Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 7, 2008.
As of Saturday, February 24th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1996 to 2009 model year General Motors V8 trucksThe Evolution is a hand held programmer designed to reprogram the FLASH memory chip located in the vehicleÔÇÖs ECU module. The Evolution has four main stages of enhancement: transmission only, economy, towing, and Extreme. The Evolution is designed to download OEM calibration updates, non emission related upgrades, and patches or fixes in the firmware. Evolution data files cannot be modified by the end user.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-541-4
  • Executive Order 541-4 / D541-4
  • ARB # D-541-4
  • Executive Order No: D-541-4
  • C.A.R.B. No. D-541-4
  • Resolution D-541-4
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-541-4 PDF

D-541-4 Document:

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