NF9 Factory-verified

Cadillac · Regular Production Option

Emission system, general, OBD MIL suppression

Years 2003–09 Models 11 Factory citations 26

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Also described as Emission system, general, unleadedEmission system, general unleadedEmission system, general OBD MIL suppression

Also documented for Buick Chevrolet GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

CTS — Sigma II (2008–2015)

2008 Factory-verified internal

GM factory document — 2008 cadillac cts rpo code list, p.1.

CTS — Sigma / GMX320 (2003–2007)

2004–2006 Factory-verified internal

GM factory document — 2004 cadillac cts rpo code list, p.1.
GM factory document — 2006 cadillac cts rpo code list, p.1.
2007 Factory-verified internal

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

DeVille — G-body (2000–2005)

2004–2005 Factory-verified internal

GM factory document — 2004 cadillac deville rpo code list, p.1.
GM factory document — 2005 cadillac deville rpo code list, p.1.

DTS — G-body (2006–2011)

2006–2008 Factory-verified internal

GM factory document — 2006 cadillac dts rpo code list, p.1.
GM factory document — 2008 cadillac dts rpo code list, p.1.

Escalade EXT — GMT800 (2002–2006)

2003–2006 Factory-verified internal

GM factory document — 2003 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 internal

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 — GMT800 (2002–2006)

2003–2006 Factory-verified internal

GM factory document — 2003 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 internal

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

SRX — Sigma / GMT265 (2004–2009)

2004–2005 Factory-verified internal

The 2006 and 2007 lists give NF9 a different wording (OBD MIL suppression).

GM factory document — 2004 cadillac srx rpo code list, p.1.
GM factory document — 2005 cadillac srx rpo code list, p.1.
2006–2007 Factory-verified internal

The 2004 and 2005 lists give NF9 a different wording (see the other NF9 row).

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

STS — Sigma (2005–2011)

2005, 2006 Factory-verified internal

The 2007 list prints a different meaning (separate row).

GM factory document — 2005 cadillac sts rpo code list, p.1.
GM factory document — 2006 cadillac sts rpo code list, p.1.
2007 Factory-verified internal

The 2005 and 2006 lists print general unleaded (separate row).

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

XLR — Y-body (2004–2009)

2004 Factory-verified internal

The 2005 to 2009 lists read NF9 as OBD MIL suppression (second row).

GM factory document — 2004 cadillac xlr rpo code list, p.1.
2005–2009 Factory-verified internal

The 2004 list reads NF9 as general unleaded (first row).

GM factory document — 2005 cadillac xlr rpo code list, p.1.
GM factory document — 2009 cadillac xlr rpo code list, p.1.

This page aggregates every documented appearance of NF9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.