Alerts
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| Signal Name | Description | Condition | Impact |
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One or more of the messages the vehicle controller receives periodically from the driver seat controller (VCSEATD) is not received, indicating the VCSEATD may be unavailable (MIA).
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One or more of the expected messages from the VCSEATD is not received.
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Driver seat features depending on VCSEATD functionality, including seat buckle and heating pad, may be limited or unavailable.
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One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).
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One or more of the expected messages from the OCS1P ECU is not received.
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Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.
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One or more of the expected CAN messages from iBooster were not received.
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A message the local ECU expects to receive from the iBooster ECU has not been received within the expected timeout or the drop rate is too high while the iBooster is CAN active.
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Brake boost functionality may be missing.
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One or more of the messages the vehicle controller receives periodically from the rear left drive inverter (DIREL) is not received, indicating the DIREL may be unavailable (MIA).
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One or more of the expected messages from the DIREL is not received.
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Vehicle speed and power may be limited.
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One or more of the messages the vehicle controller receives periodically from the heat pump system compressor (CMPD) electronic control unit (ECU) is not received, indicating the CMPD ECU may be unavailable (MIA).
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One or more of the expected messages from the CMPD ECU is not received.
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The HVAC system may be unavailable or may not function as expected.
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One or more of the messages the vehicle controller receives periodically from the rear right drive inverter (DIRER) is not received, indicating the DIRER may be unavailable (MIA).
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One or more of the expected messages from the DIRER is not received.
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Vehicle speed and power may be limited.
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A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.
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Estimated resistance on the input power feed to the vehicle controller is higher than expected.
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The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.
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The vehicle controller detects the supply voltage from 1 or more components is outside of the expected range.
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The vehicle controller detects the supply voltage from 1 or more components is < 7.31. Alert log signal data should provide more information on the specific condition(s) detected.
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Features depending on the vehicle controller functionality may be unavailable or may not function as expected.
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An issue is indicated from the non-volatile memory manager.
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Non-volatile memory misconfiguration or underlying flash/filesystem error.
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Non-volatile memory records may be incorrect or missing.
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One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).
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One or more of the expected messages from the HVP ECU is not received.
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Vehicle may be unable to drive. Charging may be limited or unavailable.
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A condition affecting switch functionality has been detected.
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A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.
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The switch may not function or may not function as expected.
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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.
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The PCS is MIA when expected to be active on CAN, the LV battery is connected, the vehicle is not in service mode, and the vehicle is not being updated.
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The PCS may be power cycled by the high voltage system.
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The low voltage (LV) battery type reported by the vehicle gateway (GTW) configuration is a battery type not supported by this controller / firmware.
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The LV battery type indicated by the GTW configuration value is an LV battery type not supported by this controller / firmware.
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The LV battery system will not be updated to support the new configuration reported by the GTW configuration value. LV battery performance may be limited. LV battery support for vehicle electrical systems may be limited or unavailable.
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The vehicle battery controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the left headlight power feed.
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The VCBATT detects an eFuse overcurrent event on the left headlight power feed.
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The left headlight may be unavailable or may not function as expected.
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The current measurement reported by the LV battery (LVBMS_packCurrent) does not match the current sensor on the vehicle controller LV battery feed (IBSCurrent).
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The absolute value of current difference between LVBMS_packCurrent and IBSCurrent exceeds nominal expectations
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Incorrect battery current data being used, resulting in sub-optimal LV battery management.
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A condition affecting left daytime running light (DRL) functionality has been detected - the left daytime running light may be degraded or disabled
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An internal condition with the daytime running light (DRL) LEDs or the headlamp ECU's LED driver is detected.
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Left daytime running light (DRL) may be partially or fully disabled
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The Low Voltage Battery Management System (LVBMS) detects that the low voltage (LV) battery pack is experiencing high temperatures.
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The LVBMS module temperature has reached 60 deg C for 1 second.
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The low voltage (LV) battery may show degraded performance or become unavailable due to high temperatures.
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One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received over the interprocessor controller area network (IPC), indicating the VCRIGHT may be unavailable (MIA).
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One or more of the expected messages from the VCRIGHT is not received over the IPC.
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Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.
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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.
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An internal condition affecting the low beam (dipped beam) or high beam (main beam) LEDs, pixels, or the headlamp ECU's LED drivers is detected.
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Left low beam (dipped beam) or high beam (main beam) may be partially or fully disabled.
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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.
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LV battery is being discharged, even though the HV system should be supporting both the LV battery and the LV bus.
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Vehicle loadshedding is triggered, and a separate alert will be present to indicate that condition and its impacts.
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