subaru wrx key fob

[subiedudde]

i have a 2015 subaru wrx and my key fob was not working properly. it would sometime lock and unlock. so i replaced the battery. now my key fob will not work at all. and im not to sure how to resolve this issue

 

[Ecmbuster]

In your service manual, there should be an entry to find the "code" within the fob.
Use those instructions or see if this document fits.