Key five Remote starter and locks will not work after transmission rebuild? Help?

Question

I have a 2006 Nissan Pathfinder 4 x 4 LE and my pathfinder was acting up and ended up having to get a transmission rebuild done and when I went to the shop the key fob with the remote start in the door locks work when I got it back nothing works please help I can be reached at my email address at scout7011@gmail.com Or buy my cell at 717-440-7279 preferred language is English thank you for your help and consideration I really hope you guys can help me out

Answer 1

What is the S/N to the unit? This is located on the unit itself.

 

Does it flash the parking lights "X" amount of times when you send start?