Chat with Support

DESA (Dynamic Engine System Analysis) helps systematically diagnose complex engine and after-treatment systems. Runs a dynamic self-test of these systems, creates a log and provides analysis to better guide diagnostics.



The DESA tool will no longer be supported, nor new licenses issued, after FEBRUARY 4, 2022
To continue performing DESA tuning please upgrade to INSITE 8.7.3 or newer, through Update Manager.

Software Downloads

The last version of DESA is version 1.7.0

Support ended on March 4, 2022. To continue performing DESA tuning please upgrade to the newest version of INSITE, via Update Manager.

Complete download for new installs and upgrades

  • Compatible with Windows 7, Windows 8, and Windows 10
  • Prerequisites: Microsoft Excel, MATLAB/MCR, Visual C++ 2010 or newer and .NET 4.0

File name:
File size: 573 MB


Installation Guide - download and follow

ONLY for upgrade from version 1.6 to version 1.7

File name:
File size: 25 MB


This software is not available on mobile. To download for your office or home computer, please return to this page from that device.

Search Digital Products & Services Support

Redirecting to

The information you are looking for is on

We are launching that site for you now.

Thank you.