2018 Argo Avenger check engine light on

[msta999]

I believe I found out how to check the codes, I found, what I believe to be the online manual.

Codes are accessed through key switch and...

[msta999]

The tracks are just over 2 inches of slack.
Any idea how to check codes on these? I looked though youtube, but did find anything.

[msta999]

I ran fine, last summer, I installed the tracks and took it for a drive and noticed the check engine light was on, seemed to run ok, seemed to be lacking...