Unlock the potential of your 2013+ Cummins with the Bully Dog 2013+ Cummins unlock cable for use with the Bully Dog GT Diesel.
A 4 simple step process is all that is needed to download tuning and special features to your truck.
1. Purchase a GT Diesel and the Cummins Unlock Cable part number 42214.
2. Install the GT Diesel and follow on-screen instructions.
3. Install the Unlock Cable and follow on-screen instructions on the GT.
4. Install Tuning from the GT Diesel.