{"id":533297,"date":"2026-07-17T16:42:47","date_gmt":"2026-07-17T20:42:47","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=533297"},"modified":"2026-07-17T16:42:47","modified_gmt":"2026-07-17T20:42:47","slug":"2010-dodge-avenger-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2010-dodge-avenger-pcm-replacement-guide\/","title":{"rendered":"2010 Dodge Avenger 2.4L PCM ECM Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2010 Dodge Avenger 2.4L PCM ECM Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) in your 2010 Dodge Avenger 2.4L is the main computer that manages engine timing, fuel delivery, and emissions. When it fails, the vehicle may not start, run poorly, or trigger warning lights. Internal faults like P0601 or P0606 indicate the module itself has a problem.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM is located next to the air cleaner assembly and requires 0.5 hours of labor to remove and replace.<\/li>\n<li>Factory caution: always turn the ignition off and disconnect the battery before unplugging PCM connectors to avoid voltage spikes.<\/li>\n<li>After replacement, the factory procedure includes a PCM relearn (0.5 hours) and reprogramming radio presets and clock.<\/li>\n<li>A documented service bulletin (#18-021-10) addresses a MIL illumination for O2 sensor signal bias (P2270).<\/li>\n<li>Flagship One supplies a VIN-programmed unit so the post-install programming steps are already completed.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2010 Dodge Avenger 2.4L is experiencing hard starting, stalling, or a check engine light that won&#8217;t go away, the Powertrain Control Module (PCM) may be the culprit. The PCM is the brain of your engine management system, controlling fuel injection, ignition timing, and emissions. When it fails, the vehicle may refuse to start, run erratically, or set trouble codes that point to internal module faults. This guide explains what the PCM does in your Avenger, where it is located, how to replace it, and what to expect after installation. You will also learn about common failure symptoms, relevant factory service bulletins, and how a pre-programmed replacement unit can simplify the repair. By understanding the role of the PCM and the proper replacement procedure, you can make an informed decision about repairing or replacing this critical component.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2010 Dodge Avenger<\/h2>\n<p>The Powertrain Control Module (PCM) in your 2010 Dodge Avenger 2.4L is a single computer that integrates engine control and transmission control functions. It receives input from sensors such as the oxygen sensors, throttle position sensor, and crankshaft position sensor, then adjusts fuel delivery, spark timing, and shift points to optimize performance and fuel economy. The PCM also monitors emissions systems and can illuminate the malfunction indicator lamp (MIL) when it detects a fault. In this vehicle, the PCM is a sealed unit that is not serviceable internally; if it fails, the entire module must be replaced. Failure can occur due to voltage spikes, heat, vibration, or age. When the PCM develops internal faults like P0601 (internal memory check sum error) or P0606 (internal processor fault), the module may lose communication with the scan tool or cause the engine to run poorly. For a reliable repair, you can choose from <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/avenger-engine-computers.html\">replacement PCMs for the Avenger<\/a> that are pre-programmed to your vehicle&#8217;s VIN, eliminating the need for a dealer visit.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM in the 2010 Dodge Avenger 2.4L is located next to the air cleaner assembly, mounted on the driver&#8217;s side of the engine bay. To access it, you may need to remove the air cleaner housing or ductwork. The factory removal procedure involves disconnecting the battery negative cable first, then turning the ignition key to the off position before unplugging any PCM connectors. This sequence prevents voltage spikes that could damage the module. Once the connectors are removed, the PCM is unbolted from its bracket. Replacement labor is estimated at 0.5 hours for removal and installation, and an additional 0.5 hours for the PCM relearn procedure. The relearn is required after installation to allow the module to adapt to the vehicle&#8217;s specific sensors and actuators. Ensure all connectors are clean and securely latched before reconnecting the battery.<\/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\/2010-dodge-avenger-ecm-location-card-1.webp\" alt=\"2010 Dodge Avenger PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">Typical PCM mounting area on the 2010 Dodge Avenger (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 2010 Dodge Avenger<\/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 isolate negative battery cable at battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the Air Cleaner Housing.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the electrical connectors from PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> nut from upper shock tower stud.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> bolt from lower shock tower fastener.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the PCM and bracket from vehicle.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> bolts and separate the PCM from bracket.<\/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\">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 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\">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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After installing a new PCM in your 2010 Dodge Avenger 2.4L, the factory procedure requires a PCM relearn (0.5 hours) and reprogramming of the radio presets and clock. The relearn process typically involves a specific drive cycle to allow the module to learn idle speed, throttle position, and transmission shift points. Without this step, the vehicle may run poorly or set trouble codes. However, when you purchase <a href=\"https:\/\/www.fs1inc.com\/2010-dodge-avenger-2-4l-engine-computer-pcm-ecm-ecu-programmed.html\">a VIN-programmed replacement unit<\/a> from Flagship One, the module arrives with the correct software and calibration already loaded. This means the post-install programming steps are already completed, and you only need to perform the relearn procedure. The radio and clock will still need to be reset manually, but the PCM itself is ready to communicate with your vehicle&#8217;s systems immediately after installation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in the 2010 Dodge Avenger 2.4L can cause a variety of symptoms. The engine may crank but not start, or it may start and stall shortly after. You might notice rough idling, hesitation during acceleration, or poor fuel economy. The check engine light may illuminate with codes that are not related to a specific sensor, such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">internal controller fault P0601<\/a> or P0606. These codes indicate the PCM itself has an internal problem. Other symptoms include the scan tool being unable to communicate with the module, erratic transmission shifting, or the cooling fan running constantly. In some cases, the vehicle may enter a limp-home mode with reduced power. If you experience multiple electrical issues that seem unrelated, the PCM should be considered a potential cause.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2010 Dodge Avenger<\/h2>\n<p>The following trouble codes are stored inside the PCM itself and indicate internal module faults. When these codes appear, the PCM is likely defective and replacement is the typical repair. For the 2010 Dodge Avenger 2.4L, the documented module-internal codes are:<\/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-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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>A factory service bulletin, number 18-021-10, has been issued for the 2010 Dodge Avenger 2.4L. This bulletin addresses a malfunction indicator lamp (MIL) illumination with diagnostic trouble code P2270, which indicates the oxygen sensor 1\/2 signal is biased lean. The bulletin provides a flash update for the PCM to correct the condition. If your vehicle exhibits this symptom, the PCM may need to be reprogrammed with the updated calibration. Note that this TSB applies specifically to the 2.4L engine and should be performed by a qualified technician using the proper equipment.<\/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>18-021-10<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">18-021-10 Flash: MIL Illumination P2270 &#8211; O2 Sensor 1\/2 Signal Biased Lean<\/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 2010 Dodge Avenger<\/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 PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean the PCM ground connections and main engine grounds annually to ensure a solid electrical path.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Always disconnect the battery negative cable before working on any electrical components, and turn the ignition off before unplugging PCM connectors.<\/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 or follow the manufacturer&#8217;s jump-start procedure exactly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any check engine light or trouble codes promptly; a small issue can escalate into PCM damage if ignored.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the PCM connector seals are intact and the module is mounted securely to prevent moisture and vibration damage.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if the PCM in my 2010 Dodge Avenger 2.4L is bad?<\/h3>\n<p>Common signs include no-start, stalling, poor running, and trouble codes P0601 or P0606. If the scan tool cannot communicate with the PCM, it is likely failed. A professional diagnosis can confirm.<\/p>\n<h3>Can I replace the PCM in my 2010 Dodge Avenger myself?<\/h3>\n<p>Yes, if you have basic mechanical skills. The PCM is located next to the air cleaner and requires 0.5 hours of labor. Follow the factory caution: disconnect the battery and turn the ignition off before unplugging connectors. After installation, a relearn procedure is needed.<\/p>\n<h3>Do I need to program a new PCM for my 2010 Dodge Avenger?<\/h3>\n<p>The factory procedure requires a PCM relearn and reprogramming of radio presets and clock. However, a VIN-programmed replacement unit from Flagship One comes with the correct software already loaded, so you only need to perform the relearn.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2010 Dodge Avenger 2.4L needs a new PCM, you have two main options: have a dealer install a blank module and program it, or purchase a pre-programmed unit that is ready to install. The dealer route often costs more and requires a separate programming appointment. A refurbished or new PCM from a specialist supplier can be a cost-effective alternative, especially if it arrives with the correct VIN calibration already applied. Consider the labor time and whether you want to handle the relearn yourself.<\/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\/chryslerecm\/chrysler-pcm-gpec-sv4cyl-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2010 Dodge Avenger\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2010 Dodge Avenger from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2010-dodge-avenger-2-4l-engine-computer-pcm-ecm-ecu-programmed.html\"><b>refurbished, VIN-programmed PCM for the 2010 Dodge Avenger<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/avenger-engine-computers.html\">Dodge Avenger 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 PCM in your 2010 Dodge Avenger 2.4L is a vital component that controls engine and transmission operation. When it fails, symptoms like no-start, stalling, and internal codes P0601 or P0606 appear. Replacement is straightforward with the right preparation, and a pre-programmed unit can save time and money. Always follow the factory caution to avoid damage during installation.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Symptoms, location, and programming for the 2010 Dodge Avenger 2.4L PCM\/ECM. Learn about failure codes P0601\/P0606, TSB 18-021-10, and how a pre-programmed unit saves time.<\/p>\n","protected":false},"author":1,"featured_media":521887,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,38],"tags":[441,893,37],"class_list":["post-533297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-dodge","tag-441","tag-avenger","tag-dodge"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2010 Dodge Avenger 2.4L 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\/2010-dodge-avenger-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2010 Dodge Avenger 2.4L PCM ECM Replacement Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Symptoms, location, and programming for the 2010 Dodge Avenger 2.4L PCM\/ECM. 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