I recently had my reflashed as part of a TSB for the 2-3 shift clunk. It wasn't covered under my extended warranty. It ended up costing me about $50.00.

Thanks for all the info. I followed the link, and I have dealer right down the street. If I have read the site correctly would the CMR dealer be able to tune for increases in displacement? Sorry for all the questions, but I am just trying to make sure of what I am buying. Thanks again so much for ...

That is good to know. I realy have no interested in the 87 octane tune. I am having my truck re-flashed Monday to finish up repair work for a TSB for the 2-3 shift. I still plan on replacing the battery as it is the original. With the custom tunes can you guys adjust for engine displacement changes ...

I am new here and joined mainly to ask some questions before I purchase one of these. I have noticed from several members that there seems to be issues with shift firmness in their trucks after installing the 87 octane tune. since this issue seems to be more than a couple of cases, I would have to ...