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Re: E38 reflash
Now I’m no expert but I don’t believe your ecm is the issue, well more like I think it could be something else. If you’re running an E38 then you should also be running a transmission controller also. I know I’m my trailblazer ss the engine and trans have separate controllers and everything I’ve seen if you have the wrong trans controller it can do some weird stuff. I’d research into that
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