EPS(MDPS=Motor Driving Power Steering) provides a different assist force according to vehicle speed when engine ON. EPS ECU receives engine condition and vehicle speed from ECM as EMS1 signal.
EPS(MDPS=Motor Driving Power Steering) ECU sets this code if EMS1 message is not received within predefined time.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check EMS1 message time interval. | 1. Open or short in CAN harness of engine side 2. Faulty ECM |
Enable conditions |
•
IG ON & Engine ON | |
Threshold value |
•
EMS 1 message isn't received for more than 1s. | |
Restoration conditions |
•
EMS 1 message is received for more than 1s. |
