{"id":532994,"date":"2026-07-18T16:18:45","date_gmt":"2026-07-18T20:18:45","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=532994"},"modified":"2026-07-18T16:18:45","modified_gmt":"2026-07-18T20:18:45","slug":"1996-dodge-grand-caravan-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/1996-dodge-grand-caravan-pcm-replacement-guide\/","title":{"rendered":"1996 Dodge Grand Caravan PCM\/ECM Replacement and Relearn Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>1996 Dodge Grand Caravan PCM\/ECM Replacement and Relearn Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) in your 1996 Dodge Grand Caravan 2.4L integrates engine and transmission management. It controls fuel injection, ignition timing, and shift points. Failure of this module can cause no-start, stalling, or erratic transmission behavior, often requiring replacement.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM\/ECM replacement book time for a 1996 Dodge Grand Caravan 2.4L is 0.6 hours, with an additional 0.5 hours for the factory relearn procedure.<\/li>\n<li>Factory service bulletin #18-037-05 addresses flash programming failure recovery using the DRBIII scan tool, which is relevant if you attempt a dealer-level reprogram.<\/li>\n<li>Module-internal trouble codes P0600, P0601, and P1698 are documented for this vehicle and indicate internal PCM faults or communication issues.<\/li>\n<li>A pre-programmed replacement PCM from Flagship One arrives ready to install, eliminating the need for the dealer relearn step.<\/li>\n<li>Common failure symptoms include no-start, stalling, misfire codes, and loss of scan tool communication with the PCM.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 1996 Dodge Grand Caravan 2.4L is experiencing intermittent stalling, hard starting, or transmission shifting problems, the Powertrain Control Module (PCM) may be the culprit. The PCM is the central computer that manages engine and transmission operations, and after nearly three decades, internal components can degrade. This guide explains what the PCM does in your specific minivan, the symptoms of a failing module, and what the replacement process involves. You will learn about the documented trouble codes (P0600, P0601, P1698) that point to internal PCM faults, the factory relearn procedure that typically follows a new module installation, and how a pre-programmed replacement unit can save you time and money. Understanding these details helps you make an informed decision about repairing or replacing the PCM in your 1996 Grand Caravan.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 1996 Dodge Grand Caravan<\/h2>\n<p>The Powertrain Control Module (PCM) in your 1996 Dodge Grand Caravan 2.4L is a single computer that combines the functions of an Engine Control Module (ECM) and a Transmission Control Module (TCM). It receives input from sensors such as the crankshaft position sensor, throttle position sensor, and oxygen sensors, then adjusts fuel delivery, ignition timing, and transmission shift points to optimize performance and emissions. Because the 2.4L engine and the automatic transmission are tightly integrated, the PCM must communicate with both systems simultaneously. A failing PCM can cause a cascade of drivability issues, from a no-start condition to erratic shifting or even a complete loss of communication with diagnostic tools. The module is programmed with specific calibration data for your vehicle&#8217;s VIN, including idle speed, fuel trim, and shift schedules. When you need a replacement, you have two options: a new OEM unit that requires dealer programming or a refurbished unit that comes pre-programmed. For the 1996 Grand Caravan, <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/dodge-pcm-ecm-ecu-engine-computer\/grand-caravan-engine-computers.html\">replacement PCMs for the Grand Caravan<\/a> are available that match the original specifications, ensuring plug-and-play installation without the need for a scan tool relearn. The module&#8217;s internal memory stores adaptive learning values, which is why a relearn procedure is often recommended after replacement to reset those values and allow the PCM to re-adapt to your engine&#8217;s condition.<\/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 your 1996 Dodge Grand Caravan 2.4L is typically located under the hood, mounted on the driver-side inner fender or near the battery. To access it, you may need to remove a plastic cover or air intake duct. Replacement involves disconnecting the negative battery cable, unplugging the two large electrical connectors (often secured with a locking tab), and removing the mounting bolts. The book time for PCM removal and replacement (R&amp;R) is 0.6 hours. After installation, the factory procedure calls for a PCM relearn, which takes an additional 0.5 hours. This relearn typically involves a specific driving cycle or scan tool procedure to reset adaptive memory and ensure proper idle and shift quality. The location is straightforward, but care must be taken to avoid damaging the connectors or bending pins during removal.<\/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\/1996-dodge-grand-caravan-pcm-location-diagram.webp\" alt=\"1996 Dodge Grand Caravan PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 1996 Dodge Grand Caravan.<\/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 1996 Dodge Grand Caravan<\/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> both cables from battery, negative cable first.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> 2 screws holding Power Distribution Center (PDC) to bracket distributioncenter.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> heat shield from battery heatshieldbattery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> nut and clamp holding battery to battery tray clampnut.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> battery from vehicle.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Rotate<\/b> PDC toward center of vehicle to remove from rear bracket.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Pull<\/b> PDC rearward to remove from front bracket.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> 3 screws holding PCM to fender.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> PCM from vehicle.<\/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\">Caravan<\/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\">Grand Caravan<\/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\">Caravan<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Grand Caravan<\/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\">Caravan<\/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\">Grand Caravan<\/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\">Caravan<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Grand Caravan<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.6 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 or used PCM in your 1996 Dodge Grand Caravan 2.4L, the factory procedure requires a relearn to synchronize the module with your vehicle&#8217;s specific engine and transmission. This relearn, listed at 0.5 hours of labor, often involves a drive cycle or a scan tool command to reset adaptive values. Additionally, factory service bulletin #18-037-05 describes a flash programming failure recovery procedure using the DRBIII scan tool, which may be needed if a previous programming attempt fails. However, when you choose <a href=\"https:\/\/www.fs1inc.com\/1996-dodge-grand-caravan-2-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement PCM<\/a> from Flagship One, the module arrives with your vehicle&#8217;s original calibration already loaded. This means the factory relearn steps are already completed, and you can install the unit and start the engine without needing a dealer visit or a scan tool. The pre-programming eliminates the risk of a failed flash and saves you the 0.5-hour relearn labor cost.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in your 1996 Dodge Grand Caravan 2.4L can produce a wide range of symptoms that mimic other component failures. The most common signs include a no-start condition where the engine cranks but does not fire, intermittent stalling that may occur at idle or while driving, and misfire codes that do not clear after replacing spark plugs or coils. You may also notice erratic transmission behavior, such as harsh shifts, delayed engagement, or the transmission refusing to shift out of first gear. Another telltale symptom is a complete loss of communication with a scan tool; the tool may show &#8216;no communication&#8217; with the PCM even though other modules respond. The trouble code <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">internal control module memory fault<\/a> is a direct indicator of an internal PCM problem, often related to corrupted memory or a failed processor. Other documented codes for this vehicle include P0600 (serial communication link malfunction) and P1698 (transmission control module communication error). If you experience any of these issues, especially in combination, the PCM should be tested or replaced.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 1996 Dodge Grand Caravan<\/h2>\n<p>The following trouble codes are documented as module-internal faults for the 1996 Dodge Grand Caravan 2.4L. These codes indicate problems within the PCM itself rather than external sensor or circuit issues.<\/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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1698<\/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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Factory service bulletin #18-037-05, titled &#8216;Flash Programming Failure Recovery Using DRBIII\u00ae&#8217;, applies to your 1996 Dodge Grand Caravan. This bulletin outlines a procedure to recover a PCM that has become unresponsive or corrupted during a flash programming attempt. It involves using the DRBIII scan tool to re-establish communication and reload the calibration. While this bulletin is useful for dealerships performing in-vehicle programming, it underscores the complexity of the factory flash process. A pre-programmed replacement PCM avoids this entire scenario because the calibration is already correctly installed.<\/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>18-037-05<\/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 1996 Dodge Grand Caravan<\/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; voltage spikes from a failing alternator can damage the PCM&#8217;s internal components.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep all ground connections clean and tight, especially the main engine-to-chassis ground and the PCM ground wire.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">When jump-starting, connect cables properly and avoid reverse polarity; use a surge protector if available.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic trouble codes promptly; ignoring a code like P0601 can lead to complete PCM failure.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect the PCM connector seals and housing for moisture intrusion; water damage is a common cause of internal corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use dielectric grease on the PCM connectors when reinstalling to prevent corrosion and ensure good electrical contact.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What is the PCM relearn procedure for a 1996 Dodge Grand Caravan 2.4L after replacement?<\/h3>\n<p>The factory relearn for your 1996 Grand Caravan typically involves a specific drive cycle that allows the PCM to relearn idle speed, fuel trim, and shift adapts. The book time for this procedure is 0.5 hours. Some shops use a scan tool to perform a quick relearn. However, if you install a pre-programmed PCM from Flagship One, the relearn is already completed, so no additional steps are needed.<\/p>\n<h3>Where is the PCM located on a 1996 Dodge Grand Caravan 2.4L?<\/h3>\n<p>The PCM is mounted under the hood on the driver-side inner fender, near the battery. You may need to remove a plastic cover or air intake duct to access it. The module is secured with bolts and has two large electrical connectors. Replacement takes about 0.6 hours according to book time.<\/p>\n<h3>What are the symptoms of a bad PCM in a 1996 Dodge Grand Caravan?<\/h3>\n<p>Common symptoms include no-start, intermittent stalling, misfire codes that won&#8217;t clear, harsh or delayed transmission shifts, and loss of scan tool communication with the PCM. Trouble codes like P0601 (internal memory fault) or P1698 (TCM communication error) often accompany these issues.<\/p>\n<h3>Does service bulletin #18-037-05 apply to my 1996 Grand Caravan?<\/h3>\n<p>Yes, bulletin #18-037-05 covers flash programming failure recovery using the DRBIII scan tool. It is relevant if you attempt to reprogram the PCM yourself or at a dealer. The bulletin provides steps to recover a module that becomes unresponsive during a flash. Using a pre-programmed unit avoids this risk entirely.<\/p>\n<h3>Can I install a used PCM from a salvage yard in my 1996 Dodge Grand Caravan?<\/h3>\n<p>A used PCM from another 1996 Grand Caravan with the same engine and transmission may work, but it will likely require a dealer relearn to match your VIN and reset adaptive values. Additionally, the used module may have its own internal faults. A pre-programmed refurbished unit is a more reliable option because it is tested and programmed specifically for your vehicle.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 1996 Dodge Grand Caravan 2.4L needs a PCM, you have two paths: repair the existing module (if the fault is repairable) or replace it with a refurbished unit. Given the age of the vehicle, internal component degradation is common, and replacement often provides a more reliable long-term solution. A pre-programmed replacement eliminates the need for dealer programming and the 0.5-hour relearn, saving you time and money while restoring proper engine and transmission 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\/media\/wysiwyg\/googleshop\/chryslertcblack\/chryslertc-pcm-blackplug-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 1996 Dodge Grand Caravan\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 1996 Dodge Grand Caravan from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/1996-dodge-grand-caravan-2-4l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 1996 Dodge Grand Caravan<\/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\/grand-caravan-engine-computers.html\">Dodge Grand Caravan 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 1996 Dodge Grand Caravan 2.4L is a critical component that controls engine and transmission functions. Recognizing symptoms like no-start, stalling, or trouble codes P0600, P0601, and P1698 can help you diagnose a failing module. Whether you choose to repair or replace, understanding the factory relearn requirement and the availability of pre-programmed units ensures you get your minivan back on the road efficiently.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn about PCM\/ECM failure symptoms for your 1996 Dodge Grand Caravan 2.4L, including trouble codes P0600, P0601, P1698, and how replacement with a pre-programmed unit avoids dealer relearn.<\/p>\n","protected":false},"author":1,"featured_media":520182,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,38],"tags":[77,37,1507],"class_list":["post-532994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-dodge","tag-77","tag-dodge","tag-grand-caravan"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1996 Dodge Grand Caravan PCM\/ECM Replacement and Relearn Guide - 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