All in Truck Performance tune package for 24-25 L5P Duramax. These are single tunes, the E46 ECM does not support SOTF.
You will receive all of these power levels to choose from with your RTD device:
- Tow
- Light Tow
- Street
- Hot Street
- Race (available upon request)
Requirements:
- ECM must be unlocked by HP Tuners through their send-in service
- Windows-based computer and a smartphone for tune installation and management.
- 8 HPTuners Credits
- HP Tuners AITP RTD4 device for tune delivery and application
ECM Unlock Service is required to tune the 2024-2025 L5P Duramax ECM.
Spare ECMs will NOT BE ACCEPTED, no exceptions. Only the original ECM from your vehicle is acceptable for this service.
Shipping address for send-in services: HP Tuners [ATT: GM E42 ECM Service (L5P, Global B)], 700 Eastwood Ln, Buffalo Grove, IL 60089
ECMs with broken “LOCKING” tabs or connectors WILL NOT be accepted for upgrades.
THE ECM DOES NOT RETURN TUNED, ONLY UNLOCKED. YOU STILL NEED TO TUNE THE TRUCK WITH YOUR RTD DEVICE.