Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Invalid VCFRONT_LVPowerStateChecksum value received
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Unexpected VCFRONT_LVPowerStateChecksum received
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Leads to Loss of EPS at init
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Invalid VCFRONT_LVPowerStateCounter value received
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VCFRONT_LVPowerStateCounter is not incrementing correctly
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Leads to Loss of EPS at init
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The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Gateway (GTW) on the CAN bus.
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The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the Gateway on the CAN bus.
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Steering assist may be reduced or may not function as expected.
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The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.
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The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the RCM on the CAN bus.
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Steering assist may be reduced or may not function as expected. Since External Angle Control (EAC) requests may be rejected, Autopilot features may be unavailable or may not function as expected.
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The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.
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The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.
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Steering assist may be reduced or may not function as expected.
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The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.
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The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.
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Steering assist may be reduced or may not function as expected.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel speeds message, resulting in a reduced amount of steering assist to preserve vehicle stability.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel speeds message.
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The power steering is operational but the level of assist is decreased.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel rotation message.
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The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
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EPAS_d005_KFC_ASIC
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The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the car computer on the CAN bus.
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The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the car computer on the CAN bus.
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Steering assist may be reduced or may not function as expected.
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DI_speed - backup vehicle speed - message not received.
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Electronic Power Assist Steering (EPAS) does not receive DI_speed on CAN as expected
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The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the drive inverter torque message, which may be the result of controller area network (CAN) bus issues.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the drive inverter torque message.
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External Angle Controller is inhibited.
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This alert is reported by the FastRestartHandler_R12 (FRH) component when the fast restart has failed.
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EPAS fast restart mechanism has failed due to blackout time failure or reset counter failure.
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EPAS normal assist with autonomous fuctions inhibited.
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This alert is reported by the MasterSilentDecition_T222 (MSD) component if there is a problem with the master-silent decision, i.e. both sides are master or both sides are silent.
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EPAS master-silent decision failure leading to a master or silent on both sides at the same time.
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Both EPAS primary and secondary can be master or silent.
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This alert is reported by the ImproperShutdownDetector_Generic (ISDG) component if improper shutdown is detected.
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EPAS detected a Improper shutdown.
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No impact.
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This alert is reported by the VibrationSignalGenerator_R12 (VSG) compobebt if a safety check for the vibration signal (lane keeping warning) torque request fails.
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Torque request of the lane departure warning violates one of the safety-related requirements.
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EPAS Lane departure warning is disabled.
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This alert is reported by the VirtualEndLock_R12 (VEL) component if there is a problem with one of the necessary inputs of the virtual end-lock.
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EPAS virtual end-lock failure due to unavailability of necessary inputs.
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Virtual end-lock inhibited.
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This alert is reported by the FrictionManager_R12 (FRM) component when high friction is detected.
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EPAS application friction management diagnostics detected failure (high friction) at any vehicle speed.
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High friction is detected in the steering system.
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This alert is reported by the FrictionManager_R12 (FRM) component if there is any friction management data lost.
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EPAS application friction management diagnostics detected failure (loss of NVM data).
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EPAS uses the predefined parameters for friction estimation instead of stored ones.
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This alert is reported by the FdrDetectionManager_R12 (FDR) component when a total blocking due to freezing is detected.
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EPAS application diagnostics detected water freezing problem (gear is completely blocked and it is uncontrollable).
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Steering gear is blocked due water freezing.
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