Emission override, unleaded fuel, export

Years 1999–03 Models 5 Factory citations 10

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Also documented for Chevrolet GMC Oldsmobile

Documented applications

DeVille — G-body (2000–2005)

2000–2001, 2003 Factory-verified internal

GM factory document — 2000 cadillac deville rpo code list, p.1.
GM factory document — 2003 cadillac deville rpo code list, p.1.

Escalade EXT — GMT800 (2002–2006)

2002 Factory-verified internal

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

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

1999–2000 Factory-verified internal

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 Factory-verified internal

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

Seville — G-body (1998–2004)

2000–2003 Factory-verified internal

GM factory document — 2000 cadillac seville rpo code list, p.1.
GM factory document — 2001 cadillac seville rpo code list, p.1.
GM factory document — 2002 cadillac seville rpo code list, p.1.
GM factory document — 2003 cadillac seville rpo code list, p.1.

This page aggregates every documented appearance of NN8 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.