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  • Programmed 2016 Savana 2500 Engine Control Module, part 12668866. Shows connectors for a direct-fit installation to fix check engine lights and communication errors.
    $225.95

    Programmed 2016 Savana 2500 Engine Control Module ECM 12668866

  • Programmed 2013-2016 Trax Engine Module 12668866. Shows the main housing and connectors for a direct-fit replacement to fix running issues.
    $225.95

    Programmed 2013-2016 Trax Engine Module ECM ECU | Part #12668866

  • Programmed 2011-2015 Volt Engine Module 12668866 showing the main housing and electrical connector ports. This ECM fixes DTCs like P0601 and U0100.
    $225.95

    Programmed 2011-2015 Volt Engine Module 12668866 | VIN Matched ECM

  • Front view of a 2013-2016 Encore Engine Module, part 12668866, showing the main electrical connector ports. This pre-programmed ECM fixes check engine lights and stalling.
    $225.95

    Programmed 2013-2016 Encore Engine Module 12668866 | Flashed to Your VIN

  • Programmed 2014-2016 ELR Engine Control Module 12668866, showing connectors. A reliable fix for no-start conditions and DTCs like P0601.
    $225.95

    2014-2016 ELR Engine Control Module 12668866 | VIN Programmed

  • Front view of a 2014-2015 Spark Engine Control Module 12668866 with its three main connection ports visible. Pre-programmed to fix CEL and no-start issues.
    $225.95

    Programmed 2014-2015 Spark Engine Control Module ECM 12668866

  • Programmed 2012-2016 Sonic Engine Module 12668866, front view showing connectors. Fixes engine codes like P0601 and restores performance.
    $225.95

    Programmed 2012-2016 Sonic Engine Module ECM PCM 12668866

  • 2012-2016 Silverado 2500 ECM part 12668866 showing the main electrical connector ports. This pre-programmed engine computer fixes check engine lights and stalling.
    $225.95

    2012-2016 Silverado 2500 Pickup Engine Control Module 12668866 Programmed To Your VIN PCM ECM

  • Front view of a 2012-2016 Silverado 3500 ECM, part 12668866, showing the main electrical connectors. This VIN-programmed module fixes CEL issues.
    $225.95

    Programmed 2012-2016 Silverado 3500 ECM 12668866 Engine Control Module

  • Programmed 2012-2016 Sierra Denali 2500 ECM, part 12668866, showing the main housing and electrical connector ports. A reliable fix for DTC P0601.
    $225.95

    Programmed 2012-2016 Sierra Denali 2500 ECM 12668866 | Plug & Play

  • A genuine GM Engine Control Module (ECM) for a 2012-2016 Sierra Denali 3500, showing the main electrical connectors. This VIN-programmed part fixes CEL codes and performance issues.
    $225.95

    Programmed 2012-2016 Sierra Denali 3500 ECM Engine Computer 12668866

  • Programmed 2012-2016 Sierra 2500 Engine Control Module 12668866. A direct replacement to fix check engine lights and restore engine performance.
    $225.95

    Programmed 2012-2016 Sierra 2500 Engine Control Module 12668866

  • Engine Control Module (ECM) for a 2012-2016 Sierra 3500, part 12668866, showing the main electrical connectors. Pre-programmed to fix CEL codes.
    $225.95

    Programmed 2012-2016 Sierra 3500 Engine Module 12668866

  • Front view of a 2016 Express 2500 ECM, part 12668866, showing the main electrical connector ports. This programmed module fixes engine stalling and check engine light issues.
    $225.95

    Programmed 2016 Express 2500 ECM Engine Control Module 12668866

  • Front view of a 2016 Express 3500 Van ECM, part 12668866. This VIN-programmed module fixes engine issues and check engine lights.
    $225.95

    2016 Express 3500 Van ECM 12668866 | Programmed to Your VIN | Engine Computer

  • Programmed 2016 Suburban 3500 Engine Control Module, part 12663405, showing the main electrical connectors. A reliable fix for engine issues.
    $225.95

    Programmed 2016 Suburban 3500 Engine Control Module ECM 12663405

  • Programmed 2016 Savana 3500 Engine Control Module, part 12663405. Shows the main housing and connector pins, ready for installation to fix no-start issues and clear DTCs.
    $225.95

    Programmed 2016 Savana 3500 Engine Control Module 12663405 | VIN Matched

  • Programmed 12663405 Engine Control Module for 2016 Savana 2500 Van. Shows connectors for a direct-fit, solving CEL and performance issues.
    $225.95

    Programmed 2016 Savana 2500 ECM 12663405 | VIN Matched | GM Updates

  • Front view of a 2013-2016 TRAX Engine Control Module, part 12663405, showing the main electrical connector ports for a plug-and-play installation.
    $225.95

    2013-2016 Trax Engine Control Module 12663405 Programmed To Your VIN PCM ECM

  • Programmed 2011-2015 Volt ECM Engine Control Module 12663405. Direct-fit replacement to fix check engine lights and performance issues.
    $225.95

    2011-2015 Volt ECM 12663405 | Programmed to Your VIN

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