{"id":530347,"date":"2026-07-17T12:20:50","date_gmt":"2026-07-17T16:20:50","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=530347"},"modified":"2026-07-19T11:46:03","modified_gmt":"2026-07-19T15:46:03","slug":"2007-gmc-yukon-xl-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2007-gmc-yukon-xl-pcm-replacement-guide\/","title":{"rendered":"2007 GMC Yukon XL: When the Engine Computer Fails and How to Replace It"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2007 GMC Yukon XL: When the Engine Computer Fails and How to Replace It<\/h1>\n<p class=\"hero-subtitle\">The engine control module (ECM) in your 2007 GMC Yukon XL manages fuel delivery, ignition timing, and emissions systems. Failures may cause erratic engine behavior, poor performance, or complete no-start conditions due to corrupted memory or internal circuit issues.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The ECM controls critical engine functions in your Yukon XL.<\/li>\n<li>Replacement typically requires 1.4 hours of labor for removal and installation.<\/li>\n<li>A relearn procedure of 0.5 hours is needed after installation to restore proper operation.<\/li>\n<li>Factory procedure mandates capturing ECM data before removal to transfer to the new unit.<\/li>\n<li>Internal trouble codes like P0601 may indicate ECM failure.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2007 GMC Yukon XL suddenly stalls at stoplights, refuses to start, or throws cryptic check-engine codes, the engine control module (ECM) may be the culprit. This small but critical computer sits under the hood, constantly adjusting fuel, spark, and emissions to keep the 5.3L V8 running smoothly. When it fails, symptoms can range from subtle drivability quirks to a complete no-start condition. Replacing the ECM isn\u2019t just about swapping a box\u2014it involves precise labor steps, factory programming requirements, and a relearn procedure to ensure your Yukon XL behaves like new again. Understanding these details helps you avoid unnecessary repairs, recognize when the ECM is truly at fault, and choose the right replacement path for your vehicle.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2007 GMC Yukon XL<\/h2>\n<p>The engine control module in your 2007 GMC Yukon XL acts as the brain of the engine, processing data from sensors to optimize performance, fuel efficiency, and emissions. It adjusts fuel injection timing, ignition spark, and idle speed in real time, ensuring the 5.3L V8 delivers consistent power whether you\u2019re towing a trailer or cruising on the highway. A failing ECM may cause the engine to run rough, hesitate under acceleration, or even prevent the vehicle from starting. Because the module stores adaptive learning data\u2014like fuel trim adjustments and transmission shift patterns\u2014simply installing a new unit isn\u2019t enough. The replacement must be programmed with your Yukon XL\u2019s specific data to avoid drivability issues. When shopping for a replacement, you\u2019ll want to focus on <a href=\"https:\/\/www.fs1inc.com\/gm\/gmc-pcm-ecm-ecu-engine-computer\/yukon-xl-engine-computers.html\">engine control modules for the Yukon XL<\/a> that are pre-programmed to match your vehicle\u2019s VIN, eliminating the need for additional dealer programming steps.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The ECM in your 2007 GMC Yukon XL is mounted on the passenger side of the engine compartment, near the firewall. Replacing it involves disconnecting the battery, removing the air intake duct, and unbolting the module\u2019s mounting bracket. The labor time for removal and reinstallation is typically 1.4 hours, regardless of whether your Yukon XL is a 1500 or 2500 model. After installation, a relearn procedure of 0.5 hours is required to synchronize the new ECM with the vehicle\u2019s systems. This step ensures the engine runs smoothly and prevents issues like poor idle or erratic shifting. If the ECM data wasn\u2019t captured before removal, additional time may be needed to restore the vehicle\u2019s adaptive settings.<\/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\/2007-gmc-yukon-xl-pcm-location-diagram.webp\" alt=\"2007 GMC Yukon XL PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2007 GMC Yukon XL.<\/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 2007 GMC Yukon XL<\/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> any debris from around the control module connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the negative battery cable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Position<\/b> the engine wiring harness lower electrical connector and engage the retainer.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Position<\/b> the engine wiring harness upper electrical connector and engage the retainer.<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 1500<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.4 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\">Yukon XL 2500<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.4 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\">Yukon XL 1500<\/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 Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 2500<\/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 Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 1500<\/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 Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 2500<\/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 Reset<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 1500<\/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 Reset<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Yukon XL 2500<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.3 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>Factory procedure for replacing the ECM in your 2007 GMC Yukon XL requires capturing the module\u2019s data before removal. This data includes fuel trim adjustments, transmission shift patterns, and other adaptive settings unique to your vehicle. Without this step, the new ECM won\u2019t function correctly, leading to drivability issues like rough idle or poor acceleration. Once installed, a relearn procedure of 0.5 hours is necessary to complete the process. However, if you opt for <a href=\"https:\/\/www.fs1inc.com\/2007-gmc-yukon-xl-1500-5-3l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a>, these steps are already handled. The module arrives ready to install, with your Yukon XL\u2019s specific data pre-loaded, saving you time and avoiding potential programming errors at the shop.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing ECM in your 2007 GMC Yukon XL may cause a variety of symptoms, often mimicking other issues like fuel pump failure or ignition problems. Common signs include intermittent stalling, especially at idle or during deceleration, as the module loses its ability to maintain stable engine operation. You might also notice the engine cranking but not starting, or running roughly with misfires that trigger the check-engine light. Transmission shifting may become erratic, with harsh or delayed gear changes. In some cases, the vehicle may enter a reduced-power mode to protect the engine. Scan tool communication issues can also arise, where the ECM fails to respond or provides incomplete data. One of the most telling signs is the presence of internal control module codes, such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">memory checksum error<\/a>, which directly points to a fault within the ECM itself.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2007 GMC Yukon XL<\/h2>\n<p>When the ECM in your 2007 GMC Yukon XL fails, it often sets one or more internal trouble codes. These codes are stored in the module\u2019s memory and can be retrieved using a scan tool. They provide a starting point for diagnosing whether the ECM is the root cause of your vehicle\u2019s 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-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0601<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal memory checksum error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1\"><b><u>Full P0601 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-p0602-control-module-programming-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0602<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Control module programming error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#0563C1\"><b><u>Full P0602 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-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0603<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Keep-alive memory (KAM) error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1\"><b><u>Full P0603 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-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0604<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal RAM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1\"><b><u>Full P0604 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-p062f-internal-control-module-eeprom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P062F<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p062f-internal-control-module-eeprom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal EEPROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p062f-internal-control-module-eeprom-error\/\" style=\"color:#0563C1\"><b><u>Full P062F 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-p1621-control-module-long-term-memory-performance\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P1621<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p1621-control-module-long-term-memory-performance\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Control module long-term memory performance<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p1621-control-module-long-term-memory-performance\/\" style=\"color:#0563C1\"><b><u>Full P1621 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2007 GMC Yukon XL<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep your Yukon XL\u2019s battery fully charged and ensure the charging system is functioning properly to avoid voltage spikes that can damage the ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean engine grounds and ECM connectors regularly to prevent corrosion, which can disrupt communication and cause intermittent failures.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with improper voltage, as this can fry sensitive electronics, including the ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address check-engine lights promptly, especially if they involve internal control module codes, to prevent further damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the ECM\u2019s connector seals are intact to keep moisture and contaminants out, which can lead to corrosion or short circuits.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">If replacing the ECM, always follow the factory procedure for capturing and restoring data to avoid drivability issues.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if my 2007 GMC Yukon XL\u2019s ECM is bad or if it\u2019s something else?<\/h3>\n<p>Start by scanning for trouble codes. If you see internal control module codes like P0601 or P0603, the ECM is likely the issue. Symptoms like stalling, no-start conditions, or erratic shifting also point to ECM failure, but a thorough diagnosis should rule out other causes like fuel pump or ignition problems.<\/p>\n<h3>Can I replace the ECM in my Yukon XL myself, or do I need a professional?<\/h3>\n<p>Replacing the ECM is physically straightforward, but the process requires capturing the module\u2019s data before removal and performing a relearn procedure afterward. If you\u2019re not comfortable using a scan tool for these steps, a professional technician can ensure the job is done correctly.<\/p>\n<h3>What happens if I install a used ECM from another Yukon XL?<\/h3>\n<p>A used ECM may not be programmed with your vehicle\u2019s specific data, leading to drivability issues like rough idle or poor acceleration. It also risks introducing new problems if the used module is faulty. A VIN-programmed replacement is the safer choice.<\/p>\n<h3>Why does my Yukon XL need a relearn procedure after ECM replacement?<\/h3>\n<p>The relearn procedure synchronizes the new ECM with your vehicle\u2019s systems, including the transmission, fuel injectors, and idle control. Without it, the engine may run poorly or the transmission may shift erratically. The process typically takes 0.5 hours.<\/p>\n<h3>How long does it take to replace the ECM in a 2007 GMC Yukon XL?<\/h3>\n<p>Removal and installation of the ECM takes about 1.4 hours of labor. If a relearn procedure is required, add another 0.5 hours. Additional time may be needed if the module\u2019s data wasn\u2019t captured before removal.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2007 GMC Yukon XL is showing signs of ECM failure, you have two main options: repair or replacement. Repairing the existing module is rarely cost-effective, as internal failures often recur. A new or refurbished ECM, pre-programmed with your vehicle\u2019s data, is the more reliable choice. This ensures your Yukon XL runs smoothly without the need for additional dealer programming, saving you time and hassle.<\/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\/gmtypeE38\/gm-pcm-typeE38-large1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2007 GMC Yukon XL\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2007 GMC Yukon XL from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2007-gmc-yukon-xl-1500-5-3l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2007 GMC Yukon XL<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/gm\/gmc-pcm-ecm-ecu-engine-computer\/yukon-xl-engine-computers.html\">GMC Yukon XL 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 ECM in your 2007 GMC Yukon XL plays a critical role in keeping the 5.3L V8 running smoothly. When it fails, symptoms like stalling, no-start conditions, or internal control module codes can leave you stranded. Replacing the ECM involves more than just swapping a box\u2014it requires careful handling, factory programming, and a relearn procedure to restore proper function. By understanding these steps, you can make an informed decision and get your Yukon XL back on the road with confidence.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2007 GMC Yukon XL with stalling, no-start, or internal control module codes like P0601 may need an ECM replacement. Learn symptoms, labor times, and why factory programming matters for this full-size SUV.<\/p>\n","protected":false},"author":1,"featured_media":520339,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,270],"tags":[286,68,1444],"class_list":["post-530347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-gmc","tag-286","tag-gmc","tag-yukon-xl"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2007 GMC Yukon XL: When the Engine Computer Fails and How to Replace It - 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\/2007-gmc-yukon-xl-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2007 GMC Yukon XL: When the Engine Computer Fails and How to Replace It - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"2007 GMC Yukon XL with stalling, no-start, or internal control module codes like P0601 may need an ECM replacement. 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