Alerts

Alerts

Signal Name Description Condition Impact
EPAS3P_a020_phaseWhighUv
High-side phase W undervoltage
High-side phase W undervoltage
Reduced steering assist
EPAS3P_a019_phaseVlowUv
Low-side phase V undervoltage
Low-side phase V undervoltage
Reduced steering assist
EPAS3P_a013_gateDriveError
General gate drive error
Gate drive error observed
Reduced steering assist
EPAS3P_a123_combEcu2StatFail
EPAS3S_status message not received on internal private bus nor vehicle bus
EPAS3S_status message not received on private bus nor vehicle bus
Reduced steering assist and EAC inhibited
EPAS3P_a150_currentSensOffsetDetect
Significant main current sensor path offset detected
Electronic Power Assist Steering (EPAS) detected a significant offset in calculated main current sensor path output
Steering feel potentially compromised
EPAS3P_a148_vMaxAssist
Electronic Power Assist Steering (EPAS) maximum vehicle speed assist applied
DI vehicle speed QF degraded below acceptable state
Electronic Power Assist Steering (EPAS) assist at max vehicle speed level
EPAS3P_a147_backupVehSpeed
Electronic Power Assist Steering (EPAS) transition to DI vehicle speed source
ESP_wheelRotation missing or degraded ESP_wheelSpeedQF or degraded DI_speed backup vehicle speed message
Electronic Power Assist Steering (EPAS) is in reduced assist state, EAC is inhibited
EPAS3P_a146_diSpdCsError
Invalid DI_speedChecksum value received
Unexpected DI_speedChecksum value received by EPAS
Electronic Power Assist Steering (EPAS) will use V_max reduced assist level if invalid DI_speed message received
EPAS3P_a145_diSpdCntError
Invalid DI_speedCounter value received
DI_speedCounter is not incrementing correctly
Electronic Power Assist Steering (EPAS) will use V_max reduced assist level if invalid DI_speed message received
EPAS3P_a131_phaseFeedbackError
Phase PWM feedback control error
Phase PWM feedback control error
Reduced steering assist
EPAS3P_a129_combEcu1StatFail
EPAS3P_status message not received on internal private bus nor vehicle bus
EPAS3P_status message not received on internal private bus nor vehicle bus
Incorrect EPS status on bus
EPAS3P_a128_apsCsError
Invalid APS_eacMonitorChecksum value received
Unexpected APS_eacMonitorChecksum value received by EPAS
External Angle Controller inhibited
EPAS3P_a144_diSpdMia
DI_speed - backup vehicle speed - message not received.
Electronic Power Assist Steering (EPAS) does not receive DI_speed on CAN as expected
The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
EPAS3P_a143_vcsecCsError
Controller Area Network (CAN) messages received from the vehicle security controller (VCSEC) electronic control unit (ECU) has an invalid checksum value, indicating an error in data integrity has been detected.
CAN message received from the VCSEC ECU has an invalid checksum value.
The VCSEC to Electronic Power-Assisted Steering (EPAS) interface is interrupted. Tire-based steering tuning may be affected.
EPAS3P_a142_vcsecCntError
Controller Area Network (CAN) message received from the vehicle security controller (VCSEC) electronic control unit (ECU) has an invalid counter value, indicating an error in data integrity has been detected.
CAN message counter received from the VCSEC ECU does not increment as expected.
The VCSEC to Electronic Power-Assisted Steering (EPAS) interface is interrupted. Tire-based steering tuning may be affected.
EPAS3P_a140_difCsError
The primary Electronic Power Assist Steering (EPAS3P) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the front drive inverter (DIF) ECU on the Party CAN bus.
The EPAS3P ECU receives invalid CAN messages from the DIF ECU on the Party CAN bus.
Steering assist may be reduced or may not function as expected.
EPAS3P_a139_difCntError
The primary Electronic Power Assist Steering (EPAS3P) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the front drive inverter (DIF) ECU on the Party CAN bus.
The EPAS3P ECU receives invalid CAN messages from the DIF ECU on the Party CAN bus.
Steering assist may be reduced or may not function as expected.
EPAS3P_a138_difMia
The primary Electric Power Assist Steering (EPAS3P) electronic control unit (ECU) is not receiving the expected messages from the front drive inverter (DIF) ECU on the Party controller area network (CAN) bus.
The EPAS3P ECU does not receive the expected messages from the DIF ECU on the Party CAN bus.
Steering assist may be reduced or may not function as expected.
EPAS3P_a125_trqSensTrimOutRange
Torque sensor zero point calibration out of range
Motor Angle trim service not performed or incorrect value stored
Reduced steering assist, EAC inhibited, SASQF = UNDEFINABLE_ACCURACY
EPAS3P_a124_tempSensStuckInRange
ECU temperature sensor signal stuck in range
ECU temperature sensor signal stuck in range
Reduced steering assist