Patch File on EFI LIVEUpdated 9 months ago

ONLY APPLICABLE ON 2007-2012 CUMMINS TRUCKS!!! 

PLEASE INSTALL PATCH FILE BEFORE INSTALLING THE TUNE FILE 

OR THE FACTORY PCM MAY BECOME CORRUPT AND REQUIRE A TOW TO A DEALERSHIP FOR A FACTORY RE-FLASH. ( No one wants that ) 

Once you install the tunes provided to you via email, you will find the patch file and tune file on your efi live. 

Go to Tune tool > Tuning > Program Full and your patch file and  tunes should be there. 

If you for some reason do not see the patch file, please open a customer support ticket and an agent can help you! We will require you to send us a picture.

You should have a patch file and your tune ( usually named CSP4/5 or DSP5). If you cant find it there. Send us a picture of what shows up when you navigate to Program Full

Click here for support form 

For extra information regarding your EFI Tuner, please visit the following link : EFI Live AutoCal V3 User Guide