{"id":530387,"date":"2026-07-17T09:49:12","date_gmt":"2026-07-17T13:49:12","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=530387"},"modified":"2026-07-19T11:47:47","modified_gmt":"2026-07-19T15:47:47","slug":"2010-gmc-yukon-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2010-gmc-yukon-pcm-replacement-guide\/","title":{"rendered":"2010 GMC Yukon PCM\/ECM Replacement Guide &#8211; Symptoms &#038; Programming"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2010 GMC Yukon PCM\/ECM Replacement Guide &#8211; Symptoms &amp; Programming<\/h1>\n<p class=\"hero-subtitle\">The powertrain control module (PCM) or engine control module (ECM) in a 2010 GMC Yukon is the central computer that manages engine timing, fuel delivery, transmission shifts, and emissions. Failure often causes drivability issues, no-start conditions, or stored diagnostic trouble codes.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM\/ECM replacement book time for a 2010 GMC Yukon is 1.4 hours.<\/li>\n<li>After installing a new module, a relearn procedure is required, taking 0.5 hours.<\/li>\n<li>Before removing the ECM, use a scan tool to capture its data to avoid losing calibration.<\/li>\n<li>Common failure codes for this module include P0601, P0602, P0603, P0604, P062F, and P1621.<\/li>\n<li>A VIN-programmed replacement unit from Flagship One eliminates the need for post-install programming.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If you own a 2010 GMC Yukon with the 5.3L engine and are experiencing erratic drivability, a no-start condition, or a persistent check engine light, the powertrain control module (PCM) or engine control module (ECM) may be at fault. This module acts as the brain of your vehicle&#8217;s engine and transmission management system, interpreting sensor data and commanding fuel injectors, ignition timing, and shift solenoids. When it fails, the entire powertrain can behave unpredictably. This guide explains what the PCM\/ECM does in your Yukon, where it is located, how replacement is performed, and what symptoms to watch for. You will also learn about the factory programming requirements and how a pre-programmed replacement unit can simplify the repair. Understanding these details helps you make an informed decision about repairing or replacing the module, saving time and avoiding unnecessary diagnostic steps.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2010 GMC Yukon<\/h2>\n<p>The powertrain control module (PCM) in a 2010 GMC Yukon is a single unit that combines engine and transmission control functions. It receives input from sensors such as the crankshaft position, throttle position, oxygen sensors, and mass airflow sensor, then adjusts fuel delivery, spark timing, and transmission shift patterns accordingly. In this specific vehicle, the PCM also manages the variable valve timing (VVT) system and the electronic throttle control. A failing PCM can cause a range of issues from rough idle to complete no-start. When you need to replace this module, you have options: a new OEM unit, a remanufactured one, or a pre-programmed unit from a specialist. For the 2010 GMC Yukon, <a href=\"https:\/\/www.fs1inc.com\/gm\/gmc-pcm-ecm-ecu-engine-computer\/yukon-engine-computers.html\">replacement engine computers for the Yukon<\/a> are available that come ready to install, with the VIN and calibration already loaded. This avoids the need for a dealer visit for programming. The PCM is critical for emissions compliance and overall performance, so using a correctly programmed unit is essential.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM\/ECM in a 2010 GMC Yukon is typically mounted under the hood, on the passenger side near the firewall, often inside a metal bracket or attached to the inner fender. To access it, you may need to remove a plastic cover or air intake duct. The factory book time for removing and replacing the powertrain control module is 1.4 hours. This includes disconnecting the battery, unplugging the electrical connectors, unbolting the module, and installing the new unit. After installation, a powertrain control module relearn procedure is required, which adds 0.5 hours of labor. The relearn process involves using a scan tool to reset adaptive values and ensure proper communication with the vehicle&#8217;s systems. It is important to follow the correct sequence: capture existing ECM data with a scan tool before removal, as noted in the factory procedure.<\/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\/2010-gmc-yukon-pcm-location-diagram.webp\" alt=\"2010 GMC Yukon PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2010 GMC Yukon.<\/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 2010 GMC Yukon<\/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<\/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 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<\/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 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<\/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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>The factory procedure for replacing the ECM in a 2010 GMC Yukon requires that you first use a scan tool to capture the existing ECM data before removing the module. This data includes VIN, calibration, and learned values. After installing the new module, a relearn procedure must be performed, which takes 0.5 hours. This relearn typically involves a drive cycle or scan tool commands to synchronize the module with the vehicle. However, when you purchase <a href=\"https:\/\/www.fs1inc.com\/2010-gmc-yukon-5-3l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One, the module arrives with your vehicle&#8217;s VIN and factory calibration already loaded. This means the capture and relearn steps are already completed, so you can install the unit and start the engine without additional programming. This saves time and ensures the module is ready to operate correctly from the moment it is installed.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM\/ECM in a 2010 GMC Yukon can produce a variety of symptoms. The most common is a no-start condition where the engine cranks but does not fire, often due to loss of fuel injector or ignition control. You may also experience intermittent stalling, rough idle, or hesitation during acceleration. The check engine light may illuminate with codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">anchor text<\/a> (P0601 internal control module fault) or other module-internal codes. Transmission shifting may become erratic, with harsh or delayed shifts, because the PCM controls shift solenoids. Another symptom is a dead scan-tool communication: when you connect a diagnostic tool, it cannot communicate with the PCM, indicating a complete module failure. Misfire codes may appear without a clear cause, and fuel economy may drop noticeably. If you notice any of these issues, especially in combination, the PCM should be inspected.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2010 GMC Yukon<\/h2>\n<p>The following diagnostic trouble codes are specific to the PCM\/ECM internal functions in a 2010 GMC Yukon. These codes indicate faults within the module itself rather than external sensors or circuits.<\/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 2010 GMC Yukon<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain a healthy charging system; voltage spikes from a failing alternator can damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep battery terminals and ground connections clean and tight to ensure stable voltage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting with a running vehicle; use a battery charger or follow proper jump-start procedures.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic trouble codes promptly before they lead to module damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect the PCM connector seals for moisture or corrosion, especially after engine bay cleaning.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use a quality scan tool to monitor module data and catch early signs of failure.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if the PCM in my 2010 GMC Yukon is bad?<\/h3>\n<p>Common signs include no-start, stalling, erratic shifting, and check engine light with codes like P0601. A scan tool that cannot communicate with the PCM is a strong indicator of failure.<\/p>\n<h3>Can I replace the PCM in my 2010 GMC Yukon myself?<\/h3>\n<p>Yes, if you have basic mechanical skills. The book time is 1.4 hours. You will need to disconnect the battery, unplug connectors, and unbolt the module. However, programming is required unless you buy a pre-programmed unit.<\/p>\n<h3>What is the difference between PCM and ECM for a 2010 GMC Yukon?<\/h3>\n<p>In this vehicle, the PCM (powertrain control module) controls both engine and transmission. The term ECM (engine control module) is sometimes used interchangeably, but the factory service information refers to both. The module is a single unit.<\/p>\n<h3>Do I need to capture ECM data before removing the module on a 2010 GMC Yukon?<\/h3>\n<p>Yes, the factory procedure states to use a scan tool to capture the ECM data before removal. This preserves the VIN and calibration. A pre-programmed unit from Flagship One already has this data, so you can skip that step.<\/p>\n<h3>What does the relearn procedure involve for a 2010 GMC Yukon PCM?<\/h3>\n<p>The relearn takes 0.5 hours and typically requires a scan tool to reset adaptive values and perform a crank learn. Some vehicles also need a specific drive cycle. A pre-programmed unit eliminates this step.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2010 GMC Yukon&#8217;s PCM fails, you have two main options: have a shop install a new OEM module and pay for programming, or choose a refurbished replacement that comes pre-programmed. For the Yukon, a refurbished unit from a trusted supplier can be a cost-effective solution that avoids dealer labor. Ensure the replacement is specifically for your 5.3L engine and VIN to guarantee compatibility.<\/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 2010 GMC Yukon\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2010 GMC Yukon from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2010-gmc-yukon-5-3l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2010 GMC Yukon<\/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-engine-computers.html\">GMC Yukon 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 PCM\/ECM in your 2010 GMC Yukon is a vital component that controls engine and transmission performance. Recognizing symptoms like no-start, stalling, or trouble codes P0601-P1621 can help you diagnose a failing module. Whether you repair or replace, using a pre-programmed unit simplifies the process and gets your Yukon back on the road quickly.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2010 GMC Yukon has no-start, stalling, or check engine light with codes P0601-P1621, the PCM\/ECM may need replacement. Capture data before removal.<\/p>\n","protected":false},"author":1,"featured_media":520355,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,270],"tags":[441,68,657],"class_list":["post-530387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-gmc","tag-441","tag-gmc","tag-yukon"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2010 GMC Yukon PCM\/ECM Replacement Guide - Symptoms &amp; Programming - 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\/2010-gmc-yukon-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2010 GMC Yukon PCM\/ECM Replacement Guide - Symptoms &amp; Programming - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2010 GMC Yukon has no-start, stalling, or check engine light with codes P0601-P1621, the PCM\/ECM may need replacement. 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