It sounds like you have a fuse or relay that is loose in the fuse block or the transmission control module is going out. Here are some guides and diagrams (Below) that will help us get the problem fixed.
Do the wiggle test on the fuses to see if you can get a reaction from the interlock solenoid.
Please run some tests and get back to us we are interested to see what it is.
Images (Click to enlarge)
Wednesday, July 19th, 2017 AT 10:51 AM