{"id":524790,"date":"2026-07-16T02:38:58","date_gmt":"2026-07-16T06:38:58","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=524790"},"modified":"2026-07-19T11:32:15","modified_gmt":"2026-07-19T15:32:15","slug":"2017-chevrolet-trax-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2017-chevrolet-trax-pcm-replacement-guide\/","title":{"rendered":"2017 Chevrolet Trax 1.4L PCM\/ECM Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2017 Chevrolet Trax 1.4L PCM\/ECM Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The powertrain control module (PCM) or engine control module (ECM) in your 2017 Chevrolet Trax 1.4L is the computer that manages fuel delivery, ignition timing, and emissions. When it fails, the engine may not start, stall, or run poorly.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The ECM on the 2017 Chevrolet Trax 1.4L controls fuel, spark, and emissions; failure often causes no-start or stalling.<\/li>\n<li>Book time for ECM replacement is 0.6 hours, plus 0.5 hours for a relearn procedure.<\/li>\n<li>A factory service bulletin (#17139) addresses ECM printed circuit board delamination on certain 2017 Trax models.<\/li>\n<li>Flagship One supplies a VIN-programmed ECM that eliminates the need for a dealer relearn.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2017 Chevrolet Trax 1.4L has developed a no-start, intermittent stalling, or check engine light with internal control module codes, the engine control module (ECM) may be at fault. This computer governs the engine&#8217;s air-fuel mixture, ignition timing, and emissions system. Replacing it is straightforward, but the factory requires a relearn procedure afterward. This guide explains what the ECM does, where it is located, the labor involved, and how a pre-programmed unit from Flagship One can save you time and money.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2017 Chevrolet Trax<\/h2>\n<p>The engine control module (ECM) in your 2017 Chevrolet Trax 1.4L is the central brain for the engine. It receives data from sensors like the oxygen sensor, throttle position sensor, and crankshaft position sensor, then adjusts fuel injectors, ignition coils, and the throttle body to maintain proper combustion. A failing ECM can cause a range of driveability issues. When you need a replacement, you can choose from <a href=\"https:\/\/www.fs1inc.com\/gm\/chevrolet-pcm-ecm-ecu-engine-computer\/trax-engine-computers.html\">replacement ECMs for the 2017 Chevrolet Trax<\/a> that are pre-programmed with your vehicle&#8217;s VIN, eliminating the need for a trip to the dealership. The ECM is critical for meeting emissions standards and ensuring smooth operation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The ECM on the 2017 Chevrolet Trax 1.4L is located in the engine compartment, typically mounted near the air filter box or on the passenger side firewall. Replacement involves disconnecting the battery, removing the electrical connectors, unbolting the module, and installing the new unit. The book labor time for ECM removal and replacement is 0.6 hours. After installation, the factory procedure requires a 0.5-hour relearn process to synchronize the module with the vehicle&#8217;s security and immobilizer system. Ensure the ignition is off and the battery is disconnected before handling the module.<\/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\/2017-chevrolet-trax-pcm-service-figure.webp\" alt=\"2017 Chevrolet Trax PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2017 Chevrolet Trax.<\/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 2017 Chevrolet Trax<\/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 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 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\">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 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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>Before removing the engine control module, use a scan tool to capture the ECM data, as noted in the factory procedure. After installing a new ECM, the vehicle requires a relearn procedure that takes 0.5 hours. This step is necessary to match the module to the vehicle&#8217;s anti-theft system and to calibrate the throttle and other adaptations. However, when you purchase <a href=\"https:\/\/www.fs1inc.com\/2017-chevrolet-trax-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One, the ECM arrives already programmed with your vehicle&#8217;s specific software and VIN. This means the factory relearn is already completed, so you can install the module and start the engine without additional programming steps.<\/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 2017 Chevrolet Trax 1.4L include a no-start condition, intermittent stalling, rough idle, poor fuel economy, and a check engine light. You may also experience communication faults when a scan tool attempts to connect to the module. Internal module trouble codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">internal control module memory checksum error P0601<\/a> often appear. Other codes like P0602, P0603, P0604, P0606, P062B, P062F, and P0630 indicate various internal ECM failures. If you notice these symptoms, have the ECM tested or replaced promptly to avoid being stranded.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2017 Chevrolet Trax<\/h2>\n<p>The following trouble codes are documented for the 2017 Chevrolet Trax 1.4L ECM. These codes indicate internal module faults rather than sensor or wiring issues, and they typically require ECM replacement or reprogramming.<\/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>Two factory service bulletins apply to the 2017 Chevrolet Trax 1.4L ECM. Bulletin #17139, dated April 13, 2017, addresses ECM printed circuit board delamination on certain 2017 model year Chevrolet Trax, Express, Silverado HD, Sonic, and GMC Savana and Sierra HD vehicles. This condition can cause open circuits, leading to a no-start or stall. Bulletin #PIP5373B, dated June 11, 2018, covers a programming error that may produce codes E4491 or E4423 during ECM programming.<\/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\">Service Update &#8211; ECM Printed Circuit Board Delamination &#8211; (Apr 13, 2017)<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Certain 2017 model year Chevrolet Express, Silverado HD, Sonic, Trax, and 2017 model year GMC Savana and Sierra HD vehicles may have delamination on the\u2026<\/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\">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 2017 Chevrolet Trax<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep the battery and charging system in good condition; low voltage or voltage spikes can damage the ECM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all ground connections and ECM harness connectors annually to prevent corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with a running donor vehicle; use a battery charger instead to prevent voltage surges.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any check engine light or driveability codes promptly before they cause secondary ECM damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the ECM connector seals are intact and the module is mounted securely to prevent moisture entry.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">When performing electrical work on the vehicle, disconnect the battery negative terminal to avoid short circuits.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2017 Chevrolet Trax 1.4L needs an ECM, you have two options: have a dealer repair the original module or replace it with a new or refurbished unit. Flagship One offers VIN-programmed ECMs that are plug-and-play, saving you the 0.5-hour relearn labor and the cost of dealer programming. This is a reliable solution for the delamination issue noted in bulletin #17139.<\/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\/gmtypeE78\/gm-pcm-typeE78-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2017 Chevrolet Trax\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2017 Chevrolet Trax from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2017-chevrolet-trax-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2017 Chevrolet Trax<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/gm\/chevrolet-pcm-ecm-ecu-engine-computer\/trax-engine-computers.html\">Chevrolet Trax 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 ECM in your 2017 Chevrolet Trax 1.4L is a vital component that can fail due to internal faults or the delamination issue described in bulletin #17139. Replacing it with a pre-programmed unit from Flagship One simplifies the repair and gets you back on the road quickly. Order a VIN-matched ECM today.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn about the 2017 Chevrolet Trax engine control module, failure symptoms, replacement labor times, and how VIN-programmed units simplify the repair.<\/p>\n","protected":false},"author":1,"featured_media":525463,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,274],"tags":[345,67,1286],"class_list":["post-524790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-chevrolet","tag-345","tag-chevrolet","tag-trax"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2017 Chevrolet Trax 1.4L PCM\/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\/2017-chevrolet-trax-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2017 Chevrolet Trax 1.4L PCM\/ECM Replacement Guide - 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