DTC C1213-02: Wheel Speed Frequency Error (Generic Wheel Speed Error): General Description
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
The Wheel Speed Sensors (WSS) are an essential component the ABS system. The WSS signals are used to calculate vehicle speed and to determine whether wheel lock occurs.
The WSS are active hall sensor type.