Alerts
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| Signal Name | Description | Condition | Impact |
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A Low Voltage (LV) battery pack brick voltage is above the over voltage limit for an extended time period.
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A battery pack brick voltage is greater than the over voltage limit for an extended time period.
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Vehicle may be unable to drive.
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The front vehicle controller (VCFRONT) detects the three-way valve has encountered a condition preventing it from performing as designed.
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The three-way valve encounters a condition preventing it from performing as designed. Alert log signal data should provide more information on the specific condition(s) detected.
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Vehicle functions that rely on the three-way valve may be limited or unavailable.
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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.
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Pd-Pl is greater than 6 bar for 5 consecutive seconds.
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Thermal performance is degraded.
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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.
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The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.
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Vehicle functions that depend on the LV bridge may be unavailable, or their performance may be affected.
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Frunk interior emergency release button press has been detected, but the frunk was not opened because vehicle was in motion.
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Frunk emergency interior release button press detected while the vehicle is in motion.
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Possible occupant or object inside the frunk pressing the interior release button.
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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.
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May set due to any of the following: (1) one of the switches is pressed while the other is not pressed; (2) one or more of the frunk latch switches on the frunk sensor are shorted, disconnected, or in an indeterminate voltage range.
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The frunk may not function as expected. For example, the user interface (UI) on the center display may show the frunk as open when it is actually closed.
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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 subcool is high.
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The estimated refrigerant flow index is above the expected level, and the subcool is high.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
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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.
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The vehicle detects that refrigerant flow index is below expected levels and subcool is high.
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The thermal system may not perform as expected.
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There is an unexpected condition affecting a VNF1048 chip.
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The VNF1048 chip reports a condition affecting its operation.
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Affected eFuse may not be on.
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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 subcool is low.
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The estimated refrigerant flow index is above the expected level, and the subcool is low.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
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The front vehicle controller has opened the voltage supply circuit to the Steering Feedback.
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A fault is reported by the Steering Feedback eFuse circuitry.
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Functions on the Steering Feedback will no longer work.
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The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a hardware overcurrent condition.
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The LVBMS detects a hardware overcurrent condition affecting the LV battery.
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The LV battery may be damaged and may be unable to support vehicle electrical systems.
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The vehicle controller detects the actual A/C compressor power is lower than expected.
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The A/C compressor power index is lower than expected.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
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The bridge gate driver experienced a condition affecting its operation.
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The bridge gate driver reports a condition affecting its operation.
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Actuators controlled by the bridge gate driver may be inoperative.
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Condition(s) affecting the thermal management system have reduced cabin heating and/or cooling performance or made cabin heating and/or cooling unavailable.
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May set due to many possible conditions affecting thermal management system functionality. Alert log signal data should provide information on specific condition(s).
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Cabin heating and/or cooling performance may be limited, or cabin heating and/or cooling may be unavailable.
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A pack serial number (SN) change has been detected which requires an ECU reset to re-initialize data from non-volatile memory (NVM).
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A valid pack SN has been read with does not match the pack SN associated with the NVM data used after ECU reset
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The NVM data used during initialization may not match with the swapped pack. Pack vitals, such as State of Charge, may be inaccurate
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The vehicle controller detects a condition(s) affecting the Thermal Management System that prevents it from performing as designed.
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The vehicle controller detects a condition(s) affecting the Thermal Management System. Alert log signal data for the cabinHVACUnavailableContext alert should provide more information on the specific condition(s) detected.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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A Low Voltage (LV) battery pack module temperature is above the warning temperature limit.
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A battery pack module temperature is above the warning temperature limit for longer than expected.
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Vehicle may be unable to drive.
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The steering wheel horn switch is stuck on.
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The steering wheel horn switch has been pressed for 60 seconds
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The steering wheel horn switch no longer activates the horn
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LV System Discharge Over Current.
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BMS_packCurrent is less than -BMS_maxDischargeCurrent by too much for too long
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BMS will exit the HV_UP state
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