My 2016 JGC started throwing the P0299 code (under boost). It's been doing this for a couple months. I can clear the codes and in a couple key cycles it will throw this code again. I've been trying a few things and haven't had much luck. Pressure checked and couldn't hear any leaks. New MAP and...
I have a 2016 JGC. I've owed it for 3 years now. It has the Pre-EPA GDE tune w/full delete. Glad to be apart of a forum that doesn't restrict the topics.