Radio, AM/FM stereo, seek/scan, auto reverse, music search, cassette, CD, auto tone, data system, clock, ETR

Years 2001–09 Models 9 Factory citations 42

Also described as Radio, AM/FM stereo, seek/scan, auto reverse music, search cassette, CD, auto tone, data system, clock, ETRRadio, AM/FM stereo, cassette and CD, auto tone control, RDS, clockRadio, AM/FM stereo, seek/scan, auto reverse music search cassette, CD, auto tone, data system clock, ETRRadio, AM/FM stereo, seek/scan, auto reverse music search cassette, CD, auto tone, data system, clock, ETR

Also documented for Buick Cadillac GMC Hummer Oldsmobile

Documented applications

Avalanche — GMT800 (2002–2006)

2003–2006 Factory-verified

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 — 2003 Chevrolet Avalanche, p.36.

Express — GMT600 (1996–2002)

2001–2002 Factory-verified

GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027)

2003–2005, 2007 Factory-verified

GM factory document — 2003 chevrolet express rpo code list, p.1.
GM factory document — 2004 chevrolet express awd rpo code list, p.1.
GM factory document — 2005 chevrolet express rpo code list, p.1.
GM factory document — 2007 chevrolet express 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 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.
GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.

Silverado HD — GMT900 (2007–2014)

2007–2008 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.

Suburban — GMT800 (2000–2006)

2003–2006 Factory-verified

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.39.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.138.

Tahoe — GMT800 (2000–2006)

2003–2006 Factory-verified

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.32.
GM Heritage factory kit — 2004 Chevrolet Tahoe, p.34.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.114.

TrailBlazer — GMT360 (2002–2009)

2004–2009 Factory-verified

GM factory document — 2004 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

This page aggregates every documented appearance of UB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.