Alerts

Alerts

Signal Name Description Condition Impact
Invalid ESP_wheelRotationChecksum value received
Unexpected ESP_wheelRotationChecksum value received
The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited
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.
The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the Gateway on the CAN bus.
Steering assist may be reduced or may not function as expected.
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.
The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the drive inverter torque message.
External Angle Controller is inhibited.
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.
The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.
Steering assist may be reduced or may not function as expected.
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.
The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.
Steering assist may be reduced or may not function as expected.
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.
The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.
Steering assist may be reduced or may not function as expected.
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.
The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the RCM on the CAN bus.
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.
APS_eacMonitor message not received
APS_eacMonitor message not received by EPAS
External Angle Controller inhibited
Invalid ESP_wheelSpeedsChecksum value received
Unexpected ESP_wheelSpeedsChecksum value observed
The power steering is operational but the level of assist is decreased
Invalid ESP_wheelSpeedsCounter value received
ESP_wheelSpeedsCounter is not incrementing correctly
The power steering is operational but the level of assist is decreased
Invalid DAS_steeringControlChecksum value received
Unexpected DAS_steeringControlChecksum value received by EPAS
External Angle Controller inhibited
Invalid DAS_steeringControlCounter value received
DAS_steeringControlCounter is not incrementing correctly
External Angle Controller inhibited
DAS_steeringControl message not received
DAS_steeringControl message not received by EPAS
External Angle Controller inhibited
Mismatch between primary and secondary ECU application cyclic redundancy check
Primary and Secondary ECU are running different versions
Reduced steering assist
Invalid motor rotation direction
Powerpack Polarity service not performed or incorrect value stored
Reduced steering assist
Invalid motor cogging compensation values
Cogging torque service is not performed or incorrect value is stored
Leads to torque ripple
Power-up arbitation between primary and secondary ECU failed
Master and Slave ECUs INIT Arbitration Failed
Reduced steering assist and EAC inhibited
Backup ECU motor current measurement plausibility error
Backup ECU motor current measurement plausibility error
Reduced steering assist
Phase disconnect FET startup check error
Phase disconnect FET startup check error
Reduced steering assist
ECU temperature sensor out of range
Temperature sensor value is not within limit (-50 deg ~ 125 deg)
Reduced steering assist and EAC inhibited