EPS provides a different assist force according to vehicle speed when engine ON. EPS CM receives engine condition and vehicle speed from ECM as EMS signal.
EPS CM sets this code if EMS message is not received within predefined time.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check EMS message time interval. |
•
Open or short in CAN harness of engine side
•
Faulty ECM |
Enable conditions |
•
IG KEY ON | |
Threshold value |
•
EMS message isn't received for more than 3s. | |
Fail Safe |
•
EPS CM sets vehicle speed as 80kph (50mile). | |
Restoration conditions |
•
EMS message is received for more than 1s. |
