Lifter Release Tool
Custom Lifter Release Tool Works on all V8 GM DOD/AFM engines 2005 to present.
If your vehicle was made prior to 2015 be sure to consider the kit that comes with the VLOM plug. 2018+ vehicles equipped with DFM have not been tried yet. The VLOM plug will not work with 2018+ DFM equipped vehicles.
Disclaimer: The lifter release trick will not work if V4 mode is still active. In order to shut the system off it must be disabled in the tune. The VLOM mod is also highly recommended.
Video description for this tool is linked below