Proven Diesel 2011-2016 LML Duramax TCM Tuning for EZ LYNK

Proven Diesel TCM Tuning add-on

An EZ LYNK AutoAgent is required to install your transmission tuning package. 

If you already have Proven Diesel ECM Tuning Tune Pack select TCM Tuning only.

A lynk with Proven Diesel through the EZ LYNK cloud is required. Select the lynk and tuning option if you are not already lynked.

If you previously ordered a Limited Support Package, please use the lynk and tuning option to upgrade to Full Support.