AE5 ✓ Factory-verified

Cadillac · Regular Production Option

Lock control, entry, remote entry, low power, start

Years 2005–09 Models 2 Factory citations 3

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Documented applications

DTS — G-body (2006–2011) →

• 2009 ✓ Factory-verified

  GM marks it do not use after the 2009 model year.

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

STS — Sigma (2005–2011) →

• 2005–2009 ✓ Factory-verified

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

  ⛭ GM factory document — 2005 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 AE5 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.