{"id":533423,"date":"2026-07-17T16:47:49","date_gmt":"2026-07-17T20:47:49","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=533423"},"modified":"2026-07-17T16:47:49","modified_gmt":"2026-07-17T20:47:49","slug":"2020-dodge-durango-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2020-dodge-durango-pcm-replacement-guide\/","title":{"rendered":"2020 Dodge Durango PCM Replacement: Facts &#038; Programming Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2020 Dodge Durango PCM Replacement: Facts &amp; Programming Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) on your 2020 Dodge Durango serves as the central computer managing engine operation, transmission shifting, and fuel delivery. When this module fails internally, your vehicle may not start, run poorly, or set diagnostic trouble codes. The module-integrity code P0601 specifically indicates internal memory checksum errors within the PCM itself.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM on this vehicle is mounted to the Power Distribution Center assembly using a dedicated bracket<\/li>\n<li>PCM replacement requires 0.6 hours of labor for R&amp;R plus 0.5 hours for post-replace relearn procedure<\/li>\n<li>Factory procedure requires VIN and mileage programming using a diagnostic scan tool after replacement<\/li>\n<li>The ABS controller should be temporarily disconnected during PCM replacement to prevent VIN-broadcast-related codes<\/li>\n<li>Flagship One replacement units arrive pre-programmed with your vehicle&#8217;s original VIN<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2020 Dodge Durango is experiencing starting issues, stalling, or diagnostic trouble codes, the Powertrain Control Module may be the culprit. The PCM serves as the brain of your vehicle&#8217;s powertrain, coordinating engine and transmission functions. This guide explains what the module does, common failure symptoms, the replacement procedure, and the critical programming steps required after installation. Understanding these facts helps you make informed decisions about repair options and what to expect during the process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2020 Dodge Durango<\/h2>\n<p>The Powertrain Control Module on your 2020 Dodge Durango with the 3.6L Pentastar engine functions as the primary computer managing powertrain operations. This module controls fuel injection timing, ignition timing, transmission shift points, emissions systems, and various engine sensors throughout operation. Without a functioning PCM, your vehicle cannot maintain proper air-fuel mixtures, the transmission may not shift correctly, and the engine may not start at all. The module integrates with the CAN bus network to broadcast the Vehicle Identification Number to other control units, including the ABS system. When internal memory corruption occurs, the module may set code P0601, indicating a checksum failure within its internal programming. Replacing this unit requires attention to proper mounting, ground connections, and subsequent programming to restore full vehicle functionality. Many owners seek replacement engine computers for the Durango from suppliers who program the units before shipping.<\/p>\n<p>Flagship One keeps <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/durango-engine-computers.html\">Dodge Durango replacement engine computers<\/a> in stock for exactly this failure pattern.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What Replacing the PCM Involves<\/h2>\n<figure style=\"margin:22px auto;text-align:center;max-width:720px\"><img decoding=\"async\" style=\"max-width:100%;height:auto;border:1px solid #e2e6ec;border-radius:8px\" src=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/2020-dodge-durango-pcm-service-figure.webp\" alt=\"2020 Dodge Durango PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2020 Dodge Durango.<\/figcaption><\/figure>\n<div style=\"background:#f7f9fc;border:1px solid #e2e8f2;border-radius:10px;padding:18px 24px;margin:18px 0\">\n<h3 style='margin-top:0'>How to Reach the PCM on the 2020 Dodge Durango<\/h3>\n<ol style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> and isolate the negative battery cable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the pressurized coolant bottle, if applicable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the wiring harness connectors from the Powertrain Control Module (PCM) (.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the PCM retaining screws and position the ground strap aside.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the PCM from the mounting bracket, located on the Power Distribution C.<\/li>\n<\/ol>\n<p style='margin:10px 0 0 0'><em>Work with the ignition off, and treat the module as static-sensitive: avoid touching the connector pins at any point.<\/em><\/p>\n<\/div>\n<table style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:15px\">\n<tr>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Operation<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Configuration<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Book Time<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Powertrain Control Module Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.5 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Powertrain Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.6 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Engine Control Module Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.5 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Engine Control Module Reset<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.3 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Engine Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.6 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After replacing the PCM on your vehicle, the factory procedure requires using a diagnostic scan tool to reprogram the new module with your vehicle&#8217;s original identification number and the original mileage. This step is critical because certain ABS systems rely on the PCM broadcasting the VIN over the bus network, and failing to program these values may set diagnostic trouble codes. The factory caution specifically recommends disconnecting the ABS controller temporarily during replacement to prevent VIN-broadcast-related issues. Once the new module is installed, the scan tool writes the VIN to the PCM, completing the initialization process. Flagship One units arrive as a VIN-programmed replacement unit, meaning those programming steps are already completed before the module ships to you, reducing post-install procedures.<\/p>\n<p>Every <a href=\"https:\/\/www.fs1inc.com\/2020-dodge-durango-3-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">VIN-programmed replacement unit<\/a> from Flagship One arrives with these steps already completed.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>When the PCM on your 2020 Dodge Durango fails, you may experience several telling symptoms. The vehicle may refuse to start entirely, or it could start and then stall unexpectedly during operation. Misfire codes may appear across multiple cylinders, and the scan tool may show no communication with the module. Transmission shifting may become erratic or the vehicle could get stuck in gear. The specific code <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">P0601<\/a> indicates internal memory integrity failure within the PCM, which often presents as intermittent no-start conditions or persistent check engine lights that cannot be cleared. Other symptoms may include rough idle, poor acceleration, and fuel economy degradation. If your vehicle displays any of these patterns alongside diagnostic codes, the PCM warrants inspection as the likely source.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2020 Dodge Durango<\/h2>\n<p>Your 2020 Dodge Durango may store module-internal trouble codes related to PCM integrity. These codes indicate failures within the module&#8217;s internal memory systems and should be addressed promptly to restore proper vehicle operation.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:15px\">\n<tr>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Code<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Meaning<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Full Guide<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0601<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal memory checksum error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1\"><b><u>Full P0601 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2020 Dodge Durango<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain proper charging system health by ensuring the battery and alternator are functioning correctly, as voltage spikes can damage the PCM<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep all ground connections clean and secure, including the mounting bracket ground strap on the PDC<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle improperly, as voltage surges can overwhelm module circuits<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address diagnostic trouble codes promptly rather than ignoring warning lights<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Protect wiring harness and connector seals from damage during repairs or underhood work<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use quality replacement parts from reputable suppliers to minimize repeat failures<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Will my 2020 Dodge Durango run after PCM replacement without programming?<\/h3>\n<p>No. The new PCM must be programmed with your vehicle&#8217;s original VIN and mileage before the engine will run properly. The factory recommends using a diagnostic scan tool for this procedure, or you can order a pre-programmed replacement unit.<\/p>\n<h3>Can I replace the PCM myself on my 2020 Dodge Durango?<\/h3>\n<p>Technically skilled DIYers with diagnostic scan tools can perform the replacement, but the mounting, ground strap connection, and subsequent programming require specific procedures. The bracket positioning and relearn procedure are best performed by professionals familiar with Chrysler products.<\/p>\n<h3>What happens if I don&#8217;t program the VIN into the new PCM?<\/h3>\n<p>Without VIN programming, the ABS system may set trouble codes related to VIN broadcast, and other modules may not communicate properly with the new PCM. This can result in multiple electrical issues and failed emissions tests.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2020 Dodge Durango requires a new PCM, you have two primary options. Purchasing a refurbished unit and having it programmed by a locksmith or dealer adds cost and turnaround time. Alternatively, ordering a VIN-programmed replacement unit from Flagship One arrives ready to install with your vehicle&#8217;s specific programming already completed. Consider your budget, timeline, and access to programming tools when deciding which path suits your situation best.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2020-dodge-durango-3-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2020 Dodge Durango<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/durango-engine-computers.html\">Dodge Durango module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>The Powertrain Control Module remains a critical component for your 2020 Dodge Durango&#8217;s operation. Whether you choose dealer programming or a pre-programmed replacement unit, ensuring the VIN is properly recorded prevents multiple electrical issues. Addressing PCM problems promptly keeps your vehicle running reliably and avoids more extensive repairs down the road.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The 2020 Dodge Durango with a 3.6L engine may experience PCM failure causing no-start, stalling, or diagnostic trouble codes. This guide covers replacement procedures, programming requirements, and why VIN programming is critical for proper vehicle operation.<\/p>\n","protected":false},"author":1,"featured_media":525572,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,38],"tags":[676,37,51],"class_list":["post-533423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-dodge","tag-676","tag-dodge","tag-durango"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2020 Dodge Durango PCM Replacement: Facts &amp; Programming Guide - Flagship One Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fs1inc.com\/blog\/2020-dodge-durango-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2020 Dodge Durango PCM Replacement: Facts &amp; Programming Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"The 2020 Dodge Durango with a 3.6L engine may experience PCM failure causing no-start, stalling, or diagnostic trouble codes. This guide covers replacement procedures, programming requirements, and why VIN programming is critical for proper vehicle operation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2020-dodge-durango-pcm-replacement-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-17T20:47:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/2020-dodge-durango-pcm-service-figure.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2020-dodge-durango-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2020-dodge-durango-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2020 Dodge Durango PCM Replacement: Facts &#038; 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