Thread: Tuning?

Originally Posted by 04gpking85

So if I purchase and HP Tuner do I need to do a security relearn every time I tune?

You only do a security relearn when you put a PCM in your car that was last in another car or no car at all (brand new).

haha i just realized i misread the question.... woops... well I didn't need to do a security relearn, but also I only have the original pcm