DTC Description
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
This DTC appears when messages on Yaw Rate do not come in from the IMU or the ESP (ESC) detects CAN BUS OFF state in the sensor CAN BUS, which is used to Communicate with the IMU, for more than the specified time.