Question Asked: What exactly are the "engine control system" and "transmission system" codes?
August 04, 2013, 11:27 AM
My onstar diagnostic report is giving me these codes, and my car seems to want to drag or kill when I hit the brakes. My mechanic shop says that their diagnostic machine is not picking uop anything. I just changed my catalytic converter and fixed a cracked manifold, thinking that this was the cause. Please help.