{"id":523801,"date":"2026-07-15T22:19:09","date_gmt":"2026-07-16T02:19:09","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=523801"},"modified":"2026-07-19T10:49:35","modified_gmt":"2026-07-19T14:49:35","slug":"2009-cadillac-escalade-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2009-cadillac-escalade-pcm-replacement-guide\/","title":{"rendered":"2009 Cadillac Escalade ECM Replacement: What Owners Should Know"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2009 Cadillac Escalade ECM Replacement: What Owners Should Know<\/h1>\n<p class=\"hero-subtitle\">The Engine Control Module (ECM) in the 2009 Cadillac Escalade manages fuel delivery, ignition timing, and emissions systems. Failure may cause drivability issues, stalling, or trouble codes related to internal memory faults.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The ECM controls critical engine functions in the 2009 Escalade.<\/li>\n<li>Replacement typically requires 1.4 hours of labor for removal and installation.<\/li>\n<li>A 0.5-hour relearn procedure is needed after module replacement.<\/li>\n<li>Factory programming requires capturing ECM data before removal.<\/li>\n<li>Internal faults may trigger codes like P0601 or P0603.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2009 Cadillac Escalade has developed intermittent stalling, a no-start condition, or unexplained cruise control dropouts, the Engine Control Module (ECM) may be the culprit. This small but critical computer oversees fuel injection, spark timing, and emissions systems. When it fails, symptoms can range from subtle performance hiccups to complete engine shutdown. Understanding the replacement process, labor requirements, and programming steps helps you make informed decisions about repairs. This guide covers what the ECM does, where it\u2019s located, common failure signs, and what to expect during replacement\u2014so you can address issues efficiently and avoid unnecessary downtime.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2009 Cadillac Escalade<\/h2>\n<p>The Engine Control Module in your 2009 Cadillac Escalade acts as the brain of the engine, continuously adjusting fuel mixture, ignition timing, and idle speed to optimize performance and emissions. It also interfaces with the transmission control module to ensure smooth shifting. A failing ECM may cause erratic engine behavior, reduced fuel economy, or even prevent the vehicle from starting. Because the module stores adaptive learning data, sudden failure can leave you stranded. When replacement becomes necessary, choosing <a href=\"https:\/\/www.fs1inc.com\/gm\/cadillac-pcm-ecm-ecu-engine-computer\/escalade-engine-computers.html\">replacement engine computers for the Escalade<\/a> ensures compatibility with your vehicle\u2019s specific engine and transmission configuration.<\/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 the 2009 Cadillac Escalade 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 unplugging the wiring harness. The module is secured with a single bolt, making access straightforward for a technician. Labor guides estimate 1.4 hours for removal and reinstallation across all Escalade body styles, including the ESV and EXT models. After installation, a relearn procedure is required, which typically takes an additional 0.5 hours to complete. No special tools are specified, but care must be taken to avoid damaging connectors during removal.<\/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\/2009-cadillac-escalade-pcm-location-diagram.webp\" alt=\"2009 Cadillac Escalade PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2009 Cadillac Escalade.<\/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 2009 Cadillac Escalade<\/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 battery and battery tray.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the under hood electrical center.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the ECM from the bracket.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Position<\/b> the engine wiring harness electrical connectors and engage the retainers.<\/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\">Escalade<\/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\">Escalade ESV<\/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\">Escalade EXT<\/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\">Escalade<\/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\">Escalade ESV<\/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\">Escalade EXT<\/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\">Escalade<\/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\">Engine Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Escalade ESV<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.4 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>Before removing the ECM from your 2009 Escalade, the factory procedure requires using a scan tool to capture the module\u2019s data. This step preserves critical vehicle-specific settings, including fuel trims and transmission adaptations. After installing a new unit, the ECM must be reprogrammed to match your vehicle\u2019s VIN and configuration. However, <a href=\"https:\/\/www.fs1inc.com\/2009-cadillac-escalade-6-2l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> arrives pre-configured, eliminating the need for on-site programming. This saves time and reduces the risk of errors during the relearn process, which still requires 0.5 hours to complete after installation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing ECM in the 2009 Cadillac Escalade may cause a range of drivability issues. Common symptoms include intermittent stalling, rough idle, or a no-start condition. Some owners report cruise control disengaging unexpectedly, particularly in cold weather or when using accessories like heated windshield washers. The module may also trigger internal fault codes, such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">memory checksum error<\/a>, indicating corruption in the ECM\u2019s programming. If your scan tool fails to communicate with the module, it could signal a complete failure. Shifting problems or delayed throttle response may also occur, as the ECM coordinates with the transmission control module.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2009 Cadillac Escalade<\/h2>\n<p>The 2009 Cadillac Escalade\u2019s ECM may generate specific trouble codes when internal faults occur. These codes typically point to memory corruption, communication errors, or adaptive learning failures within the module itself.<\/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>Factory Service Bulletins Worth Knowing<\/h2>\n<p>GM service bulletin #09-08-68-001 addresses an issue where the cruise control may turn off during operation. This typically happens when pulling up and releasing both driver-side window switches or activating the heated windshield washer system in cold weather, especially if the battery charge is below 80%. The bulletin recommends reprogramming the ECM to resolve the issue. While not a direct ECM failure, this symptom highlights how module software can affect accessory systems in the Escalade.<\/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\">Bulletin<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Subject<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">What It Addresses<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>09-08-68-001<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Cruise Control Turns Off During Operation (Reprogram ECM) &#8211; (Nov 13, 2009)<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">On rare occasions, some customers may comment that the cruise control turned off. This typically occurs during operation and while pulling up and releasing\u2026<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2009 Cadillac Escalade<\/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 to prevent voltage spikes that may damage the ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep battery terminals and ECM connectors clean and free of corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with excessive voltage or incorrect polarity.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address trouble codes promptly to prevent cascading electrical issues.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the ECM\u2019s connector seals remain intact to prevent moisture intrusion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use a battery tender during long periods of inactivity to preserve voltage stability.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if my 2009 Escalade\u2019s ECM needs replacement?<\/h3>\n<p>Common signs include a no-start condition, stalling, or trouble codes like P0601 or P0603. If your scan tool cannot communicate with the ECM, the module may have failed. Cruise control dropouts, particularly in cold weather, may also indicate an issue.<\/p>\n<h3>Can I replace the ECM in my 2009 Escalade myself?<\/h3>\n<p>While the ECM is accessible, replacement requires capturing module data before removal and completing a relearn procedure afterward. A scan tool and familiarity with vehicle electronics are necessary. Most owners prefer professional installation to avoid programming errors.<\/p>\n<h3>What happens if I don\u2019t reprogram the ECM after replacement?<\/h3>\n<p>Without reprogramming, the new ECM may not recognize your vehicle\u2019s VIN or adaptive settings. This can lead to poor engine performance, shifting issues, or even a no-start condition. A relearn procedure is required to ensure proper operation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the ECM in your 2009 Cadillac Escalade fails, you have options. A dealer repair may involve programming delays, while a refurbished replacement unit can restore functionality quickly. Given the labor time involved, choosing a pre-programmed module ensures the job is completed efficiently, minimizing downtime for your vehicle.<\/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 2009 Cadillac Escalade\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2009 Cadillac Escalade from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2009-cadillac-escalade-6-2l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2009 Cadillac Escalade<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/gm\/cadillac-pcm-ecm-ecu-engine-computer\/escalade-engine-computers.html\">Cadillac Escalade 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 2009 Cadillac Escalade relies on its ECM to manage critical engine functions, and failure can lead to frustrating drivability issues. Understanding the replacement process, labor requirements, and programming steps helps you address problems proactively. Whether you opt for a dealer repair or a pre-programmed replacement, ensuring the module is correctly installed and configured keeps your Escalade running smoothly.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2009 Cadillac Escalade owners may experience cruise control dropouts or no-start conditions due to ECM failure. Learn symptoms, labor times, and programming steps for a smooth repair.<\/p>\n","protected":false},"author":1,"featured_media":519969,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[450,258],"tags":[264,66,870],"class_list":["post-523801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cadillac","category-car","tag-264","tag-cadillac","tag-escalade"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2009 Cadillac Escalade ECM 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\/2009-cadillac-escalade-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2009 Cadillac Escalade ECM Replacement: What Owners Should Know - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"2009 Cadillac Escalade owners may experience cruise control dropouts or no-start conditions due to ECM failure. 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