NU1 Factory-verified

GMC · Regular Production Option

Emission system, California, LEV2

Years 2004–10 Models 7 Factory citations 16

Query this via API →

Also described as Emission system, California, Level 2

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2007–2008 Factory-verified internal

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

Canyon — GMT355 (2004–2012)

2004 Factory-verified internal

GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.

Envoy — GMT360 (2002–2009)

2004, 2005, 2009 Factory-verified internal

GM factory document — 2004 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2005 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2009 gmc envoy 2wd rpo code list, p.1.

Savana — GMT610 (2003–2027)

2004–2010 Factory-verified internal

GM factory document — 2004 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.18.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.16.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.16.

Sierra — GMT900 (2007–2013)

2009 Factory-verified internal

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2009 Factory-verified internal

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Yukon — GMT900 (2007–2014)

2007–2009 Factory-verified internal

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of NU1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.