Certification, emission, clean fuel vehicle, fleet

Years 2005–08 Models 5 Factory citations 10

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Also described as Emissions certification, clean fuel vehicle (fleet)

Also documented for Buick Cadillac Chevrolet Hummer Pontiac Saturn

Documented applications

Canyon — GMT355 (2004–2012)

2005, 2006 Factory-verified internal

GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2006 gmc canyon pickup 2wd rpo code list, p.1.

Savana — GMT610 (2003–2027)

2006 Factory-verified internal

GM factory document — 2006 gmc savana rpo code list, p.1.

Sierra — GMT800 (1999–2007)

2005–2007 Factory-verified internal

GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2005–2007 Factory-verified internal

GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2007–2008 Factory-verified internal

GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.

This page aggregates every documented appearance of VCL in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.