Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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EPB calculate brake hw config and epb hw config independently and checks they are the same.
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All GTW config valid for EPB. Brake hw type and epb hw type do not resolve to same EPB config
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EPB may be misconfigured for vehicle setup. Could result in caliper drag and insufficent clamp force
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EPB_u008_turnOnCarToPark
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-
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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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The Premium Amp eFuse has tripped.
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The Electronic Parking Brake Controller (EPB) has detected the eFuse circuit as open.
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Premium Audio will no longer be available.
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The Rear Seat Controller eFuse has tripped.
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The Electronic Parking Brake Controller (EPB) has detected the eFuse circuit as open.
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Rear seat functions, such as seat folding, will no longer be available.
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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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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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Vehicle speed is limited based on ultrasonic distance measurements. Currently in ghosted alert.
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Autopilot command speed to DI is too high for reported Object on Course.
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Summon will be abruptly aborted.
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Electronic Parking Brake not sure if it is a left or a right.
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Electronic Parking Brake could not read genealogy when starting.
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Electronic Parking Brake and vehicle power functions will be severely degraded.
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Vehicle attempted a power state transition which the Electronic Parking Brake did not agree with.
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VCFRONT and EPB vehicle power states are not the same
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A controller may be stuck in the wrong power state. Could block sleep or other functions
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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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Electronic Parking Brake is preparing to enter winch mode.
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Winch mode request has been made.
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Winch mode may not be entered successfully unless customer keeps foot on brake
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Electronic Parking Brake noticed very noisy current.
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At <-10C noisy motor current for more than 1s during inrush or anytime during no-load
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Diagnostic alert for noisy current while Electronic Parking Brake is active
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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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Electronic Parking Brake release failed due to idle fault.
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Electronic Parking Brake is idle faulted & release requested
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Caliper is disconnected and fails to release
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Electronic Parking Brake apply was interrupted during dynamic apply. Apply failed.
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Electronic Parking Brake faulted while applying and during ESM_DYNAMIC
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Electronic Parking Brake could not be applied, car may be free rolling
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Electronic Parking Brake apply was interrupted during dynamic apply. Apply will be retried.
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(unitFaultStatus == FAULT_STATUS_RETRY) && (stateRequest == ESM_DYNAMIC)
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Electronic Parking Brake did not apply, it will retry applying and enter fault if retry fails
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EPB_w024_motorShortedReleaseL
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-
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Electronic Parking Brake apply failed due to idle fault.
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Electronic Parking Brake is idle faulted & apply requested
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Caliper is disconnected and fails to apply
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