BILLS2006JEEP wrote:Also tried the Advanced tune tab and no luck. Same outcome....when I plug into my Jeep it say's I need Downloader version greater than 1.7.????? and then says "custom tune error". I'm using the latest version on the website, and downloader is successful at transferring tune to Predator, at least it says it is.
I am having the exact same problem and exact same error on my 2006 300C, has anyone figured out a reason or a solution yet.