Checksum error 2006 Silverado
I have been trying to read a tune on a 2006 Silverado 6.6V8 DSL Allison trans (HP Ver 4.2.1 - setting set at advanced)
When opening the saved tune I kept getting checksum errors and after trying latest version software including beta the boys at HP Tuners advised to upload a fresh stock tune and start from there.
I have downloaded a few 2006 stock tunes from the repository but when I try to read them there is no information for the transmission just blank - engine shows but not the trans.
So I downloaded 2005 tunes and they all work can view engine and trans - I then downloaded 2007 tunes and again I can view all aspects of those.
It seems that it is only 2006 tunes that I cant read the trans, can anyone offer a fix or comment as to why this would be.
Thanks