Alerts

Alerts

Signal Name Description Condition Impact Important
Yaw damping controller correlation error
|torque command path1 - path2| > 10A (0.6Nm)
Reduced steering assist
No
Active return controller correlation error
Active return controller correlation error
Reduced steering assist
No
Target torque correlation error
|torque command path1 - path2| > 0.6Nm
Reduced steering assist
No
Phase compensation correlation error
|torque command path1 - path2| > 0.6Nm
Reduced steering assist
No
Electronic Power Assisted Steering (EPAS) module Overheat Protection (OHP) is active.
OHP limit reports a value less than 140A.
Steering assist is reduced and External Angle Control (EAC) is degraded.
No
Assist controller correlation error
|torque command path1 - path2| > 0.6Nm
Reduced steering assist
No
Gate drive bridge undervoltage
Vbridge < 8V
EAC inhibited
No
Difference between battery and bridge voltage exceeds threshold
|Vbat - Vbridge| > 2V
Reduced steering assist and EAC inhibited
No
Assist redcued due to supply overvoltage
Assist reduced due to supply overvoltage
Reduced assist and EAC inhibited
No
Assist disabled due to supply overvoltage
Battery > 18V
Reduced assist and EAC inhibited
No
Assist reduced due to supply undervoltage
Battery < 10V
EAC inhibited
No
Assist disabled due to supply undervoltage
Battery < 9V
Reduced assist and EAC inhibited
No
Floating point calculation error
Microcontroller floating point unit errors
Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY
No
Memory protection unit error
Memory protection unit error
Reduced steering assist
No
Gate drive EEPROM error
Gate drive EEPROM error
Reduced steering assist
No
Vehicle speed estimation correlation error
|ESP_Vehicle speed - DI_axleSpeed*.12384| > 3KPH + 0.1*ESP_Vehicle speed
Reduced assist
No
One or more expected Controller Area Network (CAN) messages from the vehicle security controller (VCSEC) electronic control unit (ECU) was not received
One or more CAN messages from the VCSEC ECU is not received as expected
The VCSEC to Electronic Power-Assisted Steering (EPAS) interface is interrupted. Tire-based steering tuning may be affected
No
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
No
Internal private bus off
CAN transmit error counter is above 255
Incorrect EPS status on bus
No
Invalid SCCM_steeringAngleSensorCounter value received
SCCM_steeringAngleSensorCounter is not incrementing correctly
Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
No