I am in need of some help I have just done a tune on a 2015 3500 duramax. I have a def tank empty message and 400 miles to reduced power. Can some please tell which switch to flip. thanks
I am in need of some help I have just done a tune on a 2015 3500 duramax. I have a def tank empty message and 400 miles to reduced power. Can some please tell which switch to flip. thanks
Last edited by Road; March 2nd, 2016 at 01:38 PM.