CE4 Factory-verified

Cadillac · Regular Production Option

Washer, headlamp, high pressure

Years 2002–09, 2014 Models 7 Factory citations 16

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Also documented for Buick Chevrolet GMC Oldsmobile

Documented applications

CTS — Sigma II (2008–2015)

2008–2009, 2014 Factory-verified

2014: CTS-V Coupe, CTS-V Sedan: S

GM factory document — 2008 cadillac cts rpo code list, p.1.
GM factory document — 2009 cadillac cts rpo code list, p.1.
GM factory document — 2014 cadillac cts coupe and cts v coupe fleet order guide wayback, p.2.
GM factory document — 2014 cadillac cts v sedan fleet order guide wayback, p.3.

CTS — Sigma / GMX320 (2003–2007)

2003–2007 Factory-verified

GM factory document — 2003 cadillac cts rpo code list, p.1.
GM factory document — 2007 cadillac cts rpo code list, p.1.

DeVille — G-body (2000–2005)

2003 Factory-verified

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

Seville — G-body (1998–2004)

2002–2004 Factory-verified

GM factory document — 2002 cadillac seville rpo code list, p.1.
GM factory document — 2003 cadillac seville rpo code list, p.1.
GM factory document — 2004 cadillac seville rpo code list, p.1.

SRX — Sigma / GMT265 (2004–2009)

2004–2009 Factory-verified

GM factory document — 2004 cadillac srx rpo code list, p.1.
GM factory document — 2009 cadillac srx rpo code list, p.1.

STS — Sigma (2005–2011)

2005–2009 Factory-verified

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

XLR — Y-body (2004–2009)

2005–2009 Factory-verified

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 CE4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.