Duramax 6.6L LBZ/LMM
DSP5 User Guide
- 7 -
www.efilive.com
DSP
5
Upgrade
DSP
5
Upgrade Checklist
DSP
5
upgrades are only available on specific factory operating systems. Typically
these are based on the latest factory update (at time of development). If you have
a truck that has an OS not listed below, you will need to upgrade your base file
first.
Supported DSP
5
operating systems are listed in the table below. These were the
latest factory updates as of 2015; released 9 years after this ECM type was
introduced.
EFILive will not be offering DSP
5
on older, obscure or obsolete OS's. No further
EFILive development is scheduled for Duramax platforms.
DSP
5
Supported Operating Systems
E35A (LBZ)
E35B (LMM)
12603624
12617083
12604138
12617103
12606128
12628594
12616698
12632483
Upgrade Operating System to DSP
5
1. Open V8 Scan and Tune software and your stock tune file.
2. Navigate to [F5: Edit].
3. Expand the Engine Operation -> COS Patches Folder and select DSP5 Custom
Operating System.
4. Select the [Apply Upgrade] button.
5.
Select [Yes] to the “This operation cannot be undone, continue?” dialog box.
6.
A message indicating “Upgrade applied successfully.” will now display.