Front Magnetic Encoder: Inspection
WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
Visually check the magnetic encoder for any damage. If necessary, replace with a new hub unit bearing.
NOTE:
Because the magnetic encoder is integrated with hub unit bearing assembly, replace the hub unit bearing with a new part if there is any defect found on the magnetic encoder.