{"id":527508,"date":"2026-07-16T20:43:52","date_gmt":"2026-07-17T00:43:52","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=527508"},"modified":"2026-07-16T20:43:52","modified_gmt":"2026-07-17T00:43:52","slug":"2016-lexus-lx570-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2016-lexus-lx570-pcm-replacement-guide\/","title":{"rendered":"2016 Lexus LX570 PCM Replacement and Relearn"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2016 Lexus LX570 PCM Replacement and Relearn<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module in the 2016 Lexus LX570 manages engine timing, fuel delivery, and transmission shift logic. Failure of this unit can trigger misfires, loss of power, or complete loss of engine communication.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM controls engine and transmission functions.<\/li>\n<li>Replacement requires disconnecting the negative battery cable.<\/li>\n<li>Relearn procedures are necessary after a new unit is installed.<\/li>\n<li>The module is accessed by removing the cable and a connector holder block.<\/li>\n<li>The module is VIN\u2011programmed by Flagship One.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>You\u2019ve probably noticed a sudden loss of power, a check engine light, or an erratic shift pattern in your 2016 Lexus LX570. Those symptoms can point to a failing Powertrain Control Module (PCM). Understanding the role of this unit, how to replace it, and the steps that follow will help you determine whether a repair or a refurbished replacement is the right choice for your vehicle. This guide covers the PCM\u2019s function, its location, the relearn process, common failure symptoms, and practical tips to keep the module healthy. By the end, you\u2019ll know exactly what to expect during a replacement and how Flagship One\u2019s VIN\u2011programmed units streamline the process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2016 Lexus LX570<\/h2>\n<p>The PCM is the central nervous system of the 2016 Lexus LX570, coordinating engine timing, fuel injection, and transmission shift logic. It processes data from crankshaft sensors, throttle position sensors, and other inputs to deliver precise control of the engine\u2019s performance. A malfunctioning PCM can lead to rough idling, stalling, or a complete loss of engine communication, which is why it is a critical component. <a href=\"https:\/\/www.fs1inc.com\/toyota-ecm-pcm-ecu-engine-computer\/lexus-ecm-pcm-ecu-engine-computer\/lx570-engine-computers.html\">replacement engine computers for the Lexus LX570<\/a> The PCM\u2019s integration with the vehicle\u2019s electrical architecture means that any fault can ripple through the drivetrain, affecting acceleration, fuel economy, and shift quality.<\/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 located in the engine bay, behind the engine cover. To access it, you first remove the cable that connects to the negative battery terminal. After that, the connector holder block must be extracted to reach the module. The replacement procedure is book\u2011timed: Powertrain Control Module Relearn takes 0.5 hours, Powertrain Control Module R&amp;R takes 0.8 hours, Engine Control Module Reset takes 0.3 hours, Engine Control Module R&amp;R takes 0.8 hours, and Engine Control Module Relearn takes 0.5 hours.<\/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\/2016-lexus-lx570-pcm-service-figure.webp\" alt=\"2016 Lexus LX570 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2016 Lexus LX570.<\/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 2016 Lexus LX570<\/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> cable from negative battery terminal.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> connector holder block.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Raise<\/b> the 2 levers while pushing the locks on the 2 levers.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the 2 connectors.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the 4 bolts and ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> gasket.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the tape of the gasket without using bladed objects.<\/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\">0.8 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 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\">0.8 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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After installing a new PCM, the factory requires a relearn sequence to ensure the new unit correctly interprets the vehicle\u2019s unique sensor data. Flagship One units are shipped VIN\u2011programmed, so that relearn step is already completed. The replacement process therefore skips the relearn phase, saving you time and avoiding potential misconfigurations. <a href=\"https:\/\/www.fs1inc.com\/2016-lexus-lx570-5-7l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> The factory procedure still mandates a reset of the engine control module and a reset of the powertrain control module, each taking 0.3 and 0.5 hours respectively.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Common indications of a failing PCM in a 2016 Lexus LX570 include a sudden loss of power, erratic shift patterns, engine misfires, or a check engine light that remains on after a jump\u2011start. The PCM may also fail to communicate with a scan tool, making diagnostics difficult. A documented fault code for this vehicle is P0606, which signals a communication issue between the PCM and other modules. <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\">communication error between PCM and other modules<\/a> If you notice any of these symptoms, it is advisable to inspect the PCM\u2019s wiring, connectors, and the battery\u2019s negative terminal for corrosion or damage.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2016 Lexus LX570<\/h2>\n<p>The 2016 Lexus LX570\u2019s PCM can generate internal trouble codes that help diagnose its condition. These codes are listed in the vehicle\u2019s service manual and are essential for pinpointing the root cause of performance issues.<\/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-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>Protecting the PCM in Your 2016 Lexus LX570<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep the battery\u2019s negative terminal clean and free of corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all PCM connectors and grounds regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid using high\u2011voltage jump\u2011starter cables directly on the PCM connectors.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly to prevent further damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Maintain the integrity of connector seals to prevent moisture ingress.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Verify that the battery\u2019s charging system is operating within spec.<\/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 Lexus LX570\u2019s PCM is not communicating with the scan tool?<\/h3>\n<p>First, check the battery\u2019s negative cable for corrosion or a loose connection. If the cable appears intact, inspect the connector holder block for damage or debris. If those are fine, consider a PCM replacement or a refurbished unit, especially if the vehicle is still under warranty.<\/p>\n<h3>How long does the relearn process take for a 2016 Lexus LX570 PCM replacement?<\/h3>\n<p>The relearn step is typically 0.5 hours, but with a VIN\u2011programmed replacement from Flagship One, the relearn is pre\u2011done, so the overall job time is reduced to the sum of the removal and reset times.<\/p>\n<h3>Can I use a refurbished PCM for my 2016 Lexus LX570 instead of a brand new one?<\/h3>\n<p>Yes, a refurbished unit that is VIN\u2011programmed can be a cost\u2011effective alternative. It will undergo the same reset procedures, and the factory relearn is already completed.<\/p>\n<h3>Is it safe to disconnect the battery cable before removing the PCM?<\/h3>\n<p>The factory caution states that after turning the engine switch off, a waiting period may be necessary before disconnecting the battery cable. Make sure to observe the recommended waiting time to avoid accidental short circuits.<\/p>\n<h3>What is the typical impact on engine performance when a PCM fails in a 2016 Lexus LX570?<\/h3>\n<p>A failed PCM can cause misfires, stalling, or a complete loss of engine communication, leading to a noticeable drop in power and acceleration. Prompt replacement usually restores full performance.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Whether you choose a repair or a refurbished replacement, the 2016 Lexus LX570\u2019s PCM can be restored with a precise, time\u2011tested procedure. The replacement process is straightforward, and a VIN\u2011programmed unit from Flagship One eliminates the need for a relearn step, giving you peace of mind and a faster return to the road.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2016-lexus-lx570-5-7l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2016 Lexus LX570<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/toyota-ecm-pcm-ecu-engine-computer\/lexus-ecm-pcm-ecu-engine-computer\/lx570-engine-computers.html\">Lexus LX570 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 2016 Lexus LX570 that experiences PCM issues should be inspected promptly. By understanding the module\u2019s role, location, and relearn process, you can make an informed decision about repair versus replacement. If you need help, consult a qualified technician or reach out for a refurbished PCM solution.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Trouble codes, battery disconnect cautions, and relearn steps for a 2016 Lexus LX570 PCM repair.<\/p>\n","protected":false},"author":1,"featured_media":525830,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,298],"tags":[329,110,1334],"class_list":["post-527508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-lexus","tag-329","tag-lexus-computer","tag-lx570"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2016 Lexus LX570 PCM 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\/2016-lexus-lx570-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 Lexus LX570 PCM Replacement and Relearn - 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