Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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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 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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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 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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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 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 is shedding some vehicle electrical loads by cutting power to less essential electronic control units (ECUs).
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The PCS eFuse temperature is detected as greater than 133 degrees C for 500 milliseconds.
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Some convenience features will be unavailable as VCFRONT limits LV electrical system current draw by cutting power to some electronic control units (ECUs).
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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 (VCFRONT) detects at least one coolant pump has not been identified and configured.
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The coolant fluid fill / drain routine is run.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Powertrain performance may be limited. Noise, vibration, and/or harshness (NVH) conditions may also be present.
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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 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 eFuse application-specific integrated circuit (ASIC) on the vehicle controller is in an unexpected state.
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Vehicle controller eFuse ASIC is not in the requested state
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Vehicle Controller eFuse ASIC may not turn on or off as expected
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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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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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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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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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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 pack serial number (SN) is invalid and is not supported for tracking in non-volatile memory (NVM).
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An invalid pack SN has been read
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Pack data will not be tracked in NVM. Pack vitals, such as State of Charge, may be inaccurate after ECU resets
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The refrigerant system has not been commissioned or has been decommissioned by the Thermal Fill Drain service routine.
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The Thermal Fill Drain service routine is run.
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Powertrain and HVAC performance will be limited, the compressor will be limited to 2000rpm.
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The installed battery does not have a supported BMB identifier.
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A battery is installed with an unsupported BMB identifier
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BMS firmware will select default config parameters which may not correspond to the actual battery type installed. Battery signals may be missing or incorrect
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