DTC C1675-81: Signal WHEEL FL Or WHEEL FR Or WHEEL RL Or WHEEL RR Not Valid: 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.
It is used for checking the vehicle speed in Blind Spot Collision Warning (BCW) system and identifying either stationary object (guardrail, tollgate, post) or the opposite vehicle in case of detecting the opposite vehicle at the time of acceleration or deceleration.