So i have aftermaket power door lock kit from ebay on my car ... it worked fine for several months and then the remote stopped working i replaced the remotes battery thinking that could be the reason why the remote wouldnt open the locks... if you unlock the driver door the rest unlock and lock, the same it just doesnt do it with the remote... when you hit the button it makes a sound and unlocks the back doors but then it wont do anything else.

i also bought another kit to see if maybe it was the module that was bad and replaced the module and still got the same problem... anyone have any idea what may be wrong?

thanks