Front vehicle controller alerts

VCFRONT alert codes

Showing 551–600 of 689

• VCFRONT_a539 — Ccr Exv Calib Init Debug VCFRONT_a539_ccrExvCalibInitDebug The front vehicle controller (VCFRONT) detects the right cabin condenser exv has initialized.
• VCFRONT_a539 — Ccr Exv Not Nominal VCFRONT_a539_ccrExvNotNominal The CCR EXV's motor is unable to detect its endstop.
• VCFRONT_a540 — Radiator Steam Detected VCFRONT_a540_radiatorSteamDetected The coolant system detects the current ambient and vehicle conditions are likely to cause water vapor to steam from the radiator.
• VCFRONT_a541 — LV Battery Charge OC Level1 VCFRONT_a541_LVBatteryChargeOCLevel1 The low voltage battery management system (LVBMS) reports it has detected the charge current is above the maximum limit for the low voltage (LV) battery cells in their present condition.
• 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 — LV Battery Comms Bus Turned Off VCFRONT_a544_LVBatteryCommsBusTurnedOff The vehicle controller has disabled communications over the bus that connects to the low voltage (LV) battery after detecting a condition (or conditions) that may cause the LV battery to become overdischarged. To avoid overdischarge that c…
• 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_a546 — Left Low Or High Beam Light Condition VCFRONT_a546_leftLowOrHighBeamLightCondition A condition affecting left low beam (dipped beam) or high beam (main beam) functionality has been detected - the left low beam or high beam may be degraded or disabled.
• 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_a548 — HV Fault Load Shed VCFRONT_a548_HVFaultLoadShed The low voltage (LV) battery is discharging, even though high voltage (HV) system support has been requested. Vehicle loadshedding will occur, and a separate alert will be present to indicate that condition.
• VCFRONT_a549 — Left Headlamp Internal Error V3 VCFRONT_a549_leftHeadlampInternalErrorV3 The Left Headlight Control Module (HCML) detects an internal condition affecting the functionality of the left headlight, which is reported to the front vehicle controller (VCFRONT).
• VCFRONT_a550 — Ambient Temp Delta VCFRONT_a550_ambientTempDelta The vehicle controller printed circuit board assembly (PCBA) temperature is much higher than ambient temperature
• VCFRONT_a551 — Left Headlamp Soft Short VCFRONT_a551_leftHeadlampSoftShort Left headlamp powered off due to a short circuit detected on the left headlamp power rail
• VCFRONT_a552 — eFuse Self Test Failure VCFRONT_a552_eFuseSelfTestFailure The front vehicle controller has detected a problem during an eFuse self-test
• VCFRONT_a553 — Right Headlamp Soft Short VCFRONT_a553_rightHeadlampSoftShort Right headlamp powered off due to a short circuit detected on the right headlamp power rail
• VCFRONT_a555 — LV Battery Cell Rebalancing VCFRONT_a555_LVBatteryCellRebalancing The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance and is attempting to rebalance the cell voltages. The vehicle will be kept awake to support the LV battery until th…
• VCFRONT_a556 — False Trigger Of Discnctd Battery Test VCFRONT_a556_falseTriggerOfDiscnctdBatteryTest The disconnected battery test was triggered falsely.
• VCFRONT_a557 — Right Headlamp Internal Error V3 VCFRONT_a557_rightHeadlampInternalErrorV3 The Right Headlight Control Module (HCMR) detects an internal condition affecting the functionality of the right headlight, which is reported to the front vehicle controller (VCFRONT).
• VCFRONT_a558 — Right Headlamp Aiming Debug VCFRONT_a558_rightHeadlampAimingDebug Used for headlamp aiming debug data collection.
• VCFRONT_a559 — LV Battery Low SOC VCFRONT_a559_LVBatteryLowSOC The low voltage battery management system (LVBMS) reports the low voltage (LV) battery has a reduced state of charge (SOC), which may lead to the LVBMS opening the LV battery internal protection transistor (MOSFET).
• 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_a561 — LVBMS eFuse Overtemperature VCFRONT_a561_LVBMSEFuseOvertemperature The Low Voltage Battery Management System (LVBMS) detects high temperature at the low voltage (LV) battery MOSFET (internal protection transistor).
• VCFRONT_a562 — LVBMS Module Overtemperature VCFRONT_a562_LVBMSModuleOvertemperature The Low Voltage Battery Management System (LVBMS) detects that the low voltage (LV) battery pack is experiencing high temperatures.
• VCFRONT_a563 — Charge Port Door Open Blocked By Brake VCFRONT_a563_chargePortDoorOpenBlockedByBrake Charge Port door open request not honored because brake is pressed.
• VCFRONT_a564 — Left Headlamp Aiming Debug VCFRONT_a564_leftHeadlampAimingDebug Used for headlamp aiming debug data collection.
• 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_a566 — Left Front Turn Light Fault VCFRONT_a566_leftFrontTurnLightFault A condition affecting left front turn signal functionality has been detected - the left front turn signal may be degraded or disabled, and remaining left side turn signals will fast blink
• 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_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
• 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.
• VCFRONT_a576 — Mcu Logic eFuse Trip VCFRONT_a576_mcuLogicEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the media control unit (MCU) logic power feed.
• VCFRONT_a577 — Tas eFuse Trip VCFRONT_a577_tasEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the Tesla Air Suspension (TAS) power feed.
• VCFRONT_a578 — Vbat Fused Low Current Feed eFuse Trip VCFRONT_a578_vbatFusedLowCurrentFeedEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the vehicle battery (VBAT) fused low current circuit.
• VCFRONT_a579 — Left Headlight eFuse Trip VCFRONT_a579_leftHeadlightEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the left headlight power feed.
• VCFRONT_a580 — Right Headlight eFuse Trip VCFRONT_a580_rightHeadlightEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the right headlight power feed.
• VCFRONT_a581 — Windshield Wiper eFuse Trip VCFRONT_a581_windshieldWiperEFuseTrip The front vehicle controller (VCFRONT) detects an eFuse overcurrent event (or a trip) on the windshield wiper power feed.
• VCFRONT_a582 — Good For PCS Power Cycle VCFRONT_a582_goodForPCSPowerCycle The vehicle controller (VC) identified the PCS is MIA and may be in need of a power cycle to be recovered. This alert indicates the low voltage (LV) battery is in good state to support this.
• VCFRONT_a583 — Frunk Switch Group Disagreement Debug VCFRONT_a583_frunkSwitchGroupDisagreementDebug Tracks when and how frequently the frunk switch group algorithm disagrees with the currently used frunk switch algorithm
• VCFRONT_a583 — Frunk Switch Group Ref Disagree DBG VCFRONT_a583_frunkSwitchGroupRefDisagreeDBG Tracks when and how frequently the frunk switch group algorithm disagrees with the currently used frunk switch algorithm
• VCFRONT_a584 — Frunk Switch Group Debug VCFRONT_a584_frunkSwitchGroupDebug For understanding fault set conditions and evaluating the revised frunk switch group processing algorithm
• VCFRONT_a585 — Both Headlamps Internal Error VCFRONT_a585_bothHeadlampsInternalError Left and right headlamps report simultaneous matrix manager, LED, High Side Driver (HSD), or Boolean status errors indicating a condition affecting functionality of both headlamps.
• VCFRONT_a586 — Right Low Or High Beam Light Condition VCFRONT_a586_rightLowOrHighBeamLightCondition A condition affecting right low beam (dipped beam) or high beam (main beam) functionality has been detected - the right low beam or high beam may be degraded or disabled.
• VCFRONT_a587 — External LV Power Supply VCFRONT_a587_externalLVPowerSupply An external low voltage power supply is detected. LVBMS_packCurrent and IBSCurrent reading are significantly different.