Approval Details

Valid E.O.


This Executive Order approved the specified parts on on November 5, 2002.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

2001 and older model year General Motors trucks equipped with the 6.6L Turbo diesel engineThe SmartBox device is an electronic module which enhances fuel flow and injector timing at medium and high load engine conditions. The SmartBox monitors and modifies the signals from the fuel rail pressure sensor, the manifold absolute pressure sensor, and the crank position sensor. The SmartBox device consists of an electronic module, wiring harness, (optional) three position dash switch, and attaching hardware.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-500-1
  • Executive Order 500-1 / D500-1
  • ARB # D-500-1
  • Executive Order No: D-500-1
  • C.A.R.B. No. D-500-1
  • Resolution D-500-1
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-500-1 PDF

D-500-1 Document:

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