{"id":532460,"date":"2026-07-17T16:09:03","date_gmt":"2026-07-17T20:09:03","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=532460"},"modified":"2026-07-17T16:09:03","modified_gmt":"2026-07-17T20:09:03","slug":"2015-audi-a5-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2015-audi-a5-pcm-replacement-guide\/","title":{"rendered":"2015 Audi A5 Powertrain Control Module Replacement"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2015 Audi A5 Powertrain Control Module Replacement<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module in the 2015 Audi A5 manages engine timing, fuel injection, and transmission shifts. A fault in this unit can disrupt communication with other control units, leading to performance loss or engine shutdown.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>Removal requires access to the base of the windshield plenum chamber.<\/li>\n<li>Replacement labor time is 1.0 hour for standard PCM models.<\/li>\n<li>Relearn procedures for PCM and ECM take 0.5 hour each.<\/li>\n<li>The module communicates with the vehicle\u2019s ECU and transmission control.<\/li>\n<li>Failure codes include P0603, P0604, and U0100.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2015 Audi A5 begins to show diagnostic trouble codes or exhibits erratic powertrain behavior, the Powertrain Control Module may be at fault. This guide explains where the module sits, how to replace it, and why proper programming is essential. By following these steps, you can restore reliable operation without unnecessary downtime.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2015 Audi A5<\/h2>\n<p>The Powertrain Control Module in a 2015 Audi A5 orchestrates engine and transmission functions to keep the vehicle running smoothly. It interprets sensor data and sends commands to actuators, ensuring proper timing, fuel delivery, and shift points. When this unit malfunctions, it can cause misfires, stalling, or loss of communication with the engine control unit <a href=\"https:\/\/www.fs1inc.com\/audi-ecm-pcm-ecu-engine-computer\/a5-engine-computers.html\">2015 Audi A5 Powertrain Control Module Replacement<\/a> for the correct application.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The module is located in the plenum chamber at the base of the windshield. To remove it, the factory procedure calls for the module to be accessed through this chamber, which requires careful disconnection of surrounding components. Replacement labor time is listed as 1.0 hour for standard PCM models, while the relearn steps for both the PCM and ECM each require 0.5 hour.<\/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\/2015-audi-a5-ecm-location-card.webp\" alt=\"2015 Audi A5 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">Typical PCM mounting area on the 2015 Audi A5 (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 2015 Audi A5<\/h3>\n<ol style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\"><b>Pull<\/b> the plenum chamber cover rubber seal in front of the nut slightly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the filler neck with the filler tube from the washer fluid reservoir and the opening.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the bolts and the cover from the E-box.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Release<\/b> the retainers -A arrows- and remove the Engine Control Module.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> shear bolts with locking pliers (.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> metal retainers from the ECM connectors.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the old Engine Control Module.<\/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\">S5<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.0 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\">RS5<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">3.0 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\">A5 Quattro<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.0 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\">S5<\/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\">RS5<\/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\">A5 Quattro<\/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\">S5<\/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\">RS5<\/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 the module is installed, the factory procedure requires a relearn of the PCM and ECM to ensure proper integration with the vehicle\u2019s network. Because Flagship One units arrive VIN\u2011programmed, these relearn steps are already performed, eliminating the need for additional programming work <a href=\"https:\/\/www.fs1inc.com\/2015-audi-a5-2-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">VIN\u2011programmed replacement unit<\/a> for the correct application.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Typical signs of a failing Powertrain Control Module in a 2015 Audi A5 include engine misfires, stalling, and erratic shift patterns. The vehicle may also display codes such as P0603, indicating a communication error within the powertrain system <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\">Powertrain Control Module Communication Error<\/a>. Additionally, a dead scan\u2011tool connection or intermittent loss of engine performance may point to this component.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2015 Audi A5<\/h2>\n<p>The following trouble codes are specific to the Powertrain Control Module in a 2015 Audi A5. These codes help technicians pinpoint the exact nature of the malfunction.<\/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-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0603<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Keep-alive memory (KAM) error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1\"><b><u>Full P0603 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-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0604<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal RAM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1\"><b><u>Full P0604 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-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0605<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal ROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1\"><b><u>Full P0605 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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0608-control-module-vss-output\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0608<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0608-control-module-vss-output\/\" 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-p0608-control-module-vss-output\/\" style=\"color:#0563C1\"><b><u>Full P0608 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P060A<\/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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P060B<\/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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0613-tcm-processor\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0613<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0613-tcm-processor\/\" 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-p0613-tcm-processor\/\" style=\"color:#0563C1\"><b><u>Full P0613 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-p062f-internal-control-module-eeprom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P062F<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p062f-internal-control-module-eeprom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal EEPROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p062f-internal-control-module-eeprom-error\/\" style=\"color:#0563C1\"><b><u>Full P062F 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-p0667-control-module-internal-temperature-sensor-rangeperformance\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0667<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0667-control-module-internal-temperature-sensor-rangeperformance\/\" 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-p0667-control-module-internal-temperature-sensor-rangeperformance\/\" style=\"color:#0563C1\"><b><u>Full P0667 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-u0100-lost-communication-ecmpcm\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0100<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0100-lost-communication-ecmpcm\/\" 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-u0100-lost-communication-ecmpcm\/\" style=\"color:#0563C1\"><b><u>Full U0100 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2015 Audi A5<\/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 irregularities.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep the PCM connectors clean and free of corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use proper jump\u2011start procedures to prevent voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Respond promptly to any diagnostic codes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect connector seals for integrity during regular service.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What causes a P0603 code in my 2015 Audi A5?<\/h3>\n<p>The P0603 code indicates a communication error within the Powertrain Control Module. This can result from a faulty module, a damaged connector, or an electrical issue that disrupts data exchange between control units.<\/p>\n<h3>How long does the PCM replacement take on a 2015 Audi A5?<\/h3>\n<p>Labor times vary by model, but for a standard PCM it typically takes 1.0 hour for removal and reinstallation, plus 0.5 hour each for PCM and ECM relearn procedures.<\/p>\n<h3>Do I need to relearn the ECM after a PCM replacement?<\/h3>\n<p>Yes, the factory procedure requires an ECM relearn to synchronize the engine control unit with the new PCM, ensuring proper engine timing and fuel management.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Whether you opt for a professional repair or a refurbished replacement, understanding the 2015 Audi A5 PCM replacement process can help you make an informed decision. The module\u2019s location, labor times, and programming requirements are all critical factors when evaluating your options.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2015-audi-a5-2-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2015 Audi A5<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/audi-ecm-pcm-ecu-engine-computer\/a5-engine-computers.html\">Audi A5 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 the Powertrain Control Module in your 2015 Audi A5 promptly can prevent further performance issues. Consider a reliable replacement strategy to keep your vehicle running smoothly.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2015 Audi A5 shows P0603 or similar codes, a PCM replacement may be needed. Proper removal and programming can restore powertrain performance.<\/p>\n","protected":false},"author":1,"featured_media":522852,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[309,258],"tags":[399,1488,310],"class_list":["post-532460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audi","category-car","tag-399","tag-a5","tag-audi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2015 Audi A5 Powertrain Control Module 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\/2015-audi-a5-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2015 Audi A5 Powertrain Control Module Replacement - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2015 Audi A5 shows P0603 or similar codes, a PCM replacement may be needed. 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