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 6 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!

We do not support lope tunes or smoke tunes.

• 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