UHB ✓ Factory-verified

Cadillac · Regular Production Option

Lock control, entry, remote entry passive, remote start, specific frequency

Years 2007–09 Models 2 Factory citations 4

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Documented applications

CTS — Sigma II (2008–2015) →

• 2008–2009 ✓ Factory-verified

  The 2009 list adds "Do not use after 2009 model year".

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

  ⛭ GM factory document — 2009 cadillac cts rpo code list, p.1.

STS — Sigma (2005–2011) →

• 2007–2009 ✓ Factory-verified

  The 2009 list adds "Do not use after 2009 model year".

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