{"id":532726,"date":"2026-07-17T16:19:45","date_gmt":"2026-07-17T20:19:45","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=532726"},"modified":"2026-07-17T16:19:45","modified_gmt":"2026-07-17T20:19:45","slug":"2002-chrysler-concorde-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2002-chrysler-concorde-pcm-replacement-guide\/","title":{"rendered":"2002 Chrysler Concorde PCM &#038; ECM: Reliable Replacement and Programming Solutions"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2002 Chrysler Concorde PCM &amp; ECM: Reliable Replacement and Programming Solutions<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) in a 2002 Chrysler Concorde is the central computer that manages engine and transmission functions. It processes sensor data to control fuel delivery, ignition timing, and shift points. A malfunctioning module can lead to drivability problems, failed emissions tests, and communication loss with diagnostic tools.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The 2002 Chrysler Concorde uses a PCM that integrates engine and transmission control.<\/li>\n<li>Book time for PCM or ECM replacement is 0.4 hours, with an additional 0.5 hours for the relearn procedure.<\/li>\n<li>Common internal fault codes include P0600 (serial communication link) and P0601 (internal memory checksum error).<\/li>\n<li>A replacement unit that arrives pre-programmed with your VIN and mileage eliminates the need for a dealership scan tool.<\/li>\n<li>Proper battery and charging system health is critical to prevent future module failures.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2002 Chrysler Concorde begins to exhibit erratic shifting, a no-start condition, or an illuminated check engine light that defies simple fixes, the root cause may lie within its engine control module. The Concorde\u2019s 2.7L V6 relies on a Powertrain Control Module (PCM) to orchestrate everything from fuel metering to transmission gear selection. This single computer, sometimes referred to as the ECM, processes continuous streams of data from sensors and makes split-second decisions that keep the car running smoothly. When internal circuitry degrades or software becomes corrupted, the symptoms can be confusing and intermittent. You might notice the engine cranking but refusing to fire, or the transmission stuck in limp mode. Diagnostic trouble codes like P0600 and P0601 often point directly to an internal module fault rather than an external sensor problem. Understanding what the PCM does, how to confirm it has failed, and what your replacement options are can save you from unnecessary parts swapping and repeated trips to the shop. This article explains the role of the module in your Concorde, outlines the replacement process, and shows how a properly programmed unit can get you back on the road with minimal downtime.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2002 Chrysler Concorde<\/h2>\n<p>The Powertrain Control Module in a 2002 Chrysler Concorde is the vehicle\u2019s primary electronic brain, responsible for managing both engine performance and transmission behavior. It receives real-time signals from the crankshaft position sensor, camshaft position sensor, throttle position sensor, oxygen sensors, and many others. Using this data, the module calculates the optimal air-fuel mixture, ignition timing, and shift points for the 42LE four-speed automatic transmission. It also monitors emission controls to ensure compliance with OBD-II standards. When the PCM fails, the Concorde may experience a range of drivability problems because the module can no longer interpret sensor inputs or command actuators correctly. A failing unit might send incorrect voltage to fuel injectors, causing a lean or rich condition, or it might fail to ground the automatic shutdown relay, resulting in a no-start. Internal memory corruption can also prevent the module from storing adaptive learning values, leading to rough idle and poor fuel economy. For owners facing these issues, <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> offer a direct path to restoring factory performance without the need for complex programming at the dealership. These units are built to match the original specifications and can resolve persistent faults that originate inside the module itself.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM on the 2002 Chrysler Concorde is located in the engine compartment, typically mounted near the driver-side strut tower or on the inner fender area. It is housed in a protective case with a large electrical connector that locks into place. Replacing the module involves disconnecting the negative battery cable, releasing the connector latch, and removing the mounting fasteners. The book time for removal and replacement of the Powertrain Control Module is 0.4 hours. An additional 0.5 hours is listed for the engine control module relearn procedure, which allows the new module to adapt to the vehicle\u2019s specific sensors and actuators. No special tools are required beyond basic hand tools, though care should be taken to avoid static discharge that could damage the new module. The mounting area should be inspected for corrosion or moisture that may have contributed to the original failure. Once the replacement module is installed and the connector is fully seated, the battery can be reconnected and the relearn process initiated.<\/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\/2002-chrysler-concorde-pcm-service-figure.webp\" alt=\"2002 Chrysler Concorde PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2002 Chrysler Concorde.<\/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 2002 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>Unbolt<\/b> the washer bottle filler neck and reposition.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the 4 PCM electrical connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the 3 fasteners from PCM mounting ().<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">300M<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 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\">Concorde<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 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\">300M<\/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\">Concorde<\/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\">300M<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 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\">Concorde<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 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 replacement PCM in a 2002 Chrysler Concorde, the factory service information specifies that the negative battery cable must be connected and the radio and clock reprogrammed. This step restores basic electrical settings that are lost during battery disconnection. However, when a module is sourced from a traditional supplier, a dealership-level scan tool is often required to transfer the vehicle\u2019s original VIN and mileage into the new unit. Without this programming, the engine may not start or could run poorly. <a href=\"https:\/\/www.fs1inc.com\/2002-chrysler-concorde-2-7l-engine-computer-pcm-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> arrives with the correct vehicle identification and mileage already loaded, so the radio and clock are the only items you need to reset. This eliminates the need for a trip to the dealer and the associated labor charges. The module is ready to install out of the box, and the engine control system will begin its adaptive learning process during the first few drive cycles.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in a 2002 Chrysler Concorde can produce a variety of symptoms that may initially seem unrelated. The engine may crank but refuse to start, or it may start and then stall without warning. Intermittent stalling at idle or while driving is another common sign, often accompanied by a sudden loss of power. The transmission may shift erratically, hold gears too long, or enter limp mode, limiting vehicle speed. You might notice that the check engine light illuminates, but a scan tool fails to communicate with the module, indicating a complete loss of serial data. In other cases, the module may set specific internal fault codes such as P0600, which points to a serial communication link malfunction, or <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">a P0601 internal memory checksum error<\/a>, signaling that the module\u2019s own self-test has detected corrupted data. These codes are particularly telling because they originate within the PCM itself rather than from an external sensor circuit. Other symptoms can include poor fuel economy, failed emissions tests, and random misfire codes that cannot be traced to ignition or fuel components. Because the PCM controls the automatic shutdown relay, a faulty module may also prevent the fuel pump and ignition system from powering up, leading to a crank-no-start condition that mimics a bad fuel pump or crank sensor.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2002 Chrysler Concorde<\/h2>\n<p>The following diagnostic trouble codes are directly related to internal faults within the PCM on a 2002 Chrysler Concorde. When these codes appear, they often indicate a problem with the module itself rather than an external wiring or sensor issue.<\/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-p0600-serial-communication-link\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0600<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0600-serial-communication-link\/\" 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-p0600-serial-communication-link\/\" style=\"color:#0563C1\"><b><u>Full P0600 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-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>Protecting the PCM in Your 2002 Chrysler Concorde<\/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 excellent condition; a weak battery or failing alternator can cause voltage spikes that damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all ground connections, especially the main engine ground and PCM ground, to ensure stable voltage reference.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with high-amperage boosters or running the engine with a disconnected battery, as this can create damaging voltage surges.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any check engine light codes promptly, even if the vehicle seems to run fine, to prevent cascading electrical issues.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the PCM connector seals are intact and free of corrosion; moisture intrusion is a common cause of internal module failure.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">When replacing a battery, use a memory saver device to avoid voltage spikes and to preserve adaptive memory settings.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if my 2002 Chrysler Concorde needs a new PCM or just a sensor?<\/h3>\n<p>A diagnostic scan tool can reveal internal PCM fault codes like P0600 or P0601, which indicate a problem within the module itself. If you have replaced sensors and wiring but the same codes return, or if the module fails to communicate with the scan tool, the PCM is likely the culprit. A professional diagnosis can confirm whether the issue is internal to the module.<\/p>\n<h3>Can I install a used PCM from another 2002 Chrysler Concorde?<\/h3>\n<p>A used PCM from an identical Concorde may physically fit, but it will contain the VIN and mileage from the donor vehicle. The module must be reprogrammed with your vehicle\u2019s VIN and mileage to function correctly, and the SKIM anti-theft system may need to be synchronized. A pre-programmed replacement module avoids these complications.<\/p>\n<h3>What is the difference between the PCM and ECM on a 2002 Concorde?<\/h3>\n<p>On the 2002 Chrysler Concorde, the terms PCM and ECM are often used interchangeably because a single module controls both the engine and transmission. The factory service information lists both a Powertrain Control Module and an Engine Control Module with identical replacement labor times, indicating they refer to the same component.<\/p>\n<h3>Will a faulty PCM cause my 2002 Concorde to fail an emissions test?<\/h3>\n<p>Yes, a failing PCM can cause the check engine light to illuminate and may prevent the OBD-II system from completing readiness monitors. If the module cannot properly control fuel mixture or monitor emissions components, the vehicle will not pass a state inspection.<\/p>\n<h3>Do I need a special scan tool to install a replacement PCM in my Concorde?<\/h3>\n<p>If you purchase a blank or used PCM, a factory-level scan tool is required to program the VIN and mileage. However, a replacement unit that arrives pre-programmed with your vehicle\u2019s information eliminates this step, allowing you to install the module and drive the car after resetting the radio and clock.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Replacing the PCM in a 2002 Chrysler Concorde does not have to involve a dealership visit or complex programming. A pre-programmed module matched to your VIN and mileage arrives ready to install, so you can complete the job in your own garage with basic hand tools. This approach restores factory engine and transmission control without the need for additional software or scan tool procedures.<\/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\/jeep4plugblack\/jeep-4plugblack-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2002 Chrysler Concorde\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2002 Chrysler Concorde from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2002-chrysler-concorde-2-7l-engine-computer-pcm-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2002 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>A properly functioning PCM is essential to the performance and reliability of a 2002 Chrysler Concorde. When internal module faults trigger codes like P0600 or P0601, a direct replacement that arrives pre-configured for your specific vehicle can resolve the issue quickly. By following good electrical maintenance practices, you can help ensure the new module delivers years of trouble-free service.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A failing PCM or ECM in a 2002 Chrysler Concorde can cause stalling, no-start, and transmission issues. Learn the symptoms, replacement steps, and how pre-programmed units simplify installation.<\/p>\n","protected":false},"author":1,"featured_media":525482,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,263],"tags":[48,56,894],"class_list":["post-532726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-chrysler","tag-48","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>2002 Chrysler Concorde PCM &amp; ECM: Reliable Replacement and Programming Solutions - 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\/2002-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=\"2002 Chrysler Concorde PCM &amp; ECM: Reliable Replacement and Programming Solutions - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"A failing PCM or ECM in a 2002 Chrysler Concorde can cause stalling, no-start, and transmission issues. Learn the symptoms, replacement steps, and how pre-programmed units simplify installation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/2002-chrysler-concorde-pcm-replacement-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-17T20:19:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2026\/07\/2002-chrysler-concorde-pcm-service-figure.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"548\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2002-chrysler-concorde-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/2002-chrysler-concorde-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"2002 Chrysler Concorde PCM &#038; 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