{"id":1193,"date":"2018-07-27T17:01:59","date_gmt":"2018-07-27T21:01:59","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=1193"},"modified":"2025-12-04T00:06:59","modified_gmt":"2025-12-04T05:06:59","slug":"2002-dodge-durango-4-7l-56029202aa-pcm-ecm-ecu-control-module-engine-computer-replacement","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2002-dodge-durango-4-7l-56029202aa-pcm-ecm-ecu-control-module-engine-computer-replacement\/","title":{"rendered":"2002 Dodge Durango 4.7L 56029202AA &#8211; PCM ECM ECU Control Module (Engine Computer) Replacement"},"content":{"rendered":"<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">The Powertrain Control Module, also known as PCM or JTEC, is a pre-programmed digital computer responsible for operating a vehicle&#8217;s engine control system. It acts as the &#8220;brains&#8221; of the engine, continuously adjusting its response to the changing input data and controlling various output devices. When the PCM malfunctions, it can cause issues throughout the engine. Fortunately, if a proper diagnosis indicates that replacing the PCM is the solution, it can be easily replaced to resolve the problem. In this guide, we will demonstrate how to replace a PCM ECM ECU Module on a 2002 Dodge Durango.<\/p>\n<h4 class=\"font-bold text-gray-800 text-body leading-[24px] pt-[12px] pb-[2px] [&amp;_a]:underline-offset-[6px] [&amp;_.underline]:underline-offset-[6px]\" dir=\"ltr\"><b><strong class=\"font-bold\">LOCATION<\/strong><\/b><\/h4>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">To initiate the replacement of your 2002 Dodge Durango&#8217;s PCM, begin by locating the module. You can find it in the engine compartment, towards the back and on the right, near the battery. Before we proceed, it&#8217;s crucial to ensure a safe replacement process. Make sure to turn off the ignition key and disconnect the negative battery cable before unplugging the PCM connectors. Following this precaution will safeguard the PCM from potential voltage spike damage.<\/p>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\"><b><strong class=\"font-bold\">REMOVAL<\/strong><\/b><\/p>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">Here&#8217;s a step-by-step guide for removing the PCM:<\/p>\n<ol class=\"pt-[9px] pb-[2px] pl-[24px] [&amp;_ol]:pt-[5px] list-decimal\">\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"1\">Disconnect and isolate the negative battery cable from the battery.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"2\">Remove the cover over the electrical connectors.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"3\">Carefully unplug the 32-way connectors from the PCM.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"4\">Remove the PCM mounting bolts and extract the PCM from the vehicle.<\/li>\n<\/ol>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">By following these instructions, you&#8217;ll be able to replace the PCM effectively.<\/p>\n<h4 class=\"font-bold text-gray-800 text-body leading-[24px] pt-[12px] pb-[2px] [&amp;_a]:underline-offset-[6px] [&amp;_.underline]:underline-offset-[6px]\" dir=\"ltr\">Please follow these steps to replace the PCM in your vehicle:<\/h4>\n<ol class=\"pt-[9px] pb-[2px] pl-[24px] [&amp;_ol]:pt-[5px] list-decimal\">\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"1\">Reinstall the PCM and mounting bolts onto the vehicle.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"2\">Tighten the bolts to a torque of 3\u20135 N\u00b7m (30\u201340 in. lbs.).<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"3\">Before reconnecting, inspect the PCM pins and the three 32-way connectors for any damage or corrosion. Ensure that each pin is of the same height. If there is no damage, continue.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"4\">Reconnect the 32-way connectors.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"5\">Install the cover over the electrical connectors.<\/li>\n<li class=\"text-body font-regular text-gray-800 leading-[24px] my-[5px] [&amp;&gt;ol]:!pt-0 [&amp;&gt;ol]:!pb-0 [&amp;&gt;ul]:!pt-0 [&amp;&gt;ul]:!pb-0\" value=\"6\">Reconnect the negative battery cable to the battery.<\/li>\n<\/ol>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">If you require a replacement PCM for your 2002 Dodge Durango, we offer a wide selection of Programmed PCMs. Rest assured, the PCM you order from us is 100% ready for immediate installation. If you have any questions, our Customer Service department is always here to assist you at <b><strong class=\"font-bold\">516-766-2223.<\/strong><\/b><\/p>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">For more information on the 2002 Dodge Durango 56029202AA 4.7L PCM and to make a purchase, please visit our website: <a class=\"text-blue-700 underline underline-offset-4\" href=\"https:\/\/www.fs1inc.com\/engine-computer-programmed-plug-play-2002-dodge-durango-56029202aa-4-7l-pcm-ecm-ecu.html\">2002 Dodge Durango 56029202AA 4.7L PCM<\/a>.<\/p>\n<p class=\"text-body font-regular text-gray-800 leading-[24px] pt-[9px] pb-[2px]\" dir=\"ltr\">At Flagship One, Inc., we strive to provide the best service at the most competitive prices.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A step by step guide to locating and replacing a 2002 Dodge Durango 4.0L Engine Computer.<\/p>\n","protected":false},"author":1,"featured_media":1194,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,5,40],"tags":[48,37,51,23,22,42,29,43],"class_list":["post-1193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dodge","category-feature","category-repair-manuals","tag-48","tag-dodge","tag-durango","tag-ecm","tag-ecu","tag-module","tag-pcm","tag-replace"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2002 Dodge Durango 4.7L 56029202AA - PCM ECM ECU Control Module (Engine Computer) Replacement - Flagship One Blog<\/title>\n<meta name=\"description\" content=\"PCM failed? 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