The Bully Dog Cummins Unlock Cable is a kit that has been engineered to unlock your 2013-2017 Cummins using Bully Dog's GT Diesel (Part 40420).
For use with Bullydog GT only
Required for installation of GT on 2013-2017 Cummins applications
Instructions will direct the user how to use this during installation. Will not be used once installation is complete. Its only needed for the “unlock” portion of the install.