Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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While the tractor parking brake is disengaged, the primary left vehicle controller (VCLEFTP) detects the manual release cover for the left cabin door has been removed, exposing the manual release cord.
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The VCLEFTP detects a voltage indicating the microswitch for the manual release cover on the left cabin door is not pressed while the tractor parking brake is disengaged.
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If the manual release cover is removed while the tractor parking brake is disengaged, a warning will be present on the user interface (UI) informing the user that the manual release should not be pulled.
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No
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The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance and is attempting to rebalance the cell voltages. The vehicle will be kept awake to support the LV battery until the rebalancing attempt is complete.
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The LVBMS detects that all LV battery cell voltages are not within 100mV 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 front vehicle controller has detected a problem during an eFuse self-test
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Voltage conditions during the self-test sequence are not met.
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An eFuse may be unable to turn off or on. Front vehicle controller (VCFRONT) may not function as expected.
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No
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Low Voltage hardware self-tests in progress, drive is blocked until complete.
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A drive request is asserted while Low Voltage hardware self-tests are in progress.
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The vehicle will not enter Drive state until self-tests complete.
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No
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Right headlamp powered off due to a short circuit detected on the right headlamp power rail
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The headlamp current is above 9A for greater than 10s
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All right headlamp lighting functions (low beam, high beam, turn signal, etc) may be degraded or unavailable
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No
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A request to change the DI power state has been denied.
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Electronic Parking Brake Left detects drive inverter lockout request timed out after 0.5 seconds
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Drive inverter may be faulted
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No
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The low voltage battery management system (LVBMS) reports the low voltage (LV) battery has a reduced state of charge (SOC), which may lead to the LVBMS opening the LV battery internal protection transistor (MOSFET).
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The LVBMS detects the LV battery SOC is below 15% for 5 seconds.
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The LV battery may be unable to support vehicle electrical systems.
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No
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One or more of the expected CAN messages from Drive Inverter Rear Axle 1 Left (DIRE1L) were not received while in drive.
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A message the local ECU expects to receive from the Drive Inverter Rear Axle 1 Left ECU (DIRE1L) hasn't been received within the expected timeout or the drop rate is too high while the DIRE1L is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCLEFTS_vehiclePowerState is VEHICLE_POWER_STATE_DRIVE.
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Drive functionality may be missing.
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No
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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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No
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Warns if the processor has experienced a reset due to watchdog reset.
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A watchdog (external or internal) was not serviced in time.
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Controller is MIA for some time.
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No
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Warns if the processor has experienced a reset due to power loss.
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Sudden power loss.
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Controller is MIA for some time.
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No
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Startionary detect can park vehicle if all speed sources are MIA and algo detects no motion.
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Speed sources MIA, brake press held, RCM detects no motion, speed sources unknown.
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EPB will park.
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No
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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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No
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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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No
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EPB releases no-load is measured using derivative of current. Currently in ghosted alert.
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No-load current suggested the EPB was not in no-load causing release to continue.
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EPB may not released far enough causing drag on rotor.
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No
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When EPB was applying the current measured went above the max no load current before piston position estimate predicted it would.
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EPB measure current greater than max no load current before piston position estimate expect it would.
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EPB may have debris blocking it from clamping correctly.
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No
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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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No
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The Emergency Notification Signal (ENS) harness may be disconnected or the Restraints Control Module (RCM) may be missing (MIA).
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Emergency Notification Signal (ENS) period is not within 10% of 0.001 or 0.1 seconds, and duty cycle is not between 60% and 40%.
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Loss of redundancy on high voltage disconnection signal.
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No
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Electronic Parking Brake has detected a vehicle speed condition that caused it to exit winch mode.
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While in winch mode, Electronic Parking Brake detects a speed class of fast or unknown.
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Vehicle exits winch mode and applies parking brakes.
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No
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The Electronic Parking Brake (EPB) enabled Winch Mode but did not receive the expected messages from the steering system.
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Winch Mode is enabled, but the EPB did not receive the expected messages from the steering system.
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Steering performance may be reduced or steering may be unavailable until Winch Mode is disabled.
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No
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