remote start

Hello all. I am new to this forum but am trying to find possible causes to my Remote Start not working on my 2013 GMC Terrain. I have read a lot of forum posts that stated that it coincided with the Check Engine Light being on; well, here's there thing, my check engine light is not illuminated...

2007 gmc Sierra new body style extended cab. Just recently I got it checked out at autozone and it said there was a problem throttle position sensor or brake position sensor. Anyways my stock remote start won't work when the check engine light is on. I figured that out when the code was...