UL4 Factory-verified

Chevrolet · Regular Production Option

Frequencies, South America

Years 2003–09 Models 10 Factory citations 28

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Also described as Radio frequencies, South AmericanFrequencies, South American

Also documented for Cadillac GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2004–2006 Factory-verified

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.36.

Avalanche — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Silverado — GMT800 (1999–2007)

2003–2007 Factory-verified

GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Silverado 1500, p.48.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.61.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Silverado HD — GMT800 (2001–2007)

2003–2007 Factory-verified

GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.

Silverado HD — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2004–2006 Factory-verified

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 — 2004 Chevrolet Suburban, p.43.

Suburban — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006)

2004–2006 Factory-verified

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 — 2004 Chevrolet Tahoe, p.35.

Tahoe — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.

This page aggregates every documented appearance of UL4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.