Austin Saunders

So i purchased a key fob online that has the remote start button. Looked online and says if you have the Code AP8 on the top of the sticker in the passenger glovebox your truck has remote start. Had the dealer program the remote and the locking doors work fin but the remote start does not. The signal is sent to the truck because the lights flash just like it does when it is supposed to start. I asked the dealer, they told me that i do not have the remote start feature but im reading everywhere online that the code AP8 means your truck has the feature. Any help on this would be much appreciated.