Good Day Gents,
Little advise/help appreciate..
I am no expert and just new to this..
I got Ls2 and 6L80E trans. I want to chance the my trans OS is 2008 and want to upgrade to 2009. I got credits for it and wont let me to upgrade to 2009 TCM OS.. anyone have any experience with this.. please refer the attached photo..
Thank youAttachment 144955
