Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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EPAS_d023_KFC_PWD
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-
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EPAS_d022_KFC_SPI_SYNC_REG
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-
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EPAS_d021_KFC_SPI_COM_TIMO
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-
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EPAS_d020_KFC_RAM
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-
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EPAS_d019_KFC_UKL30_2L_OFF
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-
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EPAS_d018_KFC_UKL30_2H_OFF
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-
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EPAS_d002_KFC_NVRAM_MNG_READ
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-
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EPAS_d001_KFC_STORQUE_0
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-
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This alert is reported by the Oscillation Compensation component when the filtered maximum motor torque is greater than a threshold for a certain amount of time.
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Filtered maximum motor torque is greater than a set threshold [Calibratable] for a tolerated time.
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EPAS is not able to provide Active Oscillation Compensation torque.
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This alert is reported by the AssistCapabilityProvider_R12 (ACP) component when Internal faults/errors are preventing EPAS to produce any torque capability.
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EPAS MCU both sides EPAS states are in passive faulted state.
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EPAS assist torque is disabled. EPAS is not possible to provide torque.
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This alert is reported by the AssistActivationDeactivation_T222 (AAD) component when safe vehicle speed assist applied on Electronic Power Assist Steering (EPAS).
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EPAS vehicle speed signal is not reliable or available (CRC/Counter/MIA error on DI_speed message or DI_VelocityEstimatorState message is received with VE_STATE_NOT_INITIALIZED or VE_STATE_BACKUP_MOTOR)
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EPAS steering features remain enabled using safe speed. External angle control is inhibited. Steering features include: Friction Manager, Freezing Detection and Retention, Active Damping, Assist Limiter and Position Limiter, Column Torque Controller, Controlled Return (or Active Return), Controlled Stickiness Compensation, Lane Departure Warning, Oscillation Compensation (this feature is currently tuned out) , Pull Drift Compensation, Soft Catch Up Emulation, Steering Support, Virtual End-Lock
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This alert is reported by the MotorRestrictionMonitor_T222 (MRM) component when due to sustained torque, output torque is limited. This corresponds to the Curb Damage Protection feature and the max available torque is degraded when there is a high torque and low motor angle speed.
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EPAS curb damage protection degradation factor is less than 60% [Calibratable].
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EPAS assist torque is limited.
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This alert is reported when the power ratio (actual power divided by nominal power) is less than 70% [Calibratable] due to overheat protection.
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EPAS power ratio (actual power divided by nominal power) is less than 60% and the cause is temperature related.
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EPAS assist torque is limited due temperature cause.
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This alert is reported by the MotorRestrictionMonitor_T222 (MRM) component when Internal faults/errors are preventing EPAS to produce its full torque capability. This alert is reported when the power ratio (actual power divided by nominal power) is less than 60% [Calibratable].
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EPAS power ratio (actual power divided by nominal power) is less than 60% [Calibratable].
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EPAS assist torque is limited.
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This alert is reported by the WheelSpeedsCalculation_T222 (WSC) component when the Wheel Speeds QF signal is detected faulted.
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ESP_wheelSpeedsQF message received with ONE_OR_MORE_WSS_INVALID for longer than tolerated time.
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Straight ahead detection inhibited.
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This alert is reported by the YawRateSignalAdapter_T222 (YRSA) component when the yaw rate signal QF signal is detected faulted.
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RCM_yawRateQF message received with FAULTED for longer than tolerated time..
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Straight ahead detection inhibited.
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This alert is reported when the steeting angle sensor status QF signal is detected faulted.
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SCCM_steeringAngleSensorStatus message received with ERROR_INIT or ERROR for longer than tolerated time.
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If since from startUp, impact on Steering Angle Sensor Synchronization. Impact on the internalSASQF.
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This alert is reported by the SystemConditionObserver_T222 (SCO) component when the private bus-off state is detected. Inter MCU Communication (IMC) problem.
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EPAS Inter MCU Communication health status is faulty.
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EPAS master/silent decision.
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This alert is reported by the SystemConditionObserver_T222 (SCO) component when the a bus-off state is detected.
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EPAS has detected bus failure (Bus-off).
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EPAS does not receive/transmit CAN messages.
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This alert is reported by the ParameterSelectorProvider_T222 (PSP) component when the SYS (System) or STF (Steering Feel) related parameters selection is not successful.
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SYS (System) or STF (Steering Feel) related parameters selection is not successful.
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EPAS full loss of assist.
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