{"id":531223,"date":"2026-07-17T11:05:25","date_gmt":"2026-07-17T15:05:25","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=531223"},"modified":"2026-07-17T11:05:25","modified_gmt":"2026-07-17T15:05:25","slug":"2016-infiniti-qx80-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2016-infiniti-qx80-pcm-replacement-guide\/","title":{"rendered":"2016 Infiniti QX80 Powertrain Control Module Relearn"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2016 Infiniti QX80 Powertrain Control Module Relearn<\/h1>\n<p class=\"hero-subtitle\">In the 2016 Infiniti QX80, the Powertrain Control Module (PCM) coordinates engine and transmission functions. When it fails, it can cause a loss of power, rough idle, or error codes, disrupting the vehicle\u2019s overall operation.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM relearn typically takes 0.5 hours.<\/li>\n<li>PCM reset usually requires 1.1 hours.<\/li>\n<li>Engine Control Module also needs 0.5 hours for relearn.<\/li>\n<li>ECM reset and R&amp;R both need 1.1 hours.<\/li>\n<li>Codes P0605 and P0611 may indicate PCM issues.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>You\u2019ve noticed that your 2016 Infiniti QX80 has been stalling, misfiring, or showing a power loss during acceleration. These symptoms can stem from a malfunctioning Powertrain Control Module (PCM). The PCM acts as the vehicle\u2019s central nervous system, coordinating the engine and transmission. Understanding how it operates, where it sits, and how to service it can help you restore smooth performance without unnecessary delays. This guide explains what the PCM does in this particular model, the typical repair steps, and how our VIN\u2011programmed replacement units can simplify the process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2016 Infiniti QX80<\/h2>\n<p>The PCM in the 2016 Infiniti QX80 manages the interaction between the engine and the transmission, ensuring optimal fuel delivery, ignition timing, and gear shifts. It receives sensor data from the engine, wheel speed, and throttle position, and it adjusts engine parameters accordingly. The module\u2019s firmware interprets these inputs to maintain efficient operation. <a href=\"https:\/\/www.fs1inc.com\/nissan-pcm-ecm-ecu-engine-computer\/infiniti-pcm-ecm-ecu-engine-computer\/qx80-engine-computers.html\">Powertrain Control Module for the 2016 Infiniti QX80<\/a> This component is critical for smooth acceleration, fuel economy, and emission control. When it fails, the vehicle may exhibit reduced power, misfires, or erratic shifting, which can lead to decreased drivability and higher fuel consumption.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What Replacing the PCM Involves<\/h2>\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 2016 Infiniti QX80<\/h3>\n<ol style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the battery and battery tray.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> ECM harness connectors as shown in the figure.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> ECM bracket bolts.<\/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\">1.1 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\">1.1 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 requires a relearn or reset to re\u2011establish communication with the rest of the vehicle. Flagship One units arrive VIN\u2011programmed, so that relearn step is already completed. <a href=\"https:\/\/www.fs1inc.com\/2016-infiniti-qx80-5-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">VIN-programmed replacement unit<\/a> This eliminates the need for a separate programming session and ensures the module is ready to operate immediately upon installation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Common indicators of PCM issues in the 2016 Infiniti QX80 include stalling, hesitation, or a noticeable loss of power during acceleration. The vehicle may also display a check\u2011engine light, or the transmission may shift erratically. When the PCM fails, codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\">Powertrain Control Module Failure<\/a> can appear in the diagnostic system. Addressing these symptoms promptly can prevent further damage to the engine or transmission.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2016 Infiniti QX80<\/h2>\n<p>The following internal trouble codes are specific to the PCM in the 2016 Infiniti QX80. Each code points to a particular fault that may require attention.<\/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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0611-fuel-injector-control-module-performance\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0611<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0611-fuel-injector-control-module-performance\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module-internal fault<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0611-fuel-injector-control-module-performance\/\" style=\"color:#0563C1\"><b><u>Full P0611 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2016 Infiniti QX80<\/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 irregularities.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all ground connections regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure connectors are free of corrosion and properly seated.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid exposing the vehicle to excessive voltage spikes, such as from jump\u2011starting.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any error codes immediately to prevent deeper system faults.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep protective seals around connectors intact to prevent moisture intrusion.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What should I do if my 2016 Infiniti QX80 shows a check\u2011engine light after a PCM replacement?<\/h3>\n<p>If the light remains on after a replacement, perform a diagnostic scan to confirm the codes. The PCM may need to be relearned again, or another component could be causing the issue. A qualified technician can verify the module\u2019s operation.<\/p>\n<h3>Will a new PCM fix a stalled 2016 Infiniti QX80 if the engine is misfiring?<\/h3>\n<p>A PCM replacement can resolve many performance issues, but misfires often involve ignition coils, spark plugs, or fuel injectors. If misfires persist, have those components inspected to rule out additional causes.<\/p>\n<h3>How long does a PCM reset typically take on the 2016 Infiniti QX80?<\/h3>\n<p>The reset procedure generally requires about 1.1 hours, including disconnecting the battery, removing the old module, installing the new unit, and reconnecting the battery.<\/p>\n<h3>Do I need to re\u2011program the new PCM after installation?<\/h3>\n<p>Flagship One units are VIN\u2011programmed, so the new PCM is ready to use immediately after installation. No additional programming is necessary.<\/p>\n<h3>Can a faulty PCM cause transmission shifting problems in the 2016 Infiniti QX80?<\/h3>\n<p>Yes. The PCM communicates with the transmission control unit to manage gear shifts. If it fails, the transmission may shift erratically or not shift at all.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>You now have a clear picture of how to address PCM-related issues in your 2016 Infiniti QX80. Whether you choose a professional repair or a refurbished replacement, understanding the module\u2019s role ensures you can make an informed decision that suits your needs.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2016-infiniti-qx80-5-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2016 Infiniti QX80<\/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\/qx80-engine-computers.html\">Infiniti QX80 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 you\u2019re experiencing performance issues with your 2016 Infiniti QX80, consider a PCM replacement or reset. Proper service can restore smooth driving and protect your vehicle\u2019s long\u2011term reliability.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2016 Infiniti QX80 stalls or misfires, a PCM reset or relearn may resolve the issue. A proper procedure can restore engine performance and prevent further damage.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,319],"tags":[329,320,1475],"class_list":["post-531223","post","type-post","status-publish","format-standard","hentry","category-car","category-infiniti","tag-329","tag-infiniti","tag-qx80"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2016 Infiniti QX80 Powertrain Control Module 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\/2016-infiniti-qx80-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2016 Infiniti QX80 Powertrain Control Module Relearn - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2016 Infiniti QX80 stalls or misfires, a PCM reset or relearn may resolve the issue. A proper procedure can restore engine performance and prevent further damage.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2016-infiniti-qx80-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=\"2026-07-17T15:05:25+00:00\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2016 Infiniti QX80 Powertrain Control Module Relearn\",\"datePublished\":\"2026-07-17T15:05:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/\"},\"wordCount\":942,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"keywords\":[\"2016\",\"Infiniti\",\"QX80\"],\"articleSection\":[\"Car\",\"Infiniti\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/\",\"name\":\"2016 Infiniti QX80 Powertrain Control Module Relearn - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2026-07-17T15:05:25+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2016-infiniti-qx80-pcm-replacement-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"2016 Infiniti QX80 Powertrain Control Module Relearn\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. 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