Hello,
It sounds like you have one of three things happening; either you have a fuse that is out which there are a few that run the system or you have a bad ground to the BCM or the BCM is going out. Let's start with the easy stuff first checking the fuses numbers 8, 32, 3, 19, 21 and 7.
Here is a guide and the fuse and wiring diagrams diagrams to get us started:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Here is guide to help you check the BCM ground:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Here is how to check the PGM-FI relays:
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
If the BCM is bad you will need to have a garage program it for you.
Check out the diagrams (below).
Let us know what happens and please upload pictures or videos of the problem.
Cheers, Ken
Images (Click to make bigger)
SPONSORED LINKS
Sunday, December 3rd, 2017 AT 12:33 PM