JJB ✓ Factory-verified

Cadillac · Regular Production Option

PT dress subassembly, not installed (modular optimization method only)

Years 2008–09 Models 3 Factory citations 5

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Also described as PT dress subassembly, not installed, modular optimization method only

Also documented for Chevrolet

Documented applications

CTS — Sigma II (2008–2015) →

• 2008–2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2008 cadillac cts rpo code list, p.1.

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

SRX — Sigma / GMT265 (2004–2009) →

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

STS — Sigma (2005–2011) →

• 2008, 2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2008 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 JJB in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.