Wheel Speed Sensor Encoder Rings
WARNING: This page is about a different car, the 2022 Ford Police Interceptor Utility and 2022 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The wheel speed sensor encoder rings are magnetized, toothed rings used to create a Hall-effect switch when combined with the wheel speed sensor. The encoder rings are part of the front and rear wheel hub and bearing assemblies and are serviced with the assemblies.