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GM ECM (General Motors)

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  1. Engine Size4.6LRemove This Item
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  2. 12562481 | 2002 Cadillac Eldorado 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12553671
    $194.00
    Rated 4.0/5 based on 2025 customer reviews
    Luis - 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.jpg12562481
    $209.99
  3. 12573650 | 2002 Cadillac Seville 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12573577; 12580378
    $194.00
    Rated 4.0/5 based on 2033 customer reviews
    Juan - by , Wednesday
    4.0/ 5stars 1star
    The computer works perfectly. We are so happy!!Flagship One, Inc
    Cadillachttps://www.fs1inc.com/media/product/image/gm/gm_type_a2/gm_pcm_ecm_type_a2_1.jpg12573650
    $209.99
  4. 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
    Willams - 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
  6. 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
    Willams - 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
  7. 12573650 | 2003 Cadillac Seville 4.6L PCM Engine Computer ECM ECU Programmed Plug&Play | 12573577; 12580378
    $194.00
    Rated 4.0/5 based on 2033 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
  8. 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
    Luis - 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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All General Motors PCM (Powertrain Control Module) General Motors ECM (Engine Control Module) & General Motors ECU (Electronic Control Unit) from Flagship One, Inc. are precisely programmed and flashed to meet your vehicle's specific requirements.

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