NU5 ✓ Factory-verified

Cadillac · Regular Production Option

Emission system, California, Bin 4

Years 2006–09 Models 5 Factory citations 9

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Also described as Emission system, California, BIN 4

Also documented for BuickChevroletGMCHummerPontiacSaturn

Documented applications

CTS — Sigma II (2008–2015) →

• 2008 ✓ Factory-verified internal
  ⛭ GM factory document — 2008 cadillac cts rpo code list, p.1.

DTS — G-body (2006–2011) →

• 2006–2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2006 cadillac dts rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac dts 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 — 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.

STS — Sigma (2005–2011) →

• 2006–2008 ✓ Factory-verified internal
  ⛭ GM factory document — 2006 cadillac sts rpo code list, p.1.

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

This page aggregates every documented appearance of NU5 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.