{"id":532642,"date":"2026-07-17T16:16:25","date_gmt":"2026-07-17T20:16:25","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=532642"},"modified":"2026-07-17T16:16:25","modified_gmt":"2026-07-17T20:16:25","slug":"1993-chrysler-concorde-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/1993-chrysler-concorde-pcm-replacement-guide\/","title":{"rendered":"1993 Chrysler Concorde PCM\/ECM Replacement &#038; Relearn Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>1993 Chrysler Concorde PCM\/ECM Replacement &amp; Relearn Guide<\/h1>\n<p class=\"hero-subtitle\">The powertrain control module (PCM) in your 1993 Chrysler Concorde manages engine performance and transmission functions. Failures may cause no-start conditions, stalling, or erratic shifting by disrupting fuel, ignition, or sensor signals.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM in your 1993 Chrysler Concorde controls engine and transmission operations.<\/li>\n<li>Replacement typically requires 0.5 hours of labor for removal and installation.<\/li>\n<li>A relearn procedure, taking 0.5 hours, is often needed after module replacement.<\/li>\n<li>Factory access involves reaching the module near the air cleaner assembly.<\/li>\n<li>Flagship One units arrive pre-programmed to your VIN, eliminating additional setup steps.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 1993 Chrysler Concorde struggles to start, stalls unexpectedly, or shifts erratically, the powertrain control module (PCM) may be at fault. This critical component governs engine timing, fuel delivery, and transmission behavior. Replacing it involves accessing the module near the air cleaner, removing the old unit, and installing a new one\u2014typically a straightforward process. However, post-replacement steps like a relearn procedure are often necessary to ensure proper communication with your vehicle\u2019s systems. Understanding these steps helps you avoid unnecessary delays and ensures your Concorde runs smoothly after the repair.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 1993 Chrysler Concorde<\/h2>\n<p>The powertrain control module in your 1993 Chrysler Concorde acts as the brain for engine and transmission functions. It processes data from sensors to adjust fuel injection, ignition timing, and shift points, ensuring optimal performance. A faulty PCM may disrupt these operations, leading to poor drivability or even a no-start condition. When replacement becomes necessary, selecting <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/chrysler-pcm-ecm-ecu-engine-computer\/concorde-engine-computers.html\">replacement engine computers for the Concorde<\/a> ensures compatibility with your vehicle\u2019s specific calibration. Without a properly functioning PCM, your Concorde may experience reduced power, increased emissions, or transmission shifting issues.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>In your 1993 Chrysler Concorde, the powertrain control module is located next to the air cleaner assembly. Replacing it involves disconnecting the battery, removing the air cleaner housing if necessary, and unplugging the module\u2019s electrical connectors. The factory procedure specifies 0.5 hours of labor for removal and reinstallation. Once the old module is out, the new unit is secured in place, and connectors are reattached. No specialized tools are typically required, but ensuring a clean, corrosion-free connection is 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\/1993-chrysler-concorde-ecm-location-card-1.webp\" alt=\"1993 Chrysler Concorde PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">Typical PCM mounting area on the 1993 Chrysler Concorde (reference).<\/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 1993 Chrysler Concorde<\/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> air cleaner.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> stud bolt and push pin attaching PCM to body.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Lift<\/b> PCM up.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> PCM.<\/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\">0.5 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 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\">0.5 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 powertrain control module in your 1993 Chrysler Concorde, the factory procedure often requires a relearn process, which may take 0.5 hours. This step ensures the module synchronizes with your vehicle\u2019s sensors and systems. However, <a href=\"https:\/\/www.fs1inc.com\/1993-chrysler-concorde-3-3l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One arrives pre-configured, eliminating the need for additional programming. This saves time and reduces the risk of calibration errors, allowing your Concorde to operate as intended immediately after installation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing powertrain control module in your 1993 Chrysler Concorde may cause a range of symptoms. Common issues include intermittent stalling, difficulty starting, or erratic transmission shifting. You might also notice poor fuel economy or engine misfires. In some cases, the vehicle may enter a fail-safe mode, limiting power to prevent damage. If the module loses communication with the scan tool, it could indicate an internal fault. While these symptoms can stem from other issues, persistent problems often point to the PCM, especially if they coincide with electrical irregularities.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Chrysler issued service bulletins addressing powertrain control module issues in the 1993 Concorde. Bulletin #08-02-95 warns of no-start conditions or improper theft alarm activation due to PCM\/BCM swapping. Another bulletin, #18-037-05, outlines flash programming failure recovery procedures using the DRBIII scan tool. These bulletins highlight common module-related concerns and provide factory-recommended solutions to restore proper function.<\/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>08-02-95<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">08-02-95 NO Start or Improper Theft Alarm Actuation Due to PCM\/BCM Swapping<\/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>18-037-05<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">18-037-05 Flash Programming Failure Recovery Using DRBIII\u00ae<\/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 1993 Chrysler Concorde<\/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 that may damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep electrical connectors clean and securely fastened to prevent corrosion or poor contact.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting with improper voltage, as it can stress the module\u2019s circuitry.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any engine or transmission issues promptly to reduce strain on the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the module\u2019s connector seals remain intact to prevent moisture intrusion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use dielectric grease on connectors during reinstallation to protect against corrosion.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Why does my 1993 Chrysler Concorde stall after replacing the PCM?<\/h3>\n<p>Stalling after PCM replacement may occur if the module wasn\u2019t properly relearned. The factory procedure often requires a 0.5-hour relearn process to synchronize the new module with your vehicle\u2019s sensors. If the relearn isn\u2019t performed, the PCM may not adjust fuel or ignition timing correctly, leading to stalling.<\/p>\n<h3>Can I drive my 1993 Chrysler Concorde with a faulty PCM?<\/h3>\n<p>Driving with a faulty PCM may lead to poor performance, stalling, or even a no-start condition. The module controls critical functions like fuel delivery and ignition timing. If it fails completely, your vehicle may not run at all. Addressing PCM issues promptly helps avoid further complications.<\/p>\n<h3>How do I know if my 1993 Chrysler Concorde\u2019s PCM needs replacement?<\/h3>\n<p>Common signs include no-start conditions, stalling, erratic shifting, or poor fuel economy. If the vehicle enters a fail-safe mode or loses communication with a scan tool, the PCM may be at fault. While other issues can cause similar symptoms, persistent problems often point to the module.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>If your 1993 Chrysler Concorde\u2019s powertrain control module fails, you have options. A dealership or repair shop can install a new unit, but this often requires additional programming time. Alternatively, a refurbished replacement unit pre-programmed to your VIN can simplify the process, ensuring your Concorde is back on the road without unnecessary delays.<\/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\/jeepgrandcherokee\/jeep-pcm-grandcherokee-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 1993 Chrysler Concorde\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 1993 Chrysler Concorde from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/1993-chrysler-concorde-3-3l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 1993 Chrysler Concorde<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/chrysler-pcm-ecm-ecu-engine-computer\/concorde-engine-computers.html\">Chrysler Concorde 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 powertrain control module in your 1993 Chrysler Concorde plays a vital role in engine and transmission performance. If you\u2019re experiencing no-start conditions, stalling, or shifting issues, a faulty PCM may be the cause. Replacing it with a properly programmed unit can restore reliable operation. Consider your options carefully to ensure a smooth repair process.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1993 Chrysler Concorde may stall, fail to start, or trigger theft alarms due to a faulty powertrain control module. Learn symptoms, location, and replacement steps to restore reliable operation.<\/p>\n","protected":false},"author":1,"featured_media":521785,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,263],"tags":[275,56,894],"class_list":["post-532642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-chrysler","tag-275","tag-chrysler","tag-concorde"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1993 Chrysler Concorde PCM\/ECM Replacement &amp; Relearn 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\/1993-chrysler-concorde-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1993 Chrysler Concorde PCM\/ECM Replacement &amp; Relearn Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"1993 Chrysler Concorde may stall, fail to start, or trigger theft alarms due to a faulty powertrain control module. 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