Lock control, entry, remote entry, extended range

Years 2007–09, 2014 Models 4 Factory citations 9

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Also described as Remote vehicle starter prep package

Also documented for Buick Cadillac Chevrolet Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2007–2009 Factory-verified

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

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.
2014 Factory-verified

a second reading: the 2014 guides print it as a remote start preparation package with remote keyless entry and theft alarm; the 2009 list reads extended range remote entry

GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.2.
GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.2.

Yukon — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of AP8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.