Ive used hp tuners on my 99 Camaro and decided I'm going to try it on my 06 cummins. My first issue I had was when I first hooked up to my truck I would get the error, validate checksum failed. I got support for this issue and a update was made and that fixed that problem. Once I was able to read my truck I changed a few things in the tune and tried to write the new tune. When I go to write the tune I click "write" and it tells me data integrity check failed. Any ideas what the issue is? Ive read my truck again and tried to change things but no luck so far