2015 - 2015.5 Duramax

  • 2015 - 2015.5 Duramax


    1. Plug the autocal into the truck’s OBD II port using the supplied cord.
    2. Turn the ignition to the run position, do not start the vehicle.
    3. Scroll down until you see “Tuning tool” and then click OK
    4. Select “Program Cal”
    5. Scroll down to tune of choice and then click “ok”
    6. Once you select your tune and license, the tuner will then flash the truck. This flash should take 1-2 minutes. Once this flash has finished, you need to turn the key off, it may or may not prompt this, but turn the key off and wait for the countdown. Once the countdown has completed, the vehicle has been tuned. Turn the key on and enjoy your newfound power.

    * It is advised to have a lift pump when running the street tune, and is required for the max effort tune. *

    How to Datalog with Autocal *BBx*

    1. Select “Scan tool”
    2. Scroll down to “RECORD DATA”
    3. Select controller type you want to log and click ok (e54LB7, e60-LLY, e35a-LBZ, e35b-LMM, E86A-11-14LML, E86B-2015LML)
    4. Click ok on “Record Data” to data log and send to us or “Display Data” to verify information for yourself.
    5. Click ok and the time should pop up to show that you are recording.
    6. Once you are done recording, press ok, and it will stop recorded and save the log to the device.