WRXEJ20XRW

I there just want to know if there is any thing i need to know about replacing my speed sensor on my wrx its a electronic speedo and throwing the code that relates to this. Is it a matter of simply replacing the sensor i can see on the to of the gearbox turbo side? Thanks in advance

WRXEJ20XRW

Ok so i pulled the speed sensor (elecronic) from the gearbox its was really hard to rotate after spraying with some cleaner it free'd up hopefully its fixed it fingers crossed