2011 – 2016 Duramax EFILive SOTF Tuning Installation

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Categories: EFILive, Instructions

This guide will provide you with information about the power levels available for your vehicle and walk you through the installation process. Follow each step carefully to ensure maximum functionality. Please do not hesitate to create a support ticket if you run into any issues that require advanced troubleshooting.

2011 – 2016 LML

Tune Level/Switch PositionHP Output Gains
1 – Optimized Stock+ 30HP
2 – Economy+ 60HP
2 – EcoTow+ 100HP
3 – Street+ 150HP
5 – Maxx+ 200HP

Installing the Engine Calibration

  1. Plug the AutoCal into the truck’s OBD II port using the supplied cord.
  2. Turn the ignition to the ON position. do NOT start the vehicle!
  3. Scroll down (using down arrow/right button) to ‘Tuning Tool’. Press the ‘OK’ button (in the center of the AutoCal).
  4. Scroll down to ‘Program FULL’. Press ‘OK’.
  5. Hit ‘OK’ on the SOTF tune (or single HP tune file…depending on what tuning you purchased). the screen will say ‘Checking to 100%’.
  6. It will ask if you want to ‘LICENSE ECU NOW’ press ‘OK’.
  7. It will now ask ‘Are you sure’ press ‘OK’ to proceed with the flashing process.
  8. The AutoCal should then say ‘Please Wait… Erasing… Flashing’ with a percentage (%) below it. The flashing process takes approximately 4-7 minutes.
  9. Once it reaches 100% the AutoCal will prompt you with the ‘IGNITION OFF NOW!’ message. Turn the key off and press ‘OK’. A countdown will begin.
  10. Once the countdown has completed, the vehicle has been tuned. You may disconnect the AutoCal from the OBDII port, start the truck up, and enjoy your newfound SOTF power!

Installing the Transmission Calibration

  1. Plug the AutoCal into the truck’s OBD II port using the supplied cord.
  2. Turn the ignition to the ON position. do NOT start the vehicle!
  3. Scroll down (using down arrow…right button) to ‘Tuning Tool’. Press the ‘OK’ button (in the center of the AutoCal).
  4. Scroll down to ‘Program FULL’. Press ‘OK’.
  5. Scroll down to the TCM tune. Press ‘OK’.
  6. It will ask if you want to ‘LICENSE ECU NOW’ press ‘OK’.
  7. It will now ask ‘Are you sure’. Press ‘OK’ to proceed with the flashing process.
  8. The AutoCal will say ‘Checking 0-100%… Erasing Wait… Flashing 0-100%’ This process takes approximately 3-5 minutes.
  9. Once it reaches 100% the AutoCal will prompt you with the ‘IGNITION OFF NOW!’ message. Turn the key off and press ‘OK’. A countdown will begin.
  10. Once the countdown has finished, your PPEI transmission calibration has been installed successfully. You may disconnect the AutoCal from the OBDII port and start the truck up!

**RELEARN PROCESS: Any time you reflash your TCM, we strongly recommend relearning the trans before you turn the power up, drive it aggressively, and/or tow heavy with the truck. The following guidelines will assist in properly relearning your transmission to optimize the benefits/results of our transmission calibrations. After flashing, keep the throttle below 50% on a mild tune and go through as many 1-6 and 6-1 shifts for at least 100 miles (the more the better). Then gradually increase throttle application along with the tune level up.**

LML EGR Emissions Harness

If you’re planning on using your vehicle off-road, you’ll need to to disconnect 3 EGR harnesses. Two are located on the passenger side of the engine bay and one is located on the driver side.