{"id":531189,"date":"2026-07-17T11:04:01","date_gmt":"2026-07-17T15:04:01","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=531189"},"modified":"2026-07-17T11:04:01","modified_gmt":"2026-07-17T15:04:01","slug":"2014-infiniti-qx60-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2014-infiniti-qx60-pcm-replacement-guide\/","title":{"rendered":"2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">In the 2014 Infiniti QX60, the powertrain control module (PCM) and engine control module (ECM) manage fuel delivery, ignition timing, and transmission coordination. A failure in either unit can disrupt communication, trigger fault codes, and lead to loss of power, rough idle, or no\u2011start conditions.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM relearn typically requires about half an hour of labor.<\/li>\n<li>ECM reset is a short 0.3\u2011hour task but may be needed before a full relearn.<\/li>\n<li>Full module removal and installation for either PCM or ECM averages 2.8 hours.<\/li>\n<li>Trouble code P0605 indicates internal PCM communication failure.<\/li>\n<li>Flagship One units arrive VIN\u2011programmed, eliminating post\u2011install coding.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2014 Infiniti QX60 begins to exhibit erratic power delivery, stalling, or a persistent check\u2011engine light, the underlying cause often traces back to the vehicle&#8217;s electronic control modules. Understanding the role of the powertrain control module (PCM) and engine control module (ECM) helps you diagnose the issue and decide whether a relearn, reset, or full replacement is appropriate. This guide explains what each module does, where it lives, the labor involved, and what steps the factory expects after a new unit is installed. By the end, you will know how to interpret the common symptoms, what the documented labor times mean for your repair shop, and why a VIN\u2011programmed replacement from Flagship One can streamline the process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2014 Infiniti QX60<\/h2>\n<p>The PCM in the 2014 Infiniti QX60 acts as the central brain for both engine and transmission functions. It receives data from sensors such as the mass airflow, throttle position, and crankshaft speed, then calculates the optimal fuel injection and shift timing. The ECM, while closely linked, focuses on engine\u2011specific parameters like ignition timing, idle control, and emission monitoring. Both modules must communicate flawlessly to maintain smooth acceleration and fuel efficiency. A disruption can cause the vehicle to limp, stall, or refuse to start. Understanding this interaction is crucial because any fault often requires the vehicle\u2019s diagnostic system to be reset before normal operation resumes. The repair process may involve <a href=\"https:\/\/www.fs1inc.com\/nissan-pcm-ecm-ecu-engine-computer\/infiniti-pcm-ecm-ecu-engine-computer\/qx60-engine-computers.html\">replacement powertrain control modules for 2014 Infiniti QX60<\/a> to ensure compatibility and proper integration with existing wiring harnesses.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>In the 2014 Infiniti QX60, the PCM is mounted within the engine compartment, typically attached to the firewall near the battery. Access usually involves removing the negative battery terminal, disconnecting a few electrical connectors, and unbolting the module. The ECM resides on the side of the engine, secured by a bracket and several bolts. Replacing either unit follows the same general steps: disconnect power, remove mounting hardware, and install the new module with torque specifications as outlined in the service manual. The book\u2011time for a full powertrain control module removal and reinstall is listed as 2.8 hours, while the engine control module removal and reinstall also requires 2.8 hours. Simple resets, such as the PCM relearn (0.5 hours) or ECM reset (0.3 hours), involve fewer steps and less disassembly.<\/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\/2014-infiniti-qx60-pcm-location-diagram.webp\" alt=\"2014 Infiniti QX60 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2014 Infiniti QX60.<\/figcaption><\/figure>\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\">2.8 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 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 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\">2.8 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 or ECM in the 2014 Infiniti QX60, the factory service procedure normally calls for a relearn of the module\u2019s adaptive strategies and a verification of communication with the vehicle\u2019s network. This can include a powertrain control module relearn (0.5 hours) or an engine control module relearn (0.5 hours) depending on the part swapped. Flagship One supplies units that arrive pre\u2011programmed to match the vehicle\u2019s VIN, so the required <a href=\"https:\/\/www.fs1inc.com\/2014-infiniti-qx60-3-5l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> eliminates the need for those post\u2011install coding steps, allowing the technician to focus on the physical installation and functional verification.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>When the PCM or ECM in a 2014 Infiniti QX60 experiences an internal fault, drivers may notice a range of issues. Common signs include a sudden loss of power, rough idle, frequent stalling, or an inability to start the engine. The check\u2011engine light often flashes, and a scan tool may return a generic communication error. Specific to this model, the internal fault <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\">PCM internal communication failure<\/a> can appear, indicating that the module cannot exchange data with other control units. In some cases, transmission shifting may become harsh or delayed because the PCM also governs shift timing. These symptoms typically prompt a diagnostic session, where the presence of code P0605 guides the technician toward module inspection or replacement.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2014 Infiniti QX60<\/h2>\n<p>The following internal trouble codes are documented for the 2014 Infiniti QX60 and relate directly to the powertrain and engine control modules:<\/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-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0605<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal ROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1\"><b><u>Full P0605 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2014 Infiniti QX60<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain the vehicle\u2019s charging system to ensure stable voltage to the modules.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all ground straps and connector pins regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid high\u2011voltage spikes from jump\u2011starts or improper battery connections.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic trouble codes promptly to prevent module stress.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep the protective seals on module connectors intact to block moisture.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Periodically verify battery health to reduce excessive load on control units.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What does a P0605 code mean for my 2014 Infiniti QX60?<\/h3>\n<p>The P0605 code indicates an internal communication error within the powertrain control module. It suggests the PCM cannot reliably exchange data with other vehicle systems, which may result in drivability issues.<\/p>\n<h3>How long does it take to replace the PCM on a 2014 Infiniti QX60?<\/h3>\n<p>The labor guide lists 2.8 hours for removal and reinstall of the PCM. This includes disconnecting the battery, removing mounting bolts, and securing the new unit.<\/p>\n<h3>Do I need to perform a relearn after installing a new ECM in my QX60?<\/h3>\n<p>Yes, the factory procedure calls for an engine control module relearn, which typically requires about 0.5 hours of technician time.<\/p>\n<h3>Can a VIN\u2011programmed replacement eliminate any post\u2011install steps?<\/h3>\n<p>A VIN\u2011programmed unit from Flagship One arrives with the vehicle\u2019s identification data already loaded, removing the need for the technician to perform the initial programming sequence.<\/p>\n<h3>Is it safe to reset the ECM without removing it?<\/h3>\n<p>An ECM reset can be performed in place and usually takes around 0.3 hours. It clears adaptive data but does not replace the module itself.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When faced with PCM or ECM issues on your 2014 Infiniti QX60, you can choose between a professional repair that follows the factory relearn procedures or a refurbished, VIN\u2011programmed replacement that skips the programming step. Both options aim to restore reliable engine and transmission performance, but a pre\u2011programmed unit may reduce shop time and simplify the overall process.<\/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\/nissannsh39\/nissan-ns-h39-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2014 Infiniti QX60\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2014 Infiniti QX60 from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2014-infiniti-qx60-3-5l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2014 Infiniti QX60<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/nissan-pcm-ecm-ecu-engine-computer\/infiniti-pcm-ecm-ecu-engine-computer\/qx60-engine-computers.html\">Infiniti QX60 module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>If your 2014 Infiniti QX60 is showing PCM or ECM related symptoms, a proper relearn or replacement can return it to normal operation. Consider a VIN\u2011programmed unit to streamline the repair and get back on the road with confidence.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2014 Infiniti QX60 shows PCM or ECM errors, you may need a relearn or reset. Learn the cautions and steps to restore proper engine control and avoid drivability issues.<\/p>\n","protected":false},"author":1,"featured_media":520408,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,319],"tags":[268,320,1312],"class_list":["post-531189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-infiniti","tag-268","tag-infiniti","tag-qx60"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement 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\/2014-infiniti-qx60-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2014 Infiniti QX60 shows PCM or ECM errors, you may need a relearn or reset. Learn the cautions and steps to restore proper engine control and avoid drivability issues.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2014-infiniti-qx60-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=\"2026-07-17T15:04:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/2014-infiniti-qx60-pcm-location-diagram.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1535\" \/>\n\t<meta property=\"og:image:height\" content=\"1087\" \/>\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\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement Guide\",\"datePublished\":\"2026-07-17T15:04:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/\"},\"wordCount\":1234,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/2014-infiniti-qx60-pcm-location-diagram.webp\",\"keywords\":[\"2014\",\"Infiniti\",\"QX60\"],\"articleSection\":[\"Car\",\"Infiniti\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-infiniti-qx60-pcm-replacement-guide\\\/\",\"name\":\"2014 Infiniti QX60 PCM and ECM Relearn, Reset and Replacement Guide - 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