DTC C1613-86: CAN Signal Error EMS: General Description
WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
The Motor Driven Power Steering (MDPS) provides a different assist force according to vehicle speed when engine "ON".
The MDPS ECU receives engine condition and vehicle speed from ECM/PCM as EMS1 signal.