{"id":527150,"date":"2026-07-16T20:29:14","date_gmt":"2026-07-17T00:29:14","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=527150"},"modified":"2026-07-16T20:29:14","modified_gmt":"2026-07-17T00:29:14","slug":"1994-lexus-gs300-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/","title":{"rendered":"1994 Lexus GS300 Powertrain Control Module Replacement"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>1994 Lexus GS300 Powertrain Control Module Replacement<\/h1>\n<p class=\"hero-subtitle\">In the 1994 Lexus GS300, the Powertrain Control Module governs engine and transmission functions. A malfunction can lead to loss of communication, poor performance, or erratic shifting.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM replacement takes roughly 0.5 hours for relearn, 1.2 hours for replacement.<\/li>\n<li>Engine ECU is located in the instrument panel.<\/li>\n<li>Replacement requires access to the instrument panel and disconnecting the battery.<\/li>\n<li>Flagship One units come VIN\u2011programmed, eliminating post\u2011install programming.<\/li>\n<li>After replacement, a relearn procedure restores system functionality.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>Many owners of a 1994 Lexus GS300 notice sudden power loss, hesitation, or erratic shifting. These symptoms often stem from a failing Powertrain Control Module. Understanding how the PCM operates, where it sits in the vehicle, and what the replacement process involves can help you make an informed decision. By reviewing the typical labor times, installation steps, and post\u2011install requirements, you will know what to expect when addressing this component. This overview will equip you with the knowledge to evaluate whether a repair or a refurbished replacement is right for your vehicle.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 1994 Lexus GS300<\/h2>\n<p>The Powertrain Control Module in the 1994 Lexus GS300 acts as the central nervous system for engine and transmission coordination. It receives inputs from crankshaft and camshaft sensors, throttle position, and other inputs to manage fuel delivery, ignition timing, and shift logic. When the PCM fails, the vehicle may experience no\u2011start conditions, stalling, misfires, or shifting problems. <a href=\"https:\/\/www.fs1inc.com\/toyota-ecm-pcm-ecu-engine-computer\/lexus-ecm-pcm-ecu-engine-computer\/gs300-engine-computers.html\">replacement engine computers for the 1994 Lexus GS300<\/a> The module also processes diagnostic information; loss of communication can cause the scan tool to display no codes or random faults. Proper functioning of the PCM is therefore critical for both performance and safety. Understanding its role helps you recognize the impact of a malfunction and the importance of accurate replacement.<\/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\/1994-lexus-gs300-ecu-location-card.webp\" alt=\"1994 Lexus GS300 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">Typical PCM mounting area on the 1994 Lexus GS300 (reference).<\/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\">1.2 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\">1.0 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>Once the new PCM is installed, a relearn procedure is normally required to synchronize the module with the vehicle\u2019s operating parameters. Flagship One units arrive VIN\u2011programmed, so that the relearn step is already completed. This means you can skip the factory programming process and proceed directly to test drive verification. <a href=\"https:\/\/www.fs1inc.com\/1994-lexus-gs300-3-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">VIN\u2011programmed replacement unit<\/a> The only post\u2011install action typically needed is a quick check of the system\u2019s readiness to ensure all sensors and actuators are communicating properly.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>When the PCM in a 1994 Lexus GS300 is failing, the vehicle may exhibit a range of issues. You might notice that the engine sputters or stalls during acceleration, the car refuses to start, or the transmission shifts erratically. In some cases, the scan tool may show a dead communication error, indicating that the module cannot exchange data with other systems. A common diagnostic code associated with this problem is Powertrain Control Module Internal Failure. Addressing the PCM often restores normal operation and eliminates these symptoms.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 1994 Lexus GS300<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep the vehicle\u2019s charging system in good condition to avoid voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure all electrical connectors are clean and secure to maintain reliable contact.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid using high\u2011voltage jump\u2011start cables directly on the PCM connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Respond promptly to any diagnostic codes to prevent further damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Check that the connector seals remain intact during any maintenance.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Maintain proper battery health to support stable voltage levels.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What does the Powertrain Control Module do in a 1994 Lexus GS300?<\/h3>\n<p>The PCM processes sensor data to control fuel injection, ignition timing, and shift logic, ensuring the engine and transmission run efficiently.<\/p>\n<h3>How long does it take to replace the PCM in a 1994 Lexus GS300?<\/h3>\n<p>The documented labor time is 1.2 hours for a full replacement, with an additional 0.5 hours if a relearn cycle is performed afterward.<\/p>\n<h3>Does the new PCM need to be programmed after installation?<\/h3>\n<p>Flagship One units arrive VIN\u2011programmed, so the factory programming step is already completed and you can skip that portion.<\/p>\n<h3>What symptoms indicate a failing PCM?<\/h3>\n<p>Common signs include no\u2011start conditions, stalling, misfires, erratic shifting, and a dead communication error on the scan tool.<\/p>\n<h3>Where is the PCM located in the 1994 Lexus GS300?<\/h3>\n<p>It is mounted inside the instrument panel, requiring dashboard removal for access.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Whether you choose to repair the existing PCM or opt for a refurbished replacement, the 1994 Lexus GS300 can return to reliable performance. The replacement process is straightforward, and with a VIN\u2011programmed unit you avoid extra steps. Consider the labor times and the potential for future issues when making your decision.<\/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\/toyotalex27\/toyota-pcm-lex27-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 1994 Lexus GS300\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 1994 Lexus GS300 from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/1994-lexus-gs300-3-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 1994 Lexus GS300<\/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\/gs300-engine-computers.html\">Lexus GS300 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 1994 Lexus GS300 owner experiencing power or shifting problems should evaluate the PCM as a potential cause. With accurate replacement and a VIN\u2011programmed unit, you can restore smooth operation and confidence in your vehicle.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 1994 Lexus GS300 shows no-start or stalling, a PCM issue may be the culprit. Replace and reset to restore smooth operation.<\/p>\n","protected":false},"author":1,"featured_media":522183,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,298],"tags":[271,601,110],"class_list":["post-527150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-lexus","tag-271","tag-gs300","tag-lexus-computer"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1994 Lexus GS300 Powertrain Control Module Replacement - 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\/1994-lexus-gs300-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1994 Lexus GS300 Powertrain Control Module Replacement - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 1994 Lexus GS300 shows no-start or stalling, a PCM issue may be the culprit. Replace and reset to restore smooth operation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-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=\"2026-07-17T00:29:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"1994 Lexus GS300 Powertrain Control Module Replacement\",\"datePublished\":\"2026-07-17T00:29:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/\"},\"wordCount\":879,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1994-lexus-gs300-ecu-location-card.webp\",\"keywords\":[\"1994\",\"Gs300\",\"Lexus\"],\"articleSection\":[\"Car\",\"Lexus\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/\",\"name\":\"1994 Lexus GS300 Powertrain Control Module Replacement - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1994-lexus-gs300-ecu-location-card.webp\",\"datePublished\":\"2026-07-17T00:29:14+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1994-lexus-gs300-ecu-location-card.webp\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1994-lexus-gs300-ecu-location-card.webp\",\"width\":1200,\"height\":675,\"caption\":\"Typical ECU mounting area on the 1994 Lexus GS300 \u2014 reference card\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1994-lexus-gs300-pcm-replacement-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"1994 Lexus GS300 Powertrain Control Module Replacement\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers  Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"1994 Lexus GS300 Powertrain Control Module Replacement - Flagship One Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/","og_locale":"en_US","og_type":"article","og_title":"1994 Lexus GS300 Powertrain Control Module Replacement - Flagship One Blog","og_description":"If your 1994 Lexus GS300 shows no-start or stalling, a PCM issue may be the culprit. Replace and reset to restore smooth operation.","og_url":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2026-07-17T00:29:14+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp","type":"image\/webp"}],"author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"1994 Lexus GS300 Powertrain Control Module Replacement","datePublished":"2026-07-17T00:29:14+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/"},"wordCount":879,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp","keywords":["1994","Gs300","Lexus"],"articleSection":["Car","Lexus"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/","url":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/","name":"1994 Lexus GS300 Powertrain Control Module Replacement - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp","datePublished":"2026-07-17T00:29:14+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#primaryimage","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/1994-lexus-gs300-ecu-location-card.webp","width":1200,"height":675,"caption":"Typical ECU mounting area on the 1994 Lexus GS300 \u2014 reference card"},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/1994-lexus-gs300-pcm-replacement-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"1994 Lexus GS300 Powertrain Control Module Replacement"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers  Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/527150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=527150"}],"version-history":[{"count":1,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/527150\/revisions"}],"predecessor-version":[{"id":527151,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/527150\/revisions\/527151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media\/522183"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=527150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=527150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=527150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}