Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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This alert is reported by the DCVoltageMonitor_T222 (DCVM) component when underVoltage is detected.
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EPAS has detected supply undervoltage (less than 9v [Calibratable]).
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Assist is disabled.
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This alert is reported by the DCVoltageMonitor_T222 (DCVM) component when overVoltage is detected.
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EPAS has detected supply overvoltage (higher than 18v [calibratable]).
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Assist is disabled.
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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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Invalid UI_chassisControlChecksum value received.
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Unexpected UI_chassisControlChecksum value received
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Reduced steering assist
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Invalid UI_chassisControlCounter value received.
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UI_chassisControlCounter is not incrementing correctly
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Reduced steering assist
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SCCM_steeringAngleSensor message not received.
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SCCM_steeringAngleSensor message is not received by EPAS
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Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
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Invalid SCCM_steeringAngleSensorCrc value received.
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Unexpected SCCM_steeringAngleSensorCrc value received by EPAS
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Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
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Invalid SCCM_steeringAngleSensorCounter value received.
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SCCM_steeringAngleSensorCounter is not incrementing correctly
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Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
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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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GTW_carConfig message not received.
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GTW_carConfig message is not received by EPAS
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Reduced steering assist
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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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Invalid ESP_wheelSpeedsChecksum value received.
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Unexpected ESP_wheelSpeedsChecksum value observed
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The power steering is operational but the level of assist is decreased
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Invalid ESP_wheelSpeedsCounter value received.
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ESP_wheelSpeedsCounter is not incrementing correctly
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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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Invalid ESP_wheelRotationChecksum value received.
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Unexpected ESP_wheelRotationChecksum value received
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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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