EPS provides a different assist force according to vehicle speed when engine ON. EPS CM receives engine condition and vehicle speed from ECM as EMS1 signal.
EPS CM sets this code if EMS1 message is not received within predefined time.
Item | Detecting Condition | Possible cause |
DTC Strategy | ● Check EMS1 message time interval. | ● Open or short in CAN harness of engine side ● Faulty ECM |
Enable conditions | - | |
Threshold value | ● EMS 1 message isn't received for more than 1s. | |
Fail Safe | ● EPS CM sets vehicle speed as 40kph (25mile). | |
Restoration conditions | ● EMS 1 message is received for more than 1s. |