{"id":530648,"date":"2026-07-17T10:35:48","date_gmt":"2026-07-17T14:35:48","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=530648"},"modified":"2026-07-17T10:35:48","modified_gmt":"2026-07-17T14:35:48","slug":"2001-hyundai-xg-series-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/","title":{"rendered":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2001 Hyundai XG300 PCM Replacement: What Owners Should Know<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) in your 2001 Hyundai XG300 manages engine and transmission functions. When it fails, you may experience erratic performance, no-start conditions, or warning lights due to disrupted fuel, ignition, or shift timing.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM controls critical engine and transmission operations in the 2001 Hyundai XG300.<\/li>\n<li>Replacement typically requires 1.0 hour of labor, plus 0.5 hours for relearn procedures.<\/li>\n<li>Symptoms of failure may include stalling, misfires, or communication errors with scan tools.<\/li>\n<li>Flagship One units arrive VIN-programmed, eliminating the need for post-installation programming.<\/li>\n<li>Common failure signs often involve drivability issues or stored trouble codes.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2001 Hyundai XG300 has been acting unpredictably\u2014stalling at stops, hesitating under acceleration, or refusing to start\u2014you may be dealing with a failing Powertrain Control Module (PCM). This small but critical computer oversees everything from fuel delivery to transmission shifts, and when it malfunctions, your vehicle\u2019s performance can suffer in noticeable ways. Replacing the PCM isn\u2019t just about swapping a part; it involves careful installation and, in many cases, a relearn procedure to ensure the new module communicates properly with the rest of the vehicle\u2019s systems. Understanding the role of the PCM, the symptoms of failure, and the steps involved in replacement can help you make informed decisions about repairs. Whether you\u2019re troubleshooting an existing issue or preparing for potential future problems, knowing what to expect can save time, frustration, and unnecessary costs.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2001 Hyundai XG Series<\/h2>\n<p>The Powertrain Control Module (PCM) in your 2001 Hyundai XG300 serves as the brain of the engine and transmission, coordinating fuel injection, ignition timing, and shift points to optimize performance and efficiency. Unlike older vehicles with separate engine and transmission controllers, the XG300\u2019s PCM integrates these functions into a single unit, reducing complexity but increasing the stakes if it fails. When the PCM malfunctions, it may disrupt critical signals to sensors and actuators, leading to poor drivability, reduced fuel economy, or even a complete no-start condition. The module relies on precise input from components like the crankshaft position sensor and oxygen sensors to adjust engine parameters in real time. If the PCM loses its ability to process these inputs correctly, you may notice symptoms like rough idling, hesitation, or unexpected transmission behavior. For owners considering a replacement, <a href=\"https:\/\/www.fs1inc.com\/hyundai-ecm-pcm-ecu-engine-computer\/xg-series-engine-computers.html\">replacement engine computers for the XG300<\/a> are designed to restore factory-level functionality without the need for extensive reprogramming. Given the PCM\u2019s central role, addressing issues promptly can prevent secondary damage to other components, such as the catalytic converter or transmission.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>In the 2001 Hyundai XG300, the PCM is typically located in the engine bay, mounted near the firewall or on the passenger side inner fender. Accessing the module involves removing a protective cover or panel, which may require disconnecting a few electrical connectors or fasteners. Once exposed, the PCM is secured with bolts or a mounting bracket, and its wiring harness is connected via a multi-pin connector. Replacement begins by disconnecting the battery to prevent electrical shorts, followed by carefully unplugging the harness and removing the mounting hardware. The new module is installed in reverse order, ensuring the connector is fully seated and the mounting bolts are tightened to specification. Labor guides estimate 1.0 hour for the removal and replacement process, though this may vary slightly depending on the technician\u2019s familiarity with the vehicle. After installation, a relearn procedure is often required to synchronize the new PCM with the vehicle\u2019s systems, which typically adds 0.5 hours to the job.<\/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\">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 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\">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\">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>After replacing the PCM in your 2001 Hyundai XG300, the factory procedure requires a relearn process to ensure the new module communicates correctly with the vehicle\u2019s sensors and actuators. This step is critical because the PCM must adapt to the unique characteristics of your engine and transmission, such as fuel trims and shift patterns. The relearn typically involves using a scan tool to reset adaptive values and may include driving the vehicle under specific conditions to allow the PCM to recalibrate. However, if you install <a href=\"https:\/\/www.fs1inc.com\/2001-hyundai-xg300-3-0l-pcm-engine-computer-ecm-ecu-programmed.html\">a VIN-programmed replacement unit<\/a>, these steps are already completed at the factory, saving you time and potential headaches. This pre-programming ensures the module is ready to function immediately after installation, reducing the risk of post-replacement issues like poor shifting or erratic engine behavior. While the labor guide allocates 0.5 hours for the relearn procedure, opting for a pre-programmed unit eliminates this requirement entirely, streamlining the repair process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in your 2001 Hyundai XG300 may manifest in several ways, often mimicking other mechanical or electrical issues. One of the most common signs is a no-start condition, where the engine cranks but refuses to fire, often due to the PCM failing to send the correct signals to the fuel injectors or ignition system. You may also experience intermittent stalling, particularly at idle or during deceleration, as the module struggles to maintain stable engine operation. Misfires are another frequent symptom, often accompanied by a rough idle or hesitation under acceleration, as the PCM loses its ability to precisely control ignition timing or fuel delivery. In some cases, the transmission may shift erratically or fail to engage gears properly, as the PCM also governs shift points and torque converter lockup. Warning lights on the dashboard, such as the check engine or transmission light, are common, and a scan tool may reveal codes related to communication errors or sensor malfunctions. For example, a memory checksum error could indicate internal PCM failure, often triggered by corrupted data or voltage irregularities. Other symptoms may include poor fuel economy, as the PCM fails to optimize air-fuel ratios, or even security system issues, such as the vehicle failing to recognize the key fob. If you notice any of these symptoms, it\u2019s worth investigating the PCM as a potential cause, especially if other components like sensors or wiring have been ruled out.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2001 Hyundai XG Series<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep your vehicle\u2019s battery and charging system in good condition to avoid voltage spikes that can damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure all electrical connectors, especially those related to the PCM, are clean, dry, and securely fastened to prevent corrosion or poor contact.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with improper voltage, as this can cause irreversible damage to sensitive electronics like the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any check engine or transmission warning lights promptly to prevent minor issues from escalating into major PCM-related failures.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect the PCM\u2019s mounting location periodically for signs of moisture or debris, which can lead to corrosion or short circuits over time.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use dielectric grease on connectors to protect against moisture intrusion, particularly in humid or wet climates.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if my 2001 Hyundai XG300 PCM is failing?<\/h3>\n<p>Common signs include a no-start condition, intermittent stalling, rough idling, or erratic transmission shifts. Warning lights on the dashboard, such as the check engine or transmission light, are also frequent indicators. A scan tool can help confirm PCM-related trouble codes, which often point to internal module errors or communication faults.<\/p>\n<h3>Can I replace the PCM in my 2001 Hyundai XG300 myself?<\/h3>\n<p>While it\u2019s possible for a mechanically inclined owner to replace the PCM, the process requires careful handling of electrical components and may involve a relearn procedure. If you\u2019re not familiar with automotive electronics, it\u2019s often best to have a professional perform the replacement to avoid potential issues.<\/p>\n<h3>What\u2019s the difference between the PCM and ECM in my 2001 Hyundai XG300?<\/h3>\n<p>In the XG300, the PCM (Powertrain Control Module) integrates both engine and transmission control functions into a single unit. The term ECM (Engine Control Module) is sometimes used interchangeably, but in this vehicle, the PCM handles all powertrain-related tasks, including fuel delivery, ignition timing, and shift points.<\/p>\n<h3>Why does my 2001 Hyundai XG300 need a relearn procedure after PCM replacement?<\/h3>\n<p>The relearn procedure allows the new PCM to adapt to the unique characteristics of your engine and transmission, such as fuel trims and shift patterns. Without this step, the vehicle may experience poor performance, erratic shifting, or even fail to start. A scan tool is typically required to complete the relearn process.<\/p>\n<h3>How long does it take to replace and program the PCM in a 2001 Hyundai XG300?<\/h3>\n<p>Labor guides estimate 1.0 hour for the removal and replacement of the PCM, plus an additional 0.5 hours for the relearn procedure. However, if you install a pre-programmed replacement unit, the relearn step is unnecessary, reducing the total time required.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2001 Hyundai XG300 is experiencing PCM-related issues, you have a few options for moving forward. A repair shop may attempt to diagnose and reflash the existing module, though this isn\u2019t always possible if the unit is internally damaged. Alternatively, replacing the PCM with a new or refurbished unit can restore full functionality, especially if the replacement arrives pre-programmed to your vehicle\u2019s VIN. Given the labor involved in installation and relearn procedures, opting for a ready-to-install module can save time and reduce the risk of post-repair complications.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2001-hyundai-xg300-3-0l-pcm-engine-computer-ecm-ecu-programmed.html\"><b>refurbished, VIN-programmed PCM for the 2001 Hyundai XG Series<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/hyundai-ecm-pcm-ecu-engine-computer\/xg-series-engine-computers.html\">Hyundai XG Series module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>The 2001 Hyundai XG300 relies on its PCM to manage critical engine and transmission functions, and when this module fails, it can lead to frustrating drivability issues. Understanding the symptoms of PCM failure, the steps involved in replacement, and the importance of proper programming can help you make informed decisions about repairs. Whether you choose to tackle the job yourself or leave it to a professional, addressing PCM issues promptly can prevent further damage and restore your vehicle\u2019s performance. If you\u2019re considering a replacement, a pre-programmed unit can simplify the process and get you back on the road faster.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2001 Hyundai XG300 stalls, misfires, or won\u2019t start, a failing PCM may be the cause. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.<\/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":[258,279],"tags":[277,280,1449],"class_list":["post-530648","post","type-post","status-publish","format-standard","hentry","category-car","category-hyundai","tag-277","tag-hyundai","tag-xg-series"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2001 Hyundai XG300 PCM Replacement: What Owners Should Know - 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\/2001-hyundai-xg-series-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2001 Hyundai XG300 PCM Replacement: What Owners Should Know - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2001 Hyundai XG300 stalls, misfires, or won\u2019t start, a failing PCM may be the cause. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-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=\"2026-07-17T14:35:48+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=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2001 Hyundai XG300 PCM Replacement: What Owners Should Know\",\"datePublished\":\"2026-07-17T14:35:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/\"},\"wordCount\":1692,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"keywords\":[\"2001\",\"Hyundai\",\"XG Series\"],\"articleSection\":[\"Car\",\"Hyundai\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/\",\"name\":\"2001 Hyundai XG300 PCM Replacement: What Owners Should Know - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2026-07-17T14:35:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2001-hyundai-xg-series-pcm-replacement-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"2001 Hyundai XG300 PCM Replacement: What Owners Should Know\"}]},{\"@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":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know - 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\/2001-hyundai-xg-series-pcm-replacement-guide\/","og_locale":"en_US","og_type":"article","og_title":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know - Flagship One Blog","og_description":"If your 2001 Hyundai XG300 stalls, misfires, or won\u2019t start, a failing PCM may be the cause. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.","og_url":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-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":"2026-07-17T14:35:48+00:00","author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know","datePublished":"2026-07-17T14:35:48+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/"},"wordCount":1692,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"keywords":["2001","Hyundai","XG Series"],"articleSection":["Car","Hyundai"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/","url":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/","name":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"datePublished":"2026-07-17T14:35:48+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/2001-hyundai-xg-series-pcm-replacement-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"2001 Hyundai XG300 PCM Replacement: What Owners Should Know"}]},{"@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\/530648","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=530648"}],"version-history":[{"count":1,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/530648\/revisions"}],"predecessor-version":[{"id":530649,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/530648\/revisions\/530649"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=530648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=530648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=530648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}