Aug. 11, 2015 - Autodesk releases the AutoCAD® 2016 DWG to PDF Custom Properties Hotfix
Autodesk releases another hotfix to resolve the issue that incorrect Properties dialog in Plotter Configuration Editor is displayed for the custom PC3 file created from "DWG to PDF" model using Add Plotter wizard.
This hotfix is applied to the available language versions of AutoCAD 2016 based products including AutoCAD Civil 3D 2016.
You can get the hotfix here