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

Years 1998–06 Models 6 Factory citations 16

Also described as Radio, AM/FM stereo, seek/scan, auto reverse music search cassette, CD, auto tone, clockRadio, AM/FM stereo, seek/scan, compact disc, equalizer, clock, ETR

Also documented for Buick Cadillac Chevrolet GMC Oldsmobile Saturn

Documented applications

Bonneville — H-body, 9th gen (1992–1999)

1998–1999 Factory-verified

Bonneville Club agrees.

GM factory document — 1998 pontiac bonneville rpo code list, p.1.
GM factory document — 1999 pontiac bonneville rpo code list, p.1.

G6 — Epsilon / GMX381 (2005–2010)

2005–2006 Factory-verified

the 2005 and 2006 lists print UPO (letter O); the 2005 list adds RDS; the 2006 list prints UPO as "AM/FM stereo, seek/scan, auto tone, clock, ETR" with no cassette or CD, an outlier reading.

GM factory document — 2005 pontiac g6 rpo code list, p.1.
GM factory document — 2006 pontiac g6 rpo code list, p.1.

Grand Am — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 pontiac grand am rpo code list, p.1.

Grand Am — Fifth generation (1999–2005)

1999–2000 Factory-verified

The 1999 and 2000 lists print UPO (letter O); UP0 with the same wording in GM's other lists.

GM factory document — 1999 pontiac grand am rpo code list, p.1.
GM factory document — 2000 pontiac grand am rpo code list, p.1.

Montana — U-body second generation (1997–2005)

2000–2005 Factory-verified

the 2000–2005 lists agree on this; other platforms' lists read it as auto reverse music search cassette, CD, auto tone, clock

GM factory document — 2000 pontiac montana ext rpo code list, p.1.
GM factory document — 2001 pontiac montana ext rpo code list, p.1.
GM factory document — 2002 pontiac montana ext rpo code list, p.1.
GM factory document — 2003 pontiac montana ext rpo code list, p.1.
GM factory document — 2004 pontiac montana ext rpo code list, p.1.
GM factory document — 2005 pontiac montana 4wd rpo code list, p.1.

Sunfire — J-body (1995–2005)

1998, 2002–2003 Factory-verified

The 2002 list prints UPO; UP0 in GM's other lists.

GM factory document — 1998 pontiac sunfire rpo code list, p.1.
GM factory document — 2002 pontiac sunfire rpo code list, p.1.
GM factory document — 2003 pontiac sunfire rpo code list, p.1.

This page aggregates every documented appearance of UP0 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.