So I looked through the FSM, I didn't see anything that specifies the protocol used but given some online information I found + the fact that the factory programming /dealer scan tool is a TECH 2. I'm going with yes it uses a JPW J1850 protocol. In terms of next steps to be taking I planned on grabb...

Here's what's under the plastic cover. Some sort of IO. Not sure what this does, is it a GM specific thing? I saw a couple others online with this port.

Its important to keep in mind, I'm working on a 3.5l 6VE1 which is a naturally aspirated Gasoline motor.
I'm totally jealous of your 2016 MUX with the 4jj1 diesel, but totally different setup compared to mine as far as I know

To start, I'm new to this board so hopefully my project I'm embarking on will be welcome here and there will be folks here both interested in helping as well as knowledgeable enough to help me in the areas I'm lacking in. As my day job I work as a software engineer. I primarily work in languages suc...