There are fuses that run the system through the restraint and BCM modules. We should check those first. # 1, 23 in the interior fuse panel and 14, 18 and 3 on the BCM. Here is guide to help us get started with the fuse locations and the seat belt and warning chime wiring diagrams so you can see how the system works, below:
If the fuses are good it sounds like you may have a BCM out which I have included instructions for replacement and programming.
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Sunday, March 17th, 2019 AT 3:00 PM