Front vehicle controller alerts
Browse 444 VCFRONT alert codes and open an entry for its description and recorded conditions.
VCFRONT alert codes
Showing 351–400 of 444
- VCFRONT_a487 — Front OPC eFuse Fault VCFRONT_a487_frontOPCEFuseFault The front vehicle controller (VCFRONT) detects the front Oil Pump Controller (OPC) eFuse circuit has tripped (circuit opened), interrupting power supply to the front OPC. Powertrain performance may be limited.
- VCFRONT_a488 — Dif Voltage Mismatch VCFRONT_a488_difVoltageMismatch The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and front drive inverter (DIF) circuit.
- 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 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_a492 — Right Side Marker Light Fault VCFRONT_a492_rightSideMarkerLightFault The vehicle controller detects a condition affecting the right side marker light (amber light in front fascia). This alert is only relevant for Society of Automotive Engineers (SAE) vehicle variants.
- VCFRONT_a493 — Right Aux Park Light Fault VCFRONT_a493_rightAuxParkLightFault The vehicle controller detects a condition affecting the right auxiliary park light (white light pipe in front fascia).
- VCFRONT_a498 — PCS eFuse OVT Load Shed VCFRONT_a498_PCSEFuseOVTLoadShed The front vehicle controller (VCFRONT) detects the power conversion system (PCS) eFuse has exceeded 133 degrees C. The PCS eFuse circuit may open (trip) if low voltage (LV) electrical system loads are not reduced to 175A or less. VCFRONT i…
- 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 experienced an unexpected stall.
- VCFRONT_a503 — Louver Enterred Failsafe VCFRONT_a503_louverEnterredFailsafe The front louver is in the failsafe state and will no longer actuate. Cabin climate control system and powertrain performance may be limited.
- 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_a508 — Bridge eFuse Load Shed VCFRONT_a508_bridgeEFuseLoadShed Electrical current flowing through the Bridge eFuse has equaled or exceeded 120A. The Bridge eFuse circuit may open (trip) if low voltage (LV) electrical system loads are not reduced. The front vehicle controller (VCFRONT) is shedding some…
- 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_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_a520 — Indeterminate Switch Transition Detected Dbg VCFRONT_a520_indeterminateSwitchTransitionDetectedDbg Dev only: The vehicle controller detected a distinct change in both frunk switch voltages while one or both were out of nominal range.
- 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_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_a534 — Chiller Exv Calib Init Debug VCFRONT_a534_chillerExvCalibInitDebug The front vehicle controller (VCFRONT) detects the chiller exv has initialized.
- VCFRONT_a535 — Evap Exv Calib Init Debug VCFRONT_a535_evapExvCalibInitDebug The front vehicle controller (VCFRONT) detects the evaporator exv has initialized.
- VCFRONT_a536 — Recirc Exv Calib Init Debug VCFRONT_a536_recircExvCalibInitDebug The front vehicle controller (VCFRONT) detects the recirculation exv has initialized.
- VCFRONT_a537 — Lcc Exv Calib Init Debug VCFRONT_a537_lccExvCalibInitDebug The front vehicle controller (VCFRONT) detects the liquid cooled condenser exv has initialized.
- VCFRONT_a538 — Ccl Exv Calib Init Debug VCFRONT_a538_cclExvCalibInitDebug The front vehicle controller (VCFRONT) detects the left cabin condenser exv has initialized.
- VCFRONT_a539 — Ccr Exv Calib Init Debug VCFRONT_a539_ccrExvCalibInitDebug The front vehicle controller (VCFRONT) detects the right cabin condenser exv has initialized.
- 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_a542 — Refrigerant Reclaim VCFRONT_a542_refrigerantReclaim The vehicle controller detected that the refrigerant was being reclaimed. This alert is for logging only.
- VCFRONT_a543 — Compressor Low Flow Delivery Detected VCFRONT_a543_compressorLowFlowDeliveryDetected The vehicle controller detected that the compressor delivered much less refrigerant flow than nominal and discharge temperature was abnormally high.
- VCFRONT_a544 — Radiator Steam Detected VCFRONT_a544_radiatorSteamDetected The coolant system detects the current ambient and vehicle conditions are likely to cause water vapor to steam from the radiator.
- 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_a560 — Compressor High Superheat VCFRONT_a560_compressorHighSuperheat The vehicle controller detects a refrigerant condition, such as low refrigerant or a blocked refrigerator filter, which may prevent the A/C compressor from operating as expected due to high suction superheat if no other heat pump modes are…
- 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_a567 — Right Front Turn Light Fault VCFRONT_a567_rightFrontTurnLightFault A condition affecting right front turn signal functionality has been detected - the right front turn signal may be degraded or disabled, and remaining right side turn signals will fast blink
- 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
- VCFRONT_a570 — Headlamps Adapted To Left Hand Traffic VCFRONT_a570_headlampsAdaptedToLeftHandTraffic The vehicle controller(s) controlling the headlamps have commanded the headlights to adjust to a beam pattern that is optimized for left-hand traffic as the vehicle is now located in a region with left-hand traffic.
- VCFRONT_a571 — Headlamps Adapted To Right Hand Traffic VCFRONT_a571_headlampsAdaptedToRightHandTraffic The vehicle controller(s) controlling the headlamps have commanded the headlights to adjust to a beam pattern that is optimized for right-hand traffic as the vehicle is now located in a region with right-hand traffic.
- VCFRONT_a572 — Hvac Compressor eFuse Trip VCFRONT_a572_hvacCompressorEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the HVAC compressor power feed.
- VCFRONT_a573 — Radar eFuse Trip VCFRONT_a573_radarEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the radar power feed.
- VCFRONT_a574 — Front Drive Inverter eFuse Trip VCFRONT_a574_frontDriveInverterEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the front drive inverter (DIF) power feed.
- VCFRONT_a575 — Front Oil Pump eFuse Trip VCFRONT_a575_frontOilPumpEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the front oil pump power feed.