DTC C1208-86: Wheel Speed Sensor Rear-LH Invalid/No Signal: General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
The MDPS basically assists the helm at motor "ON" and other forces along the vehicle speed. It's motor operating and accelerating conditions are determined by the signals from the wheel sensors.