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engr7581
December 19th, 2014, 05:23 PM
I am building a CSP5 tunefor a 2009 6.7 and my OS is 11720604. It is not one of the ones listed as able to be upgraded to CSP5. Can I just use one of the other ones that are available such as 11720809?

Thanks in advance!

2007 5.9
December 19th, 2014, 05:31 PM
Yes as long as you use a auto file for a auto etc

engr7581
December 19th, 2014, 05:35 PM
Thanks! Yes they are both auto trans files. There are just a few differences in the folders under internal flash is all.

2007 5.9
December 19th, 2014, 05:38 PM
Be sure your new os has the exhaust treatment and dtc tables

engr7581
December 19th, 2014, 05:43 PM
It does. I am going to replace 11720604 with 11720809