{"id":523520,"date":"2026-07-15T20:06:20","date_gmt":"2026-07-16T00:06:20","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=523520"},"modified":"2026-07-19T10:40:10","modified_gmt":"2026-07-19T14:40:10","slug":"2016-buick-encore-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2016-buick-encore-pcm-replacement-guide\/","title":{"rendered":"2016 Buick Encore 1.4L PCM and ECM Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2016 Buick Encore 1.4L PCM and ECM Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) and Engine Control Module (ECM) in the 2016 Buick Encore 1.4L manage engine and transmission functions. Failure can cause no-start, stalling, or drivability issues. Internal trouble codes like P0601 indicate module faults.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM and ECM are critical for engine and transmission control in the 2016 Buick Encore 1.4L.<\/li>\n<li>Labor times: PCM\/ECM removal and replacement is 0.6 hours; relearn is 0.5 hours; ECM reset is 0.3 hours.<\/li>\n<li>Before removing the ECM, use a scan tool to capture existing data.<\/li>\n<li>Factory bulletin #PIP5373B addresses programming errors E4491\/E4423.<\/li>\n<li>Common failure symptoms include no-start, stalling, and trouble codes P0601-P0630.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2016 Buick Encore 1.4L is experiencing drivability problems or warning lights, the Powertrain Control Module (PCM) or Engine Control Module (ECM) may be at fault. These modules are the brain of your vehicle&#8217;s engine and transmission systems. This guide covers what these modules do, common failure symptoms, replacement labor times, and the programming steps required after installation. You&#8217;ll also learn about factory service bulletins and how a pre-programmed replacement can simplify the repair.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2016 Buick Encore<\/h2>\n<p>The Powertrain Control Module (PCM) in the 2016 Buick Encore 1.4L integrates engine and transmission control into a single unit, while the Engine Control Module (ECM) focuses solely on engine management. These modules process sensor inputs to adjust fuel delivery, ignition timing, and shift points. When they fail, the vehicle may not start, run poorly, or trigger diagnostic trouble codes. For a direct replacement, consider <a href=\"https:\/\/www.fs1inc.com\/gm\/buick-pcm-ecm-ecu-engine-computer\/encore-engine-computers.html\">replacement ECMs for the Encore<\/a> that come pre-programmed to match your vehicle&#8217;s VIN, eliminating the need for dealer-level programming. Understanding the role of these modules helps you diagnose issues accurately and choose the right repair path.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The installation procedure for the PCM\/ECM on the 2016 Buick Encore 1.4L involves removing the old module and installing the new one. The factory labor time for Powertrain Control Module removal and replacement is 0.6 hours, and for Engine Control Module removal and replacement is also 0.6 hours. A relearn procedure is required after replacement, taking 0.5 hours for the PCM or ECM. Additionally, an ECM reset is listed at 0.3 hours. Before removal, the scan tool should be used to capture ECM data. The module&#8217;s exact location is not specified in the available service data, but the labor times suggest it is accessible without major disassembly.<\/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\/2016-buick-encore-pcm-service-figure.webp\" alt=\"2016 Buick Encore PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2016 Buick Encore.<\/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 2016 Buick Encore<\/h3>\n<ol style=\"margin:14px 0 6px 0;padding-left:26px\">\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> any debris from around the control module connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the electrical connector.<\/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 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\">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\">0.6 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 Reset<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.3 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\">0.6 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After replacing the PCM or ECM on the 2016 Buick Encore 1.4L, the factory procedure requires a Powertrain Control Module Relearn (0.5 hours) or Engine Control Module Relearn (0.5 hours) and an ECM Reset (0.3 hours). However, when you choose <a href=\"https:\/\/www.fs1inc.com\/2016-buick-encore-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One, these programming steps are already completed, so the module is plug-and-play. This saves you the labor time and ensures the module is correctly configured for your vehicle&#8217;s VIN, avoiding common programming errors like those addressed in bulletin #PIP5373B.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Common symptoms of a failing ECM in the 2016 Buick Encore 1.4L include no-start conditions, stalling, misfire codes, and loss of communication with the scan tool. One specific trouble code that may appear is <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">P0601 internal control module error<\/a>, which indicates an internal ECM fault. Other codes such as P0602, P0603, P0604, P0606, P062B, P062F, and P0630 are also documented for this vehicle. These symptoms often point to a module that needs replacement rather than a simple sensor issue.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2016 Buick Encore<\/h2>\n<p>The following diagnostic trouble codes are documented for the PCM\/ECM in the 2016 Buick Encore 1.4L. These codes indicate internal module faults that typically require module replacement.<\/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>P062B<\/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-p0630-vin-not-programmed-incompatible-ecmpcm\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0630<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0630-vin-not-programmed-incompatible-ecmpcm\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module-internal fault<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0630-vin-not-programmed-incompatible-ecmpcm\/\" style=\"color:#0563C1\"><b><u>Full P0630 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>Factory service bulletin #PIP5373B (dated June 11, 2018) addresses a programming error that occurs during ECM programming, resulting in error codes E4491 or E4423. This bulletin provides guidance for technicians to resolve these errors, which may involve reflashing the module or replacing it if the error persists. Using a pre-programmed module from Flagship One can help avoid these programming-related 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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Program ECM Error E4491\/E4423 &#8211; (Jun 11, 2018)<\/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 2016 Buick Encore<\/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 ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep all ground connections and module connectors clean and tight to prevent corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with incorrect polarity or using a high-voltage booster.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic trouble codes promptly to prevent further module stress.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect the module&#8217;s connector seals for damage to keep moisture out.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What are the labor times for replacing the PCM on a 2016 Buick Encore 1.4L?<\/h3>\n<p>The factory labor time for Powertrain Control Module removal and replacement is 0.6 hours. A PCM relearn takes an additional 0.5 hours. These times are for the module itself, not including diagnosis or other repairs.<\/p>\n<h3>Do I need to program the ECM after replacement on my 2016 Buick Encore?<\/h3>\n<p>Yes, the factory procedure requires an ECM relearn (0.5 hours) and an ECM reset (0.3 hours) after replacement. However, if you purchase a VIN-programmed unit from Flagship One, these steps are already completed, saving you time and labor.<\/p>\n<h3>What does trouble code P0601 mean for a 2016 Buick Encore?<\/h3>\n<p>P0601 is an internal control module memory error. It indicates a fault within the ECM itself, often requiring module replacement. This code is one of several documented for this vehicle, including P0602 through P0630.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2016 Buick Encore 1.4L needs a new PCM or ECM, you have two options: repair the existing module or replace it with a refurbished unit. Repair is rarely cost-effective for internal faults. A pre-programmed replacement from Flagship One ensures compatibility and eliminates the need for dealer programming, making the repair straightforward.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2016-buick-encore-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2016 Buick Encore<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/gm\/buick-pcm-ecm-ecu-engine-computer\/encore-engine-computers.html\">Buick Encore 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 2016 Buick Encore 1.4L relies on its PCM and ECM for proper engine and transmission operation. Recognizing failure symptoms and understanding replacement labor times helps you plan the repair. Choosing a VIN-programmed module from Flagship One simplifies the process and gets your vehicle back on the road quickly.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn about PCM\/ECM failure symptoms, replacement labor times, and programming for the 2016 Buick Encore 1.4L. Includes trouble codes and TSB info.<\/p>\n","protected":false},"author":1,"featured_media":525255,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[359,258],"tags":[329,65,1246],"class_list":["post-523520","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buick","category-car","tag-329","tag-buick","tag-encore"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2016 Buick Encore 1.4L PCM and ECM 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\/2016-buick-encore-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2016 Buick Encore 1.4L PCM and ECM Replacement Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Learn about PCM\/ECM failure symptoms, replacement labor times, and programming for the 2016 Buick Encore 1.4L. 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