Front vehicle controller alerts

VCFRONT alert codes

Showing 301–350 of 365

• VCFRONT_a458 — Grossly Low Refrigerant VCFRONT_a458_grosslyLowRefrigerant Refrigerant pressures have been detected as too low for the current temperature
• 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 Discrepancy between compressor and EXV estimated refrigerant flow rates
• 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 Discrepancy between compressor and EXV estimated refrigerant flow rates
• 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_a472 — Headlamp Aiming Debug VCFRONT_a472_headlampAimingDebug Used for headlamp leveling debug data collection.
• VCFRONT_a473 — Three Way Valve Fault VCFRONT_a473_threeWayValveFault The three way valve has has faulted. See payload for reason.
• VCFRONT_a477 — Dif eFuse Fault VCFRONT_a477_difEFuseFault The front vehicle controller has opened the voltage supply circuit to the front drive inverter ECU.
• VCFRONT_a480 — Vnf1048 Fault VCFRONT_a480_vnf1048Fault Unexpected fault in 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 There is a greater than 0.5V drop between input power to the front vehicle controller and the LV Briddge circuit.
• VCFRONT_a484 — Steering Feedback eFuse Trip VCFRONT_a484_steeringFeedbackEFuseTrip The front vehicle controller has opened the voltage supply circuit to the Steering Feedback.
• VCFRONT_a485 — Steering Feedback Voltage Mismatch VCFRONT_a485_steeringFeedbackVoltageMismatch There is a greater than 0.5V drop between input power to the front vehicle controller and the 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.
• VCFRONT_a487 — Front OPC eFuse Fault VCFRONT_a487_frontOPCEFuseFault The Front Oil Pump Controller eFuse has tripped.
• VCFRONT_a488 — Dif Voltage Mismatch VCFRONT_a488_difVoltageMismatch There is a greater than 0.5V drop between input power to the front vehicle controller and the front drive inverter circuit.
• VCFRONT_a490 — Coolant Pumps Not Identified VCFRONT_a490_coolantPumpsNotIdentified At least one coolant pump hasn't been identified and configured, the coolant loop NVH and/or performance may deteriorate.
• VCFRONT_a491 — Right Side Marker Aux Park Light Fault VCFRONT_a491_rightSideMarkerAuxParkLightFault The vehicle controller detects a condition affecting the the right side marker (amber light in front fascia) and right side auxiliary park (white light pipe in front fascia) lights.
• VCFRONT_a498 — PCS eFuse OVT Load Shed VCFRONT_a498_PCSEFuseOVTLoadShed The PCS EFuse reached 133degC and is at danger of tripping if LV loads are not throttled below 175A
• 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 — Louver Unexpected Stall VCFRONT_a502_louverUnexpectedStall The front louver is broken and should be replaced. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
• VCFRONT_a503 — Louver Enterred Failsafe VCFRONT_a503_louverEnterredFailsafe The front louver is in the failsafe state and will no longer actuate. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
• 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_a508 — Bridge eFuse Load Shed VCFRONT_a508_bridgeEFuseLoadShed The Bridge EFuse current reached 120A and is at danger of tripping the EFuse if LV loads are not decreased
• VCFRONT_a509 — Vcright eFuse Load Shed VCFRONT_a509_vcrightEFuseLoadShed The right vehicle controller (VCRIGHT) EFuse current has reached 100A and may trip the EFuse if low voltage electrical system (LV system) loads are not reduced. The vehicle's LV system needs to shed electrical loads by cutting power to som…
• VCFRONT_a511 — DCDC Saturation Load Shed VCFRONT_a511_DCDCSaturationLoadShed The PCS EFuse current is reaching the DCDC's max capability
• VCFRONT_a523 — eFuse Thresholds Incorrect VCFRONT_a523_eFuseThresholdsIncorrect The eFuse application-specific integrated circuit (ASIC) on the vehicle controller has incorrect thresholds set.
• 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_a534 — Chiller Exv Not Nominal VCFRONT_a534_chillerExvNotNominal The chiller EXV's motor is unable to detect its endstop.
• VCFRONT_a535 — Evap Exv Not Nominal VCFRONT_a535_evapExvNotNominal The evaporator EXV's motor is unable to detect its endstop.
• VCFRONT_a536 — Recirc Exv Not Nominal VCFRONT_a536_recircExvNotNominal The recirc EXV's motor is unable to detect its endstop.
• VCFRONT_a537 — Lcc Exv Not Nominal VCFRONT_a537_lccExvNotNominal The LCC EXV's motor is unable to detect its endstop.
• VCFRONT_a538 — Ccl Exv Not Nominal VCFRONT_a538_cclExvNotNominal The CCL EXV's motor is unable to detect its endstop.
• VCFRONT_a539 — Ccr Exv Not Nominal VCFRONT_a539_ccrExvNotNominal The CCR EXV's motor is unable to detect its endstop.
• VCFRONT_a540 — Right Fog Light Guide Light Fault VCFRONT_a540_rightFogLightGuideLightFault An electrical error has been detected with the right fog light guide (white light pipe in front fascia that turns on along with fog light).
• VCFRONT_a545 — LV Battery Type Unknown VCFRONT_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.
• VCFRONT_a547 — Post Crash Load Shed VCFRONT_a547_postCrashLoadShed The vehicle controller is loadshedding due to a vehicle collision. Make sure the vehicle is safe to re-energize before using the Clear Post-Crash Loadshedding (PROC_VCFRONT_X_CLEAR-POST-CRASH-LOADSHEDDING) routine to resume all low voltage…
• VCFRONT_a549 — Force Hard Autopilot Load Shed VCFRONT_a549_forceHardAutopilotLoadShed AP1 and AP2 have not reached the desired low power state within the allowed time during loadshed. Forcing power off of autopilots to preserve LV battery energy.
• VCFRONT_a550 — Ambient Temp Delta VCFRONT_a550_ambientTempDelta The vehicle controller printed circuit board assembly (PCBA) temperature is much higher than ambient temperature
• VCFRONT_a557 — Self Tests Blocking Drive VCFRONT_a557_selfTestsBlockingDrive Low Voltage hardware self-tests in progress, drive is blocked until complete.
• VCFRONT_a563 — Charge Port Door Open Blocked By Brake VCFRONT_a563_chargePortDoorOpenBlockedByBrake Charge Port door open request not honored because brake is pressed.
• VCFRONT_a565 — User Presence Display State Mismatch VCFRONT_a565_userPresenceDisplayStateMismatch There is a discrepancy between the vehicle controller's notion of User Presence state and the UI's notion (as indicated by the UI_displayOnForUser signal).
• VCFRONT_a568 — Left Daytime Running Light Fault VCFRONT_a568_leftDaytimeRunningLightFault A condition affecting left daytime running light (DRL) functionality has been detected - the left daytime running light may be degraded or disabled
• VCFRONT_a569 — Right Daytime Running Light Fault VCFRONT_a569_rightDaytimeRunningLightFault A condition affecting right daytime running light (DRL) functionality has been detected - the right daytime running light may be degraded or disabled