{"id":533409,"date":"2026-07-17T16:47:16","date_gmt":"2026-07-17T20:47:16","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=533409"},"modified":"2026-07-17T16:47:16","modified_gmt":"2026-07-17T20:47:16","slug":"2018-dodge-journey-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2018-dodge-journey-pcm-replacement-guide\/","title":{"rendered":"2018 Dodge Journey Powertrain Control Module Replacement and Relearn"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2018 Dodge Journey Powertrain Control Module Replacement and Relearn<\/h1>\n<p class=\"hero-subtitle\">In the 2018 Dodge Journey the Powertrain Control Module (PCM) directs fuel delivery, ignition timing and transmission shifting. A malfunction can interrupt these commands, leading to loss of power, erratic shifting or a complete no\u2011start condition. The PCM also stores diagnostic codes that help pinpoint internal processor or communication failures.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM failures often trigger P0601 or P0606 codes and may prevent the engine from starting.<\/li>\n<li>Factory service requires a VIN\u2011specific reprogramming after any PCM replacement.<\/li>\n<li>Labor times for removal and installation range from 0.3 to 0.6 hours depending on engine size.<\/li>\n<li>Flagship One units arrive pre\u2011programmed, eliminating the need for on\u2011site VIN entry.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2018 Dodge Journey exhibits intermittent power loss, unexpected stalls, or diagnostic trouble codes, the powertrain control module is a likely suspect. Understanding what the PCM does, how it is accessed, and the programming steps required after replacement can help you make an informed decision. This guide explains the module\u2019s role, typical labor involved, the reprogramming process, and what to expect if you choose a refurbished replacement from Flagship One.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2018 Dodge Journey<\/h2>\n<p>The Powertrain Control Module in the 2018 Dodge Journey serves as the central computer that manages engine output, transmission shift timing, and emission controls. It continuously monitors sensor data and adjusts fuel injection and spark events to meet performance and efficiency targets. Because it governs both power and shift commands, a fault can affect drivability and fuel economy. Replacement units must match the vehicle\u2019s specifications, and the process often involves <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/journey-engine-computers.html\">replacement powertrain control modules for the 2018 Dodge Journey<\/a> to ensure proper integration with existing systems.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM is mounted within the engine compartment and is accessed by disconnecting the battery, removing the module, and reinstalling it using the specified labor times. For the 2.4L engine, removal and installation each require about 0.6 hours, while the 3.6L version follows the same time frame. The engine control module (ECM) shares similar removal times of 0.6 hours for both displacements, with a relearn procedure of 0.5 hours for the PCM and 0.5 hours for the ECM. An ECM reset may add an additional 0.3 hours. All steps are covered by the book times provided.<\/p>\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\/2018-dodge-journey-pcm-service-figure.webp\" alt=\"2018 Dodge Journey PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2018 Dodge Journey.<\/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 2018 Dodge Journey<\/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>Unlock<\/b> and disconnect the 2 electrical connectors at the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the 4 bolts holding the PCM to the bracket and remove the PCM from the ve.<\/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\">2.4L<\/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\">Powertrain Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">3.6L<\/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\">2.4L<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">3.6L<\/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 installing a new PCM, the factory procedure calls for a scan tool to reprogram the module with the vehicle\u2019s original VIN and mileage. Flagship One supplies <a href=\"https:\/\/www.fs1inc.com\/2018-dodge-journey-2-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> that arrives already coded, so the reprogramming step is effectively completed at delivery, reducing shop time and the chance of entry error.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Typical signs of a failing PCM in a 2018 Dodge Journey include a complete no\u2011start condition, rough idle, unexpected stall, or transmission shift anomalies. Drivers may also see diagnostic trouble codes on a scan tool, such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">processor fault P0601<\/a> indicating an internal processor issue. These symptoms often appear intermittently before the module fully fails.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2018 Dodge Journey<\/h2>\n<p>The following internal trouble codes have been documented for the 2018 Dodge Journey PCM:<\/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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0606<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module processor failure<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#0563C1\"><b><u>Full P0606 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Service Bulletin U49 addresses a safety recall that requires reprogramming the Powertrain Control Module to correct known software issues. The bulletin outlines the steps for updating the PCM firmware and verifying proper operation after the reprogramming.<\/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\">Bulletin<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Subject<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">What It Addresses<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Service Bulletins\/Recalls \u2022 30 &#8211; Canadian Recalls \u2022 Safety Recall U49 &#8211; Reprogram Powertrain Co<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2018 Dodge Journey<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain a healthy charging system to avoid voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure all ground connections and connectors are clean and tight.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump\u2011starting the vehicle unless absolutely necessary.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly before they worsen.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect connector seals regularly to keep moisture out.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What are the typical labor times for PCM removal on a 2018 Dodge Journey?<\/h3>\n<p>Factory labor guides list about 0.6 hours for removal and installation of the PCM on both the 2.4L and 3.6L engines.<\/p>\n<h3>Do I need a scan tool to program a new PCM in my 2018 Dodge Journey?<\/h3>\n<p>Yes, the factory procedure requires a scan tool to enter the vehicle\u2019s VIN and mileage, but a VIN\u2011programmed unit from Flagship One eliminates this step.<\/p>\n<h3>What codes indicate a PCM problem in this model?<\/h3>\n<p>Codes P0601 and P0606 are commonly associated with internal PCM processor or communication faults in the 2018 Dodge Journey.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the PCM fails, you can either have a new factory\u2011programmed unit installed or choose a refurbished replacement that meets the same specifications. Both options require the standard removal, installation and relearn labor, but a pre\u2011programmed unit can streamline the process and reduce the chance of re\u2011programming errors for your 2018 Dodge Journey.<\/p>\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\/media\/wysiwyg\/googleshop\/chrysler1gray1black\/chrysler-grayblack-large1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2018 Dodge Journey\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2018 Dodge Journey from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2018-dodge-journey-2-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2018 Dodge Journey<\/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\/journey-engine-computers.html\">Dodge Journey module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>A malfunctioning PCM can compromise the performance of your 2018 Dodge Journey, but with the right replacement and proper reprogramming, normal operation is restored. Consider a VIN\u2011pre\u2011programmed unit to simplify the repair and ensure reliable drivability.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2018 Dodge Journey shows no\u2011start, stalling or P0601 codes, a failing PCM may be the cause. Learn the risks, required reprogramming steps and how a proper fix restores engine control and drivability.<\/p>\n","protected":false},"author":1,"featured_media":525565,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,38],"tags":[440,37,443],"class_list":["post-533409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-dodge","tag-440","tag-dodge","tag-journey"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2018 Dodge Journey Powertrain Control Module Replacement and Relearn - 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\/2018-dodge-journey-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2018 Dodge Journey Powertrain Control Module Replacement and Relearn - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2018 Dodge Journey shows no\u2011start, stalling or P0601 codes, a failing PCM may be the cause. 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