{"id":525054,"date":"2026-07-16T09:38:14","date_gmt":"2026-07-16T13:38:14","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=525054"},"modified":"2026-07-16T14:31:58","modified_gmt":"2026-07-16T18:31:58","slug":"2014-fiat-500-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2014-fiat-500-pcm-replacement-guide\/","title":{"rendered":"2014 Fiat 500 Powertrain Control Module Relearn and Replacement"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2014 Fiat 500 Powertrain Control Module Relearn and Replacement<\/h1>\n<p class=\"hero-subtitle\">In the 2014 Fiat 500, the Powertrain Control Module manages engine timing, fuel delivery, and transmission shifts. A malfunction can lead to misfires, loss of power, and erratic vehicle behavior.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM relearn takes about 0.5 hours.<\/li>\n<li>PCM reset requires 0.3 hours.<\/li>\n<li>Engine control module reset is 0.3 hours.<\/li>\n<li>Engine control module relearn is 0.5 hours.<\/li>\n<li>Replacing a PCM takes 0.7 hours for the powertrain module.<\/li>\n<li>Engine control module replacement is 0.7 hours for gas models and 0.5 hours otherwise.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2014 Fiat 500 begins to misfire, stall, or shift oddly, the Powertrain Control Module may need attention. This guide explains what the PCM does, why it matters, and how you can address common issues. By understanding the relearn, reset, and replacement processes, you\u2019ll be better prepared to keep your vehicle running smoothly.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2014 Fiat 500<\/h2>\n<p>The Powertrain Control Module in a 2014 Fiat 500 coordinates ignition timing, fuel injection, and transmission shift logic. It ensures the engine runs efficiently and responds correctly to driver inputs. <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/fiat-pcm-ecm-ecu-engine-computer\/500-engine-computers.html\">replacement engine computers for the Fiat 500<\/a> is essential when the PCM fails to communicate or misbehaves, as it can trigger engine codes or cause performance loss.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM sits under the dash near the steering column, requiring removal of the instrument panel to access. Replacing the module involves disconnecting the wiring harness, removing the old unit, and installing the new one. Labor times are 0.5 hours for relearn, 0.7 hours for replacement, and 0.3 hours for reset. Proper torque and alignment are critical for reliable 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-fiat-500-pcm-service-figure.webp\" alt=\"2014 Fiat 500 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2014 Fiat 500.<\/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 Fiat 500<\/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> and remove the battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the Powertrain Control Module (PCM) electrical connectors (1 and 2).<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the four nuts.<\/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\">0.7 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\">GAS<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.7 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\">0.5 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 PCM, the factory procedure mandates reprogramming the unit with the vehicle\u2019s VIN and mileage. Because Flagship One units arrive VIN\u2011programmed, this step is already completed, eliminating the need for additional reprogramming. <a href=\"https:\/\/www.fs1inc.com\/2014-fiat-500-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> ensures seamless integration.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in a 2014 Fiat 500 may manifest as a hard\u2011to-start engine, sudden stalls, or irregular shifting. Misfire codes, loss of power, or a dead scan\u2011tool connection can also occur. <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">Powertrain Control Module error<\/a> is a common internal code that points to PCM communication issues.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2014 Fiat 500<\/h2>\n<p>The following internal trouble codes are documented for the 2014 Fiat 500\u2019s PCM:<\/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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Service Bulletin 29 (Global Recalls) and Service Bulletin 28 (Recalls) address reprogramming of the Powertrain Control Module for the 2014 Fiat 500.<\/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 Bulletins\/Recalls \u2022 29 &#8211; Global Recalls \u2022 Customer Satisfaction Notification S20 &#8211; Repr<\/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\">Service Bulletins\/Recalls \u2022 28 &#8211; Recalls \u2022 Customer Satisfaction Notification S20 &#8211; Reprogram P<\/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 Fiat 500<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep the vehicle\u2019s charging system in good condition to prevent voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure all PCM connectors are clean and free of corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump\u2011starting the vehicle with excessive voltage that could damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly to prevent further damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Maintain the integrity of connector seals to avoid moisture intrusion.<\/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 Fiat 500 shows a P0601 code after a PCM replacement?<\/h3>\n<p>A P0601 code indicates a communication issue with the Powertrain Control Module. After replacement, perform a relearn cycle and check all wiring connections. If the code persists, verify the new PCM is correctly seated and that the vehicle\u2019s software is up to date.<\/p>\n<h3>Can I perform the PCM relearn myself on a 2014 Fiat 500?<\/h3>\n<p>The relearn process requires a diagnostic scan tool and specific software steps. While some mechanics can do it, it\u2019s safest to have a professional perform the relearn to ensure accurate programming and avoid potential missteps.<\/p>\n<h3>Will a new PCM solve all engine performance issues in my 2014 Fiat 500?<\/h3>\n<p>A new PCM can resolve issues related to engine timing, fuel delivery, and shift logic. However, if there are underlying mechanical problems or other electrical faults, the PCM replacement alone may not restore full performance.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2014 Fiat 500 is experiencing engine or shift problems, you have options. A professional repair can relearn or reset the existing PCM, or you can opt for a refurbished replacement unit that offers similar functionality at a lower cost. Both approaches can restore reliable performance to your vehicle.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2014-fiat-500-1-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2014 Fiat 500<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/fiat-pcm-ecm-ecu-engine-computer\/500-engine-computers.html\">Fiat 500 module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>Addressing PCM issues in a 2014 Fiat 500 is crucial for maintaining smooth engine operation and preventing costly failures. By following the recommended relearn or replacement steps, you can keep your vehicle running confidently.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2014 Fiat 500 shows stalling or misfires, a PCM issue may be the cause. Relearn or replace the PCM to restore proper engine performance and avoid costly failures.<\/p>\n","protected":false},"author":1,"featured_media":525573,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,1300],"tags":[268,1305,1301],"class_list":["post-525054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-fiat","tag-268","tag-1305","tag-fiat"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2014 Fiat 500 Powertrain Control Module Relearn and Replacement - 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-fiat-500-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 Fiat 500 Powertrain Control Module Relearn and Replacement - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2014 Fiat 500 shows stalling or misfires, a PCM issue may be the cause. 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