Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance.
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The LVBMS detects that all LV battery cell voltages are not within 150mV of each other.
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The LV battery may suddenly become unavailable and unable to support vehicle electrical systems. The LV battery may require replacement, and a separate alert should be present to indicate this condition if applicable.
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No
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The Low Voltage (LV) battery internal protection transistor (MOSFET) temperature is greater than the temperature limit.
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The MOSFET temperature is greater than the expected set temperature limit for longer than expected.
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There may be a loss of LV battery pack power. This alert may indicate a high impedance or other conditions affecting the expected operation of the LV battery MOSFET.
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No
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The low voltage (LV) battery is not communicating as expected, indicating a potential disconnection with the vehicle controller.
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Electronic connector position assurance (ECPA) state is signal not available (SNA), or the intelligent battery sensor (IBS) is not functioning as expected and the low voltage battery management system (LVBMS) is not communicating (MIA).
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Loss of low voltage (LV) battery communication with vehicle controller, so the vehicle electrical system may only be supported via the power conversion system (PCS).
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No
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Liftgate shutface switch was pressed in an unexpected state
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Liftgate shutface switch pressed while the liftgate state was initializing or closed
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May indicate an electrical/mechanical issue with the liftgate shutface switch or related circuitry
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No
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The third row seat is physically blocked by the front row seat, preventing seat movement.
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The third row seat is requested to move but may collide with the front row seat, and the front row seat is unable to automatically move out of the way.
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The front row seat may need to be manually adjusted to allow the requested third row seat movement to complete.
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No
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The calibration for the third row seat was unsuccessful or did not run.
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Third row seat movement is requested, but the seat calibration was unsuccessful or did not run.
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Automatic fold and unfold movements for the third row seat are unavailable. Only manual seat adjustments are available.
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No
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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 pack overvoltage condition.
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The LVBMS detects a pack overvoltage 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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No
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The Electronic Parking Brake (EPB) configuration differs from the EPB configuration reported by Gateway (GTW). The Electronic Parking Brake Monitor (EPBM) expects the configuration from EPB to be valid based on GTW vehicle configuration.
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5 seconds after boot, the vehicle reports the EPB configuration and GTW vehicle EPB configuration is mismatched.
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When an inconsistency between GTW and EPB configurations is present, the EPB configuration is used.
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No
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Rear IDR not responding on LIN
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Rear IDR not responding on LIN
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Rear IDR will not function
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No
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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 cell undervoltage condition.
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The LVBMS detects a cell undervoltage 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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No
|
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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 cell overvoltage condition.
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The LVBMS detects a cell overvoltage 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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No
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The electrical current flowing through the left vehicle controller (VCLEFT) eFuse is greater or equal to 100A. The VCLEFT eFuse circuit may open (trip) if the low voltage (LV) electrical system loads are not reduced. The vehicle controller requests the VCLEFT to shed vehicle electrical loads by cutting power to the less essential loads.
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The VCLEFT eFuse current value equals or exceeds 100A for 100 milliseconds.
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Some convenience features controlled by the VCLEFT will be unavailable as the vehicle controller limits the LV electrical system current draw by cutting power to some loads.
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No
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Third row seat detects an obstacle during a fold or unfold actuation.
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Third row seat speed decreased unexpectedly, did not move at all, or exceeded the motor current threshold during a fold or unfold actuation.
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Third row seat may not be able to complete the desired actuation.
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No
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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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No
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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 charge overcurrent condition.
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The LVBMS detects a charge 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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No
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Steering wheel haptic strength is uncalibrated or attempting calibration
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Steering wheel haptic strength is uncalibrated
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Steering wheel haptics strength may be weak without calibration
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No
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A low voltage (LV) battery recovery attempt has timed out and has been aborted, and the internal protection transistor (MOSFET) has been opened. May occur because an external power supply is connected to the LV battery, or due to a high impedance connection between the power conversion system (PCS) and LV battery. The low voltage battery management system (LVBMS) reports a FAULT state.
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The LVBMS reports an LV battery recovery attempt has timed out and has been aborted because 50 seconds have passed without the LVBMS detecting adequate current flow to the LV battery across the internal protection transistor (MOSFET).
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The high voltage (HV) system will remain energized to continue supplying electrical power to the vehicle while the LV battery is unavailable. This may result in greater range loss than expected, increased HV system energy consumption when the vehicle is idle, and prevent the vehicle from sleeping. The vehicle will be unable to drive while this alert persists.
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No
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The third row seat is not properly calibrated and can only be adjusted manually.
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Third row seat calibration was unsuccessful or did not run.
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Third row seat automatic fold and unfold movements are not allowed. Only manual adjustments are allowed.
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No
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Front IDR not responding on LIN
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Front IDR not responding on LIN
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Front IDR will not function
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No
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The eFuse application-specific integrated circuit (ASIC) on the vehicle controller has incorrect thresholds set.
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The vehicle controller detects incorrect threshold values on its eFuse ASIC for 1 second.
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The eFuse ASIC on the vehicle controller may not function as expected.
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No
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