Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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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 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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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 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 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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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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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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Invalid DAS_steeringControlChecksum value received
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Unexpected DAS_steeringControlChecksum value received by EPAS
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External Angle Controller inhibited
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Invalid DAS_steeringControlCounter value received
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DAS_steeringControlCounter is not incrementing correctly
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External Angle Controller inhibited
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DAS_steeringControl message not received
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DAS_steeringControl message not received by EPAS
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External Angle Controller inhibited
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Mismatch between primary and secondary ECU application cyclic redundancy check
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Primary and Secondary ECU are running different versions
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Reduced steering assist
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Invalid motor rotation direction
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Powerpack Polarity service not performed or incorrect value stored
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Reduced steering assist
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Invalid motor cogging compensation values
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Cogging torque service is not performed or incorrect value is stored
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Leads to torque ripple
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Power-up arbitation between primary and secondary ECU failed
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Master and Slave ECUs INIT Arbitration Failed
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Reduced steering assist and EAC inhibited
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Backup ECU motor current measurement plausibility error
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Backup ECU motor current measurement plausibility error
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Reduced steering assist
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Phase disconnect FET startup check error
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Phase disconnect FET startup check error
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Reduced steering assist
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ECU temperature sensor out of range
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Temperature sensor value is not within limit (-50 deg ~ 125 deg)
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Reduced steering assist and EAC inhibited
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