[zyNoT]

Yes, Pi Technology has made many programs for CAT over the years. So yes it is probably real to a point. CAT has many programs in it's Engineering Toolkit.

CAT ET itself has the ability to modify maps, modify the calibration if using the Engineering/Factory comet module.
CAT PSPS is what is used internally on the assembly line.

Do you have the ability to activate ET with that comet module?

If someone sends me the Factory comet module itself, yes. It's a specific exe with extension libraries and special installer.