Radio, AM/FM stereo, seek/scan, auto reverse cassette, music search

Years 1998–02, 2004–05 Models 10 Factory citations 32

Also described as Radio, AM/FM, seek/scan, auto reverse music search cassetteRadio, AM/FM stereo, seek/scan, auto reverse cassette, auto tone, music searchRadio, AM/FM stereo with cassette (European)Radio, AM/FM stereo, cassette, Europe compliant

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac

Documented applications

Jimmy — second generation (1995–2001)

1998–2001 Factory-verified

2000–2001 lists add stereo; 2001 also auto tone and clock

GM factory document — 1998 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Safari — Second generation (1995–2005)

1998–2001, 2004, 2005 Factory-verified

1998 list reads without auto tone; 2004 and 2005 lists add clock and ETR.

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.
GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.
GM factory document — 2004 gmc safari 2wd rpo code list, p.1.
GM factory document — 2005 gmc safari 2wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2000 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified

the 1999–2000 lists print ULO; the 1998 list and GM's other lists print UL0

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2002 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2001–2002 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.

Sonoma — second generation (1994–2004)

1998–2002 Factory-verified

2000–2001 lists add stereo; 2001 also auto tone and clock. The 2002 list reads as the 2001 list.

GM factory document — 1998 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM prints UL0 in the 1998 list; ULO in the 1999 list; UL0 is the code

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1998–1999 Factory-verified

the 1999 list prints ULO; the 1998 list and GM's other lists print UL0

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.
GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2000–2002 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of UL0 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.