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Cadillac ECM

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  1. Engine Size4.6LRemove This Item
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  1. 12562481 | 2002 Cadillac Seville 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12553671
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Pedro - by , Wednesday
    4.0/ 5stars 1star
    plugged and played just as promised thanksFlagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12562481
    $209.99
  2. 12573650 | 2003 Cadillac DeVille 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12573577; 12580378
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Luis - by , Wednesday
    4.0/ 5stars 1star
    excellent seller to work with, excellent packing and thank you for the super fast delivery.Flagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12573650
    $209.99
  3. 12562481 | 2003 Cadillac DeVille 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12553671
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Ari - by , Wednesday
    4.0/ 5stars 1star
    Great Service fast delivery Worked perfect. Plug&Play.Thanks.Flagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12562481
    $209.99
  4. 12573650 | 2003 Cadillac Seville 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12573577; 12580378
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Pedro - by , Wednesday
    4.0/ 5stars 1star
    it's good quality. fast shipping my car sounds great now.Flagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12573650
    $209.99
  5. 12562481 | 2003 Cadillac Seville 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12553671
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Juan - by , Wednesday
    4.0/ 5stars 1star
    Great product. A pleasure to do business with.Flagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12562481
    $209.99
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Items 73-84
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All Cadillac PCM (Powertrain Control Module), Cadillac ECM (Engine Control Module) & Cadillac ECU (Electronic Control Unit) from Flagship One, Inc. are precisely programmed and flashed to meet your vehicle's specific requirements.

Our Cadillac PCM, Cadillac ECM and Cadillac ECU units that are labeled plug & play will not require any additional programming.

Here is a list of all of the Cadillac PCM, Cadillac ECM and Cadillac Engine Control Modules ( ECM PCM ECU ) that we have in stock and are ready to ship: