Front vehicle controller alerts
Browse 266 VCFRONT2 alert codes and open an entry for its description and recorded conditions.
VCFRONT2 alert codes
Showing 151–200 of 266
- VCFRONT2_a378 — Wiper ECU Debug VCFRONT2_a378_wiperECUDebug Collect debug information related to the wiper ECU
- VCFRONT2_a380 — Chiller Exv Warning VCFRONT2_a380_chillerExvWarning The chiller EXV's motor driver has reported a warning.
- VCFRONT2_a381 — Evaporator Exv Warning VCFRONT2_a381_evaporatorExvWarning The evaporator EXV's motor driver has reported a warning.
- VCFRONT2_a382 — Recirc Exv Warning VCFRONT2_a382_recircExvWarning The recirc EXV's motor driver has reported a warning.
- VCFRONT2_a383 — Lcc Exv Warning VCFRONT2_a383_lccExvWarning The liquid cooled condenser EXV's motor driver has reported a warning.
- VCFRONT2_a384 — Cc Left Exv Warning VCFRONT2_a384_ccLeftExvWarning The left cabin condenser EXV's motor driver has reported a warning.
- VCFRONT2_a385 — Cc Right Exv Warning VCFRONT2_a385_ccRightExvWarning The right cabin condenser EXV's motor driver has reported a warning.
- VCFRONT2_a386 — Exv Motor Warning VCFRONT2_a386_exvMotorWarning The chiller EXV's motor driver has reported a warning.
- VCFRONT2_a393 — Ambient Temp Network Sna VCFRONT2_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.
- VCFRONT2_a394 — Pressure Sensor Check Fault VCFRONT2_a394_pressureSensorCheckFault One or more of the refrigerant pressure sensors is faulted
- VCFRONT2_a395 — Pressure Sensor Check Inconclusive VCFRONT2_a395_pressureSensorCheckInconclusive Refrigerant pressure sensor check did not pass or fail
- VCFRONT2_a396 — Coolant Level Low User Facing VCFRONT2_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).
- VCFRONT2_a397 — Temperature Sensor Check Fault VCFRONT2_a397_temperatureSensorCheckFault One or more of the refrigerant temperature sensors is faulted
- VCFRONT2_a398 — Temp Sensor Check Inconclusive VCFRONT2_a398_tempSensorCheckInconclusive Refrigerant temperature sensor check did not pass or fail
- VCFRONT2_a409 — Invalid Configuration VCFRONT2_a409_invalidConfiguration The front vehicle controller (VCFRONT) detects an invalid coolant pump configuration. Powertrain thermal management and performance may be limited.
- VCFRONT2_a420 — Holiday Party VCFRONT2_a420_holidayParty Holiday party light show has been run
- VCFRONT2_a421 — Left Headlamp Uart Condition VCFRONT2_a421_leftHeadlampUartCondition A condition affecting the left headlamp UART communication has been detected.
- VCFRONT2_a423 — Rtos Sleep Failed VCFRONT2_a423_rtosSleepFailed Indicates microcontroller core did not enter its low power mode.
- VCFRONT2_a446 — Cabin HVAC Unavailable Context VCFRONT2_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.
- VCFRONT2_a447 — Cabin HVAC Unavailable VCFRONT2_a447_cabinHVACUnavailable The vehicle controller detects a condition(s) affecting the Thermal Management System that prevents it from performing as designed.
- VCFRONT2_a451 — Refrigerant Not Commissioned VCFRONT2_a451_refrigerantNotCommissioned The refrigerant system has not been commissioned or has been decommissioned by the Thermal Fill Drain service routine.
- VCFRONT2_a452 — Discharge Pres Sens Intermittent VCFRONT2_a452_dischargePresSensIntermittent The refrigerant discharge pressure sensor signal is intermittent
- VCFRONT2_a453 — Discharge Temp Sens Intermittent VCFRONT2_a453_dischargeTempSensIntermittent The refrigerant discharge temperature sensor signal is intermittent
- VCFRONT2_a454 — Suction Pres Sens Intermittent VCFRONT2_a454_suctionPresSensIntermittent The refrigerant suction pressure sensor signal is intermittent
- VCFRONT2_a455 — Suction Temp Sens Intermittent VCFRONT2_a455_suctionTempSensIntermittent The refrigerant suction temperature sensor signal is intermittent
- VCFRONT2_a456 — Liquid Pres Sens Intermittent VCFRONT2_a456_liquidPresSensIntermittent The refrigerant liquid pressure sensor signal is intermittent
- VCFRONT2_a457 — Liquid Temp Sens Intermittent VCFRONT2_a457_liquidTempSensIntermittent The refrigerant liquid temperature sensor signal is intermittent
- VCFRONT2_a458 — Grossly Low Refrigerant VCFRONT2_a458_grosslyLowRefrigerant Refrigerant pressures have been detected as too low for the current temperature
- VCFRONT2_a459 — Thermal Fill And Drive VCFRONT2_a459_thermalFillAndDrive The vehicle controller detects that the Thermal Fill Drain service routine is being run while the vehicle is in Drive.
- VCFRONT2_a460 — Hard Isentropic Td Failed VCFRONT2_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.
- VCFRONT2_a464 — High Flow Index High Subcool Flagged VCFRONT2_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…
- VCFRONT2_a465 — Low Flow Index High Subcool Flagged VCFRONT2_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.
- VCFRONT2_a466 — High Flow Index Low Subcool Flagged VCFRONT2_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…
- VCFRONT2_a467 — Low Power Index Flagged VCFRONT2_a467_lowPowerIndexFlagged The vehicle controller detects the actual A/C compressor power is lower than expected.
- VCFRONT2_a468 — High Power Index Flagged VCFRONT2_a468_highPowerIndexFlagged Actual compressor power is lower than expected, as measured by the compressor power index.
- VCFRONT2_a469 — Prv Pop Detected VCFRONT2_a469_prvPopDetected The compressor or discharge lines may have a possible blockage
- VCFRONT2_a470 — Implausible Pd Pl Detected VCFRONT2_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.
- VCFRONT2_a471 — Hcm5 Debug VCFRONT2_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.
- VCFRONT2_a474 — Left Headlamp Internal Error VCFRONT2_a474_leftHeadlampInternalError An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT2_a489 — Valve Stuck Flagged VCFRONT2_a489_ValveStuckFlagged EXV/SOV opening is different from commanded
- VCFRONT2_a490 — Coolant Pumps Not Identified VCFRONT2_a490_coolantPumpsNotIdentified The front vehicle controller (VCFRONT) detects at least one coolant pump has not been identified and configured.
- VCFRONT2_a499 — Load Shed Pump Flow Request VCFRONT2_a499_loadShedPumpFlowRequest Vehicle is running pumps during loadshed due to the HVBMS being hot
- VCFRONT2_a504 — Air In Refrigerant Detected VCFRONT2_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.
- VCFRONT2_a506 — Invalid Refrigerant System Config VCFRONT2_a506_invalidRefrigerantSystemConfig The refrigerant loop devices may not work as expected.
- VCFRONT2_a507 — Left Headlamp Aiming Fault VCFRONT2_a507_leftHeadlampAimingFault Used for debugging why headlamp aiming state could not be entered
- VCFRONT2_a511 — DCDC Saturation Load Shed VCFRONT2_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…
- VCFRONT2_a519 — Left Headlamp Internal Error V2 VCFRONT2_a519_leftHeadlampInternalErrorV2 An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
- VCFRONT2_a531 — Low Power Index Flagged User Facing VCFRONT2_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…
- VCFRONT2_a534 — Chiller Exv Calib Init Debug VCFRONT2_a534_chillerExvCalibInitDebug The front vehicle controller (VCFRONT) detects the chiller exv has initialized.
- VCFRONT2_a535 — Evap Exv Calib Init Debug VCFRONT2_a535_evapExvCalibInitDebug The front vehicle controller (VCFRONT) detects the evaporator exv has initialized.