened), interrupting electrical power supply to the DIF. Powertrain performance may be limited.
- 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 — Lv Bridge eFuse Trip VCFRONT_a482_lvBridgeEFuseTrip The front vehicle controller (VCFRONT) has opened the voltage supply circuit to the LV Bridge, making the low voltage (LV) battery no longer supported by the power conversion system (PCS). If the PCS is no longer providing support to VCFRO…
- VCFRONT_a483 — Lv Bridge Voltage Mismatch VCFRONT_a483_lvBridgeVoltageMismatch The vehicle controller detects there is voltage mismatch greater than 0.5V between the input power to the front vehicle controller (VCFRONT) and low voltage (LV) bridge circuit.
- VCFRONT_a484 — Steering Feedback eFuse Trip VCFRONT_a484_steeringFeedbackEFuseTrip The front vehicle controller (VCFRONT) detects the steering feedback eFuse application-specific integrated circuit (ASIC) has tripped (circuit opened), interrupting electrical power supply to the steering feedback system. Power steering pe…
- VCFRONT_a485 — Steering Feedback Voltage Mismatch VCFRONT_a485_steeringFeedbackVoltageMismatch The vehicle controller detects there is voltage mismatch greater than 0.5V between the input power to the front vehicle controller (VCFRONT) and steering feedback circuit.
- 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.