Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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APS_eacMonitor message not received.
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APS_eacMonitor message not received by EPAS
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External Angle Controller inhibited
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Torque sensor zero point calibration out of range.
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Motor Angle trim service not performed or incorrect value stored
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Reduced steering assist, EAC inhibited, SASQF = UNDEFINABLE_ACCURACY
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ECU temperature sensor signal stuck in range.
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ECU temperature sensor signal stuck in range
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Reduced steering assist
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EPAS3S_status message not received on internal private bus nor vehicle bus.
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EPAS3S_status message not received on private bus nor vehicle bus
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Reduced steering assist and EAC inhibited
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Overload protection active.
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Due to sustained torque, output torque is limited
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Reduced steering assist and EAC inhibited
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Invalid EPAS3P/S_statusCrc value received on internal private bus.
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Unexpected EPAS3P/S_statusCrc value received on internal private bus
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Incorrect EPS status on bus
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The electric power assist steering (EPAS) internal private bus is receiving an unexpected status counter value, resulting in the chassis bus electric power assist steering (EPAS3S) Electronic Control Unit (ECU) to lose functionality.
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The status counter does not increment as expected.
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The power steering function is operational, but steering assist will likely be reduced. A customer facing alert describing a reduced level of assist for power steering may be present. Autopilot may be disabled in some cases.
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EPAS3P/S_status message not received on internal private bus.
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EPAS3P/S_status message is not received on internal private bus
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Incorrect EPS status on bus
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Internal private bus off.
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CAN transmit error counter is above 255
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Incorrect EPS status on bus
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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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EPAS3P/S_status message not received.
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EPAS3P/S_status message is not received by EPAS
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Incorrect EPS status on bus
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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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Invalid SCCM_steeringAngleSensorStatus value received.
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Invalid SCCM_steeringAngleSensorStatus value 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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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 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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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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VCFRONT_sensors message not received.
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VCFRONT_sensors message is not received
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Leads to Loss of EPS at init
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