Equipment, dealer installed

Years 2003–06 Models 10 Factory citations 29

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Also documented for Buick Cadillac GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

Avalanche — GMT800 (2002–2006)

2003–2006 Factory-verified internal

GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.32.

Colorado — GMT355 (2004–2012)

2004 Factory-verified internal

GM factory document — 2004 chevrolet colorado pickup 2wd rpo code list, p.1.

Malibu — Sixth generation, Epsilon (2004–2008)

2004 Factory-verified internal

shared Epsilon code (Pontiac G6).

GM factory document — 2004 chevrolet malibu rpo code list, p.1.
GM Heritage factory kit — 2004 Chevrolet Malibu, p.37.

Silverado — GMT800 (1999–2007)

2004 Factory-verified internal

GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2004 Chevrolet Silverado, p.65.

Silverado HD — GMT800 (2001–2007)

2004 Factory-verified internal

GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.

SSR (2003–2006)

2004 Factory-verified internal

GM factory document — 2004 chevrolet ssr rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2003–2006 Factory-verified internal

GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.38.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.40.

Tahoe — GMT800 (2000–2006)

2003–2006 Factory-verified internal

GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.31.
GM Heritage factory kit — 2004 Chevrolet Tahoe, p.32.

TrailBlazer — GMT360 (2002–2009)

2004 Factory-verified internal

GM Heritage factory kit — 2004 Chevrolet Trailblazer, p.33.
GM factory document — 2004 chevrolet trailblazer 2wd rpo code list, p.1.

Venture — U-body minivan (1997–2005)

2004, 2005 Factory-verified internal

GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.

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