OnStar diagnostic?
I don't believe our vehicles report everything to OnStar given their age. I had signed up for it a while back and really didn't get any info sent to me at all.
Give it a shot and let us know if it works for you.
Give it a shot and let us know if it works for you.
Best diagnosis for onstar is to get it removed . I hate that B...h screaming on my speakers 
You wants a diagnostic. Get a Bluetooth thing to connect to read the pcm and the app torque
Works great

You wants a diagnostic. Get a Bluetooth thing to connect to read the pcm and the app torque
Works great
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