Door locks constantly locking and unlocking

[Jasonds01]

I have a 2014 Sierra 1500 SLE. My door locks just started constantly locking/ unlocking by themselves. It only happens when the battery is on, like when I unlock it or open the door. I’ve checked mostly all the wiring, and fuses. Disconnected the battery numerous times. Checked all the grounds. Disconnected both door lock switches, still does it. Took apart my remote key just in case it was telling it to lock. I even disassembled the Body Control Module (BCM). I ordered an OEM BCM specific to my model and year. I also noticed, while it was sitting with everything off that my radio screen lights up intermittently. This is why I think my BCM is bad.
 

2 questions:

 

1: will I have to program the ordered BCM? I know if I made upgrades I would but I haven’t and the truck is still stock.

 

2: Where is my keyless entry receiver/ transmitter  located on my truck? This is one of the only things a haven’t ruled out. 
 

Any helps is much appreciated.