{"id":530428,"date":"2026-07-17T09:50:50","date_gmt":"2026-07-17T13:50:50","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=530428"},"modified":"2026-07-19T11:49:26","modified_gmt":"2026-07-19T15:49:26","slug":"2014-gmc-acadia-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2014-gmc-acadia-pcm-replacement-guide\/","title":{"rendered":"2014 GMC Acadia Engine Control Module Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2014 GMC Acadia Engine Control Module Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The Engine Control Module in a 2014 GMC Acadia manages fuel injection, ignition timing, and emissions control. A failure can trigger the malfunction indicator lamp, cause loss of power, or prevent the engine from starting, often logged as internal processor codes.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>Removal requires about 0.9\u202fhours of labor according to the factory guide.<\/li>\n<li>Relearn of the Powertrain Control Module typically adds 0.5\u202fhours.<\/li>\n<li>Capture ECM data with a scan tool before removal.<\/li>\n<li>New ECMs must be programmed with the correct vehicle calibration.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2014 GMC Acadia experiences engine\u2011control issues, the ECM often becomes the focus of diagnosis. This guide walks you through what the module does, how to access it, the programming steps required after replacement, and how to avoid common pitfalls. By the end, you\u2019ll understand the labor involved, the safety cautions, and why a VIN\u2011programmed unit can simplify the process.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2014 GMC Acadia<\/h2>\n<p>In the 2014 GMC Acadia, the Engine Control Module acts as the brain for the gasoline V6, interpreting sensor data to control fuel delivery, spark timing, and emissions functions. Its proper operation is essential for smooth acceleration and compliance with emission standards. <a href=\"https:\/\/www.fs1inc.com\/gm\/gmc-pcm-ecm-ecu-engine-computer\/acadia-engine-computers.html\">replacement engine computers for the 2014 Acadia<\/a> ensure the vehicle runs as engineered, and any fault can lead to drivability concerns or diagnostic trouble codes.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The ECM is mounted on brackets within the engine compartment and is secured by a retaining tab. To remove it, gently lift the tab, then pull the module upward out of its support brackets. The factory labor guide assigns 0.9\u202fhours for removal and re\u2011installation. Take care not to touch the connector pins to avoid static discharge, and follow the caution to keep the connector seals intact during the operation.<\/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-acadia-pcm-location-diagram.webp\" alt=\"2014 GMC Acadia PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2014 GMC Acadia.<\/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 Acadia<\/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>Disconnect<\/b> the engine wiring harness middle and lower electrical connectors from.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the engine wiring harness upper electrical connector from the ECM.<\/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\">0.9 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\">0.9 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After installing a new ECM, the factory procedure calls for a relearn of the Powertrain Control Module, which typically takes 0.5\u202fhours, and a specific ECM calibration using special equipment. <a href=\"https:\/\/www.fs1inc.com\/2014-gmc-acadia-3-6l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One arrives already matched to your vehicle, so those programming steps are completed before the unit reaches you.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing ECM in a 2014 GMC Acadia may cause the engine to stall, refuse to start, or trigger a variety of diagnostic codes. You might see the MIL illuminated and retrieve codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">processor communication error<\/a> during a scan. Other signs include rough idle, loss of power, or intermittent loss of sensor data, all of which point to the module\u2019s internal communication problems.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2014 GMC Acadia<\/h2>\n<p>The following internal trouble codes are documented for the 2014 GMC Acadia\u2019s Engine Control Module:<\/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-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<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>Service bulletin PI1082, dated October\u202f10\u202f2013, addresses a MIL on condition with DTC P069E set. Bulletin 09\u201106\u201104\u2011026 (and 09\u201106\u201104\u2011026G) from March\u202f19\u202f2013 provides guidance for identifying non\u2011GM aftermarket calibrations for V6 and V8 gasoline engines using Tech\u202f2 or GDS\u202f2.<\/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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Malfunction Indicator Lamp (MIL) On, DTC P069E Set &#8211; (Oct 10, 2013)<\/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\"><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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2014 GMC Acadia<\/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 avoid voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean ground connections and connector pins regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use proper jump\u2011start procedures to protect electronic modules.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly before they worsen.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep connector seals and protective covers intact.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What is the typical labor time to replace the ECM on a 2014 GMC Acadia?<\/h3>\n<p>The factory book time lists about 0.9\u202fhours for removal and re\u2011installation of the Engine Control Module.<\/p>\n<h3>Do I need special equipment to program a new ECM in my Acadia?<\/h3>\n<p>Yes, the factory procedure requires the correct program and calibration tools, but a VIN\u2011programmed unit from Flagship One eliminates that step.<\/p>\n<h3>Can static electricity damage the ECM during removal?<\/h3>\n<p>The factory caution advises not to touch the connector pins and to lift the module gently to prevent electrostatic discharge damage.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the ECM needs service on a 2014 GMC Acadia, you can choose a professional repair or a refurbished replacement. Both options require the same access steps, but a VIN\u2011programmed unit from Flagship One arrives ready for installation, reducing the post\u2011install programming workload.<\/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 Acadia\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2014 GMC Acadia from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2014-gmc-acadia-3-6l-ecm-engine-computer-pcm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2014 GMC Acadia<\/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\/acadia-engine-computers.html\">GMC Acadia module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>Replacing the Engine Control Module in your 2014 GMC Acadia follows a clear procedure and benefits from a VIN\u2011programmed replacement that streamlines calibration. Consider your options and ensure the work is done with the proper cautions for lasting reliability.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2014 GMC Acadia shows MIL on, avoid electrostatic damage during ECM work and learn the steps to replace and program the module safely.<\/p>\n","protected":false},"author":1,"featured_media":520372,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,270],"tags":[268,645,68],"class_list":["post-530428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-gmc","tag-268","tag-acadia","tag-gmc"],"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 Acadia Engine Control Module Replacement Guide - 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-acadia-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 Acadia Engine Control Module Replacement Guide - 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