AU0 Factory-verified

Cadillac · Regular Production Option

Lock control, entry, remote entry

Years 1999–09 Models 7 Factory citations 14

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Also described as Remote function actuation, keyless entry, domesticLock control, remote entry

Also documented for Buick Chevrolet GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

Catera — V-body (1997–2001)

2000–2001 Factory-verified

the 2000 list prints AUO; GM prints AU0 with this wording in other lists

GM factory document — 2000 cadillac catera rpo code list, p.1.
GM factory document — 2001 cadillac catera rpo code list, p.1.

Escalade EXT — GMT800 (2002–2006)

2002–2006 Factory-verified

GM factory document — 2002 cadillac escalade ext rpo code list, p.1.
GM factory document — 2006 cadillac escalade ext rpo code list, p.1.

Escalade EXT — GMT900 (2007–2013)

2007–2009 Factory-verified

The 2009 list adds do not use after the 2009 model year.

GM factory document — 2007 cadillac escalade ext rpo code list, p.1.
GM factory document — 2009 cadillac escalade ext rpo code list, p.1.

Escalade — GMT400-based, GMT435 (1999–2000)

1999–2000 Factory-verified

GM factory document — 1999 cadillac escalade rpo code list, p.1.
GM factory document — 2000 cadillac escalade rpo code list, p.1.

Escalade — GMT800 (2002–2006)

2002–2006 Factory-verified

GM factory document — 2002 cadillac escalade 2wd rpo code list, p.1.
GM factory document — 2006 cadillac escalade rpo code list, p.1.

Escalade — GMT900 (2007–2014)

2007–2009 Factory-verified

The 2009 list adds do not use after the 2009 model year.

GM factory document — 2007 cadillac escalade rpo code list, p.1.
GM factory document — 2009 cadillac escalade rpo code list, p.1.

STS — Sigma (2005–2011)

2006, 2007 Factory-verified

GM factory document — 2006 cadillac sts rpo code list, p.1.
GM factory document — 2007 cadillac sts rpo code list, p.1.

This page aggregates every documented appearance of AU0 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.