Alerts

Alerts

Signal Name Description Condition Impact
Overload protection active
Due to sustained torque, output torque is limited
Reduced steering assist and EAC inhibited
Invalid EPAS3P/S_statusCrc value received on internal private bus
Unexpected EPAS3P/S_statusCrc value received on internal private bus
Incorrect EPS status on bus
EPAS3P/S_status message not received on internal private bus
EPAS3P/S_status message is not received on internal private bus
Incorrect EPS status on bus
Internal private bus off
CAN transmit error counter is above 255
Incorrect EPS status on bus
Invalid EPAS3P/S_statusCounter value received
EPAS3P/S_statusCounter is not incrementing correctly
Incorrect EPS status on bus
EPAS3P/S_status message not received
EPAS3P/S_status message is not received by EPAS
Incorrect EPS status on bus
GTW_carConfig message not received
GTW_carConfig message is not received by EPAS
Reduced steering assist
Invalid SCCM_steeringAngleSensorStatus value received
Invalid SCCM_steeringAngleSensorStatus value received by EPAS
Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
Invalid SCCM_steeringAngleSensorCrc value received
Unexpected SCCM_steeringAngleSensorCrc value received by EPAS
Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
SCCM_steeringAngleSensor message not received
SCCM_steeringAngleSensor message is not received by EPAS
Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
Invalid UI_chassisControlChecksum value received
Unexpected UI_chassisControlChecksum value received
Reduced steering assist
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.
The status counter does not increment as expected.
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.
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.
The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the car computer on the CAN bus.
Steering assist may be reduced or may not function as expected.
VCFRONT_sensors message not received
VCFRONT_sensors message is not received
Leads to Loss of EPS at init
Invalid VCFRONT_LVPowerStateChecksum value received
Unexpected VCFRONT_LVPowerStateChecksum received
Leads to Loss of EPS at init
Invalid VCFRONT_LVPowerStateCounter value received
VCFRONT_LVPowerStateCounter is not incrementing correctly
Leads to Loss of EPS at init
VCFRONT_LVPowerState message not received
VCFRONT_LVPowerState message is not received by EPAS
Leads to Loss of EPS at init
Invalid DI_torque1Checksum value received
Unexpected DI_torque1Checksum value received
External Angle Controller is inhibited
Invalid DI_torque1Counter value received
DI_torque1Counter is not incrementing correctly
External Angle Controller is inhibited
Invalid ESP_wheelSpeedsQF value received
ESP_wheelSpeedsQF = ONE_OR_MORE_WSS_INVALID
Reduced steering assist and Autosteer disabled