Quote:
Originally Posted by cooper1965
You can tune your PCM only, you do not have to tune the TCM. You do not need to sent the PCM in for unlocking. When you decide to tune your TCM, it will need to be unlocked, or you can buy an unlocked unit from HPT. You will still have to buy credits for your TCM, even after unlocking to tune it.
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This post is accurate. To add to it just a little, your ECM will cost four credits to tune. If you decide to tune the TCM, you'll need it unlocked ($200) on top of four credits for that module as well.