2017-2023 Duramax GDP Commander Custom Tune Files

Fits

This package is just the tune files, if you need a Commander device, Click Here

A fairly simple device, the GDP Commander is similar to an MPVI3 in terms of the load file process & utilizing a credit system; you will need 8 Credits in order to flash the Duramax ECM. It plugs directly into your ECM (when you purchase the harness) allowing effortless remote tuning in no time!

• Flashing the Duramax via Bench Flash (directly to the ECM with an included ECM harness) with single or SOTF Files
• Allows you to apply the custom tuning from your home
• No need to ship out ECM, meaning, no wait time!
• Single tune & SOTF available 

Different power levels can be written under request and/or depending on modifications to the vehicle. As all tune files are custom; this will give you a general idea of what you could or can get.

• Level 1 0 HP
  
• Level 2 50 HP
  
• Level 3 80 HP
  
• Level 4 120 HP
  
• Level 5 180 HP
  

• These tune files are only compatible with the GDP Commander 
• You will need GDPE41HRN harness to flash the tune files on the truck
• For TCM Tuning, you will need the GDPL5PUHRN harness to unlock the E41 TCM