Sales package, Cadillac, international luxury 002

Years 2007–09 Models 2 Factory citations 3

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Also documented for Buick

Documented applications

CTS — Sigma / GMX320 (2003–2007)

2007 Factory-verified

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

STS — Sigma (2005–2011)

2007–2009 Factory-verified

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

This page aggregates every documented appearance of Y48 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.