DTC C1613-08: CAN Signal Error EMS: General Description
WARNING: This page is about a different car, the 2016 Hyundai Sonata and 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.
Through the CAN line, the EPB ECM receives data from ECM such as engine RPM, brake signal, battery voltage and etc. and then operates the EPB system.