{"id":530434,"date":"2026-07-18T11:36:45","date_gmt":"2026-07-18T15:36:45","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=530434"},"modified":"2026-07-19T11:49:39","modified_gmt":"2026-07-19T15:49:39","slug":"2014-gmc-terrain-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2014-gmc-terrain-pcm-replacement-guide\/","title":{"rendered":"2014 GMC Terrain 2.4L PCM\/ECM Replacement Overview"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2014 GMC Terrain 2.4L PCM\/ECM Replacement Overview<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) and Engine Control Module (ECM) manage fuel, ignition, and transmission functions in the 2014 GMC Terrain 2.4L. Failure can cause misfires, stalling, or loss of power.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM removal takes 1.5 hours; relearn takes 0.5 hours.<\/li>\n<li>ECM removal also 1.5 hours with a 0.5 hour relearn.<\/li>\n<li>Do not touch connector pins; disconnect battery first.<\/li>\n<li>After replacement, Flagship One units come VIN\u2011programmed.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2014 GMC Terrain 2.4L is exhibiting sluggish acceleration, a check engine light, or intermittent stalling, the culprit may be the PCM or ECM. Understanding how these control units operate and how to replace them without damaging the vehicle\u2019s electronics is essential for any owner or technician. This guide explains the location, labor involved, factory programming steps, common failure symptoms, and preventive measures specific to the Terrain\u2019s 2.4L powertrain. By the end you\u2019ll know what to expect during a module swap and how to keep your vehicle running smoothly.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2014 GMC Terrain<\/h2>\n<p>The PCM in the 2014 GMC Terrain 2.4L coordinates the engine and transmission to deliver efficient power. It processes sensor inputs, calculates ignition timing, manages fuel injection, and controls shift logic. The ECM works closely with the PCM, focusing on engine\u2011specific functions such as air\u2011fuel ratio, idle control, and emission management. <a href=\"https:\/\/www.fs1inc.com\/gm\/gmc-pcm-ecm-ecu-engine-computer\/terrain-engine-computers.html\">replacement engine computers for the 2014 GMC Terrain 2.4L<\/a> The module\u2019s reliability is critical; a fault can trigger the MIL, reduce power, or cause erratic shifting, impacting both performance and safety.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM is mounted near the firewall, accessed by removing the under\u2011hood panel. Removing the unit requires 1.5 hours of labor. After removal, a 0.5 hour relearn restores the system\u2019s baseline parameters. The ECM sits adjacent to the PCM; its removal also takes 1.5 hours, followed by a 0.5 hour relearn. The procedure mandates disconnecting the negative battery cable before work begins, and the connector pins must remain untouched to avoid electrostatic discharge damage.<\/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\/2014-gmc-terrain-pcm-service-figure.webp\" alt=\"2014 GMC Terrain PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2014 GMC Terrain.<\/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 2014 GMC Terrain<\/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>Release<\/b> the plastic retaining tabs.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the electrical connectors.<\/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\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.5 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\">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 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\">1.5 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>Once the PCM or ECM is installed, the factory procedure requires a relearn sequence to re\u2011establish communication between modules. Flagship One units arrive VIN\u2011programmed, so the relearn step is effectively complete. During the installation you should still run a basic diagnostic scan to confirm module readiness. <a href=\"https:\/\/www.fs1inc.com\/2014-gmc-terrain-2-4l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\">VIN\u2011programmed replacement unit<\/a> ensures the unit is calibrated to your vehicle\u2019s specific parameters from the start.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Common signs of a failing PCM or ECM in the 2014 GMC Terrain 2.4L include a check engine light, reduced power, stalling, or misfires. Scan tools may return codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">P0601<\/a>, indicating a communication error within the engine control module. If the MIL remains on after replacement, ensure the relearn procedure was performed and that all connector pins were left undisturbed.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2014 GMC Terrain<\/h2>\n<p>The codes below point to the PCM itself rather than to a sensor or circuit it monitors. Each one links through to its full diagnostic guide.<\/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-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0605<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal ROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1\"><b><u>Full P0605 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-p0606-control-module-processor\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0606<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module processor failure<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#0563C1\"><b><u>Full P0606 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P060A<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Service Bulletin #09-06-04-026 and #09-06-04-026G address identification of non\u2011GM engine and transmission calibrations for V6 and V8 gasoline engines using Tech 2 or GDS2. Bulletin #PI1067 highlights MIL activation, reduced power mode, and DTCs related to poor performance or shifting 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\">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>09-06-04-026<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline En<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Malfunction Indicator Lamp (MIL) Light On, Reduced Power Mode, DTC Set, Poor Performance\/Shifts<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2014 GMC Terrain<\/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.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep all electrical connectors clean and free of corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump\u2011starting the vehicle with a disconnected battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic trouble codes promptly to prevent escalation.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect connector seals for integrity during routine maintenance.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use a static\u2011discharge wrist strap when handling the PCM or ECM.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What should I do if my 2014 GMC Terrain 2.4L shows a check engine light after a PCM replacement?<\/h3>\n<p>After the replacement, run a diagnostic scan to confirm the module is communicating. If the MIL remains on, verify that the relearn was completed and that all connector pins were left untouched during the swap.<\/p>\n<h3>Will a Flagship One PCM replace all functions of the original unit in my 2014 GMC Terrain 2.4L?<\/h3>\n<p>Yes, the replacement unit is fully functional and comes VIN\u2011programmed for the Terrain\u2019s 2.4L powertrain, matching the original module\u2019s performance and calibration.<\/p>\n<h3>Can I perform the PCM\/ECM replacement myself on the 2014 GMC Terrain 2.4L?<\/h3>\n<p>While the labor times are moderate, the procedure requires disconnecting the battery and handling sensitive electronics. It is recommended to have a qualified technician complete the swap to avoid potential damage.<\/p>\n<h3>What are the most common failure codes for the ECM in the 2014 GMC Terrain 2.4L?<\/h3>\n<p>The most frequently observed codes are P0601 through P0606, indicating various communication or calibration errors within the engine control module.<\/p>\n<h3>How long does the relearn process take after installing a new PCM in my 2014 GMC Terrain 2.4L?<\/h3>\n<p>The relearn procedure is typically 0.5 hours, during which the PCM recalibrates its baseline parameters to match the vehicle\u2019s current configuration.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Whether you choose a refurbished PCM\/ECM or a brand\u2011new replacement, the 2014 GMC Terrain 2.4L benefits from a module that is pre\u2011programmed to match your vehicle\u2019s VIN. This eliminates the need for manual re\u2011calibration and ensures a seamless return to reliable performance.<\/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\/gmtypeE39a\/gm-pcm-typeE39a-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2014 GMC Terrain\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2014 GMC Terrain from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2014-gmc-terrain-2-4l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2014 GMC Terrain<\/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\/terrain-engine-computers.html\">GMC Terrain 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 2014 GMC Terrain 2.4L\u2019s PCM and ECM are critical for engine and transmission control. By following proper replacement and relearn procedures, you can restore power and eliminate check engine lights. Consider a pre\u2011programmed unit for a hassle\u2011free repair.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2014 GMC Terrain 2.4L may show a check engine light or poor performance. Avoid touching connector pins during PCM\/ECM replacement to prevent electrostatic damage.<\/p>\n","protected":false},"author":1,"featured_media":525736,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,270],"tags":[268,68,1447],"class_list":["post-530434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-gmc","tag-268","tag-gmc","tag-terrain"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2014 GMC Terrain 2.4L PCM\/ECM Replacement Overview - 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\/2014-gmc-terrain-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2014 GMC Terrain 2.4L PCM\/ECM Replacement Overview - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"2014 GMC Terrain 2.4L may show a check engine light or poor performance. Avoid touching connector pins during PCM\/ECM replacement to prevent electrostatic damage.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2014-gmc-terrain-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=\"2026-07-18T15:36:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-19T15:49:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/2014-gmc-terrain-pcm-service-figure.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"650\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2014 GMC Terrain 2.4L PCM\\\/ECM Replacement Overview\",\"datePublished\":\"2026-07-18T15:36:45+00:00\",\"dateModified\":\"2026-07-19T15:49:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/\"},\"wordCount\":1179,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/2014-gmc-terrain-pcm-service-figure.webp\",\"keywords\":[\"2014\",\"GMC\",\"Terrain\"],\"articleSection\":[\"Car\",\"GMC\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2014-gmc-terrain-pcm-replacement-guide\\\/\",\"name\":\"2014 GMC Terrain 2.4L PCM\\\/ECM Replacement Overview - 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