Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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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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No
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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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No
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An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
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The SSL100 pixel matrix detects non-functional pixels or has communication issues, or the voltage measured across the boost rail, Lowbeam Prefield, DRL1/2/3, or Turn LEDs is out of range, or the LED drivers in the ECU have reported status flags, or certain values programmed in the SSL100 EEPROM are out of range, or the fan current is out of range.
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Certain light functions or the headlamp fan may be degraded or disabled. These functions will retry after the next headlamp power cycle (which occurs during sleep)
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No
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A Battery Monitoring Board (BMB) device has detected an under voltage condition
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Any BMB device in the daisy chain detects an under voltage condition
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May indicate the battery pack is operating under unintended conditions. This alert may result in loss of pack power
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No
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An internal condition affecting right headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
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The SSL100 pixel matrix detects non-functional pixels or has communication issues, or the voltage measured across the boost rail, Lowbeam Prefield, DRL1/2/3, or Turn LEDs is out of range, or the LED drivers in the ECU have reported status flags, or certain values programmed in the SSL100 EEPROM are out of range, or the fan current is out of range.
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Certain light functions or the headlamp fan may be degraded or disabled. These functions will retry after the next headlamp power cycle (which occurs during sleep)
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No
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The vehicle controller detects the chiller control is in a state where the compressor may be flooding.
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The chiller's superheat is less than 1 degree C (or 33.8 degrees F) for more than 3 seconds while there is chiller demand.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the left vehicle controller (VCLEFT) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The VCLEFT eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to VCLEFT and making VCLEFT unavailable.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the right vehicle controller (VCRIGHT) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The VCRIGHT eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to VCRIGHT and making VCRIGHT unavailable.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the power conversion system (PCS) eFuse has equaled or exceeded 200A during the previous 10 milliseconds.
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The PCS eFuse current value equals or exceeds 200A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting low voltage power supply to the PCS. This could make PCS functions limited or unavailable, and may interrupt precharging of the high voltage (HV) bus .
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No
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The front vehicle controller (VCFRONT) detects an invalid coolant pump configuration. Powertrain thermal management and performance may be limited. A VCFRONT reset will typically clear the alert by correctly configuring the pump.
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The coolant pump configuration detected does not match the configuration expected by VCFRONT.
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The coolant pump may not work as expected, limiting powertrain thermal management and performance.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the electronic stability program (ESP) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The ESP eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to ESP and making vehicle stability control limited.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the electromechanical brake booster (iBooster) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The iBooster eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to iBooster and making brake functionality limited.
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No
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HV Battery Discharge routine entered, expect the HV Battery Discharge routine to run
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System trigger condition for the HV Battery Discharge routine was met and the routine attempted to start.
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Refer to HV Battery Discharge routine documentation.
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No
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A Battery Monitoring Board (BMB) device has detected an over voltage condition
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Any BMB device in the daisy chain detects an over voltage condition
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May indicate the battery pack is operating under unintended conditions. This alert may result in loss of pack power
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the primary electronic power assisted steering (EPAS3P) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The EPAS3P eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to the EPAS3P and making power steering limited or unavailable.
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No
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The front vehicle controller (VCFRONT) detects the electrical current flowing through the secondary electronic power assisted steering (EPAS3S) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
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The EPAS3S eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
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The eFuse circuit may open (trip), interrupting power supply to EPAS3S and making power steering limited or unavailable.
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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 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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Vehicle will enter deep sleep to conserve energy in 10 minutes. It is possible to wake the vehicle up within the next 10 minutes by pressing the trunk button or applying external voltage to the front trunk (frunk) access posts.
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The vehicle is in Transport Mode and the high voltage (HV) battery state of charge (SOC) is low.
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Vehicle will only wake from deep sleep via a trunk button press or when external voltage is applied to the frunk access posts.
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No
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The vehicle is attempting to recover from a deep sleep. If the vehicle does not begin charging, the vehicle will reenter deep sleep after 10 minutes.
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The vehicle is in Transport Mode, the high voltage (HV) battery state of charge (SOC) is low, and the user attempts to interact with the vehicle.
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Vehicle requires charging before it can be recovered from deep sleep. Until adequately charged, the vehicle will only wake from deep sleep via a trunk button press or when external voltage is applied to the frunk access posts.
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No
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