You can test this program. It supports most of the v6 bins and can also update the checksums, it uses tinytuner database. Xdfs for v6 are non existent. At least I haven`t seen one.

http://www.gearhead-efi.com/Fuel-Inj...versal-Patcher


On v6 vats off is a little tricky to do.You have to switchoff some dtcs also and there is a combo of settings to get it dialed.
What software you are using for reading/writing the pcm?

You can search for a thread here. It covers different OS for v6 with settings that worked for vats off.