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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.

    Archive / Cadillac / Code
    UJ9 ✓ Factory-verified

    Cadillac · Regular Production Option

    Indicator, low tire pressure, variation 1

    Years 2004–09 Models 5 Factory citations 10
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    Also documented for ChevroletPontiac

    Documented applications

    CTS — Sigma II (2008–2015) →
    • 2008–2009 ✓ Factory-verified
      ⛭ GM factory document — 2008 cadillac cts rpo code list, p.1.
      ⛭ GM factory document — 2009 cadillac cts rpo code list, p.1.
    CTS — Sigma / GMX320 (2003–2007) →
    • 2005–2007 ✓ Factory-verified
      ⛭ GM factory document — 2005 cadillac cts rpo code list, p.1.
      ⛭ GM factory document — 2007 cadillac cts rpo code list, p.1.
    SRX — Sigma / GMT265 (2004–2009) →
    • 2006–2009 ✓ Factory-verified
      ⛭ GM factory document — 2006 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) →
    • 2004–2009 ✓ Factory-verified
      ⛭ GM factory document — 2004 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 UJ9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.

    RPOARCHIVE

    A factory-sourced reference to GM Regular Production Option codes, 1960–2027. Every code carries a confidence grade and, where the factory documents it, a citation to the exact GM factory document and page.

    Reference

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    Provenance

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    • About this project

    Independent reference work — not affiliated with or endorsed by General Motors. “GM,” “Chevrolet,” “Pontiac,” “Oldsmobile,” “Buick,” “Cadillac,” “GMC,” “Saturn,” and “Hummer” are trademarks of their respective owners, used nominatively to identify the vehicles this data describes. No GM logos or emblems are reproduced.

    Data compiled from GM Heritage factory documentation and cross-referenced public sources. Generated from a curated, versioned dataset.