{"id":532597,"date":"2026-07-17T16:14:31","date_gmt":"2026-07-17T20:14:31","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=532597"},"modified":"2026-07-17T16:14:31","modified_gmt":"2026-07-17T20:14:31","slug":"2019-audi-a3-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2019-audi-a3-pcm-replacement-guide\/","title":{"rendered":"2019 Audi A3 Powertrain Control Module Replacement"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2019 Audi A3 Powertrain Control Module Replacement<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module in the 2019 Audi A3 directs engine, transmission, and emission functions. A failure can cause stalling, misfires, or loss of engine management.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM manages engine timing and fuel delivery.<\/li>\n<li>Failure can trigger codes P0604 to U019B.<\/li>\n<li>Replacement requires 0.9 hours of labor.<\/li>\n<li>The unit is VIN\u2011programmed by Flagship One.<\/li>\n<li>Proper installation restores communication and performance.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>Many Audi A3 owners notice sudden stalling, misfires, or a failed start when their 2019 model encounters a PCM fault. Understanding the role of the Powertrain Control Module helps you decide whether a repair or replacement is appropriate. This guide explains the PCM\u2019s function, the steps to replace it, and what to expect during the process, so you can maintain your vehicle\u2019s performance and reliability.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2019 Audi A3<\/h2>\n<p>The Powertrain Control Module in the 2019 Audi A3 orchestrates engine and transmission operations. It processes sensor inputs, controls ignition timing, fuel injection, and communicates with other modules. A malfunction can lead to stalling, misfires, and loss of power. The PCM also manages emissions control, ensuring compliance with regulations. <a href=\"https:\/\/www.fs1inc.com\/audi-ecm-pcm-ecu-engine-computer\/a3-engine-computers.html\">replacement engine computers for the 2019 Audi A3<\/a> is essential for restoring proper engine management once a fault occurs.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What Replacing the PCM Involves<\/h2>\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\/2019-audi-a3-pcm-service-figure.webp\" alt=\"2019 Audi A3 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2019 Audi A3.<\/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 2019 Audi A3<\/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> the battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Release<\/b> the retainers in direction of -arrow A- and remove the Engine Control Module.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Unlock<\/b> and disconnect the connectors from the Engine.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the shear bolts to remove the protective housing.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the shear bolt with a screwdriver.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the protective housing from the Engine Control.<\/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\">A3<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.9 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\">A3 Quattro<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.9 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\">S3<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.9 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\">A3<\/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\">A3 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\">Powertrain Control Module Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">S3<\/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\">A3<\/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\">A3 Quattro<\/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 PCM is installed, the vehicle\u2019s factory procedure normally requires a relearn of the engine and transmission. Flagship One units arrive VIN\u2011programmed, so those relearn steps are already completed. The installer may only need to verify communication. <a href=\"https:\/\/www.fs1inc.com\/2019-audi-a3-2-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> eliminates the need for additional programming.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in the 2019 Audi A3 may show as a no\u2011start condition, frequent stalling, or unexpected engine misfires. Drivers might also observe irregular shifting or a loss of power. The system may log codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\">P0604<\/a> or <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0111-lost-communication-battery-energy-control-module\/\">U0111<\/a>. When a PCM fault occurs, the scan tool may display dead\u2011wire communication or high\u2011speed data loss, indicating that the module is not functioning properly.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2019 Audi A3<\/h2>\n<p>The 2019 Audi A3\u2019s PCM can generate several internal trouble codes. The list below identifies common issues detected by the module.<\/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-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-p0607-control-module-performance\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0607<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0607-control-module-performance\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module performance fault<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0607-control-module-performance\/\" style=\"color:#0563C1\"><b><u>Full P0607 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\"><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-p0634-control-module-internal-temperature-too-high\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0634<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0634-control-module-internal-temperature-too-high\/\" 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-p0634-control-module-internal-temperature-too-high\/\" style=\"color:#0563C1\"><b><u>Full P0634 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P064F<\/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>P165D<\/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-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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0111-lost-communication-battery-energy-control-module\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0111<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0111-lost-communication-battery-energy-control-module\/\" 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-u0111-lost-communication-battery-energy-control-module\/\" style=\"color:#0563C1\"><b><u>Full U0111 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-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0121<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" 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-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" style=\"color:#0563C1\"><b><u>Full U0121 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-u0140-lost-communication-body-control-module\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0140<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0140-lost-communication-body-control-module\/\" 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-u0140-lost-communication-body-control-module\/\" style=\"color:#0563C1\"><b><u>Full U0140 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2019 Audi A3<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep the charging system healthy to prevent voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean all electrical connectors and grounds.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid using a jump starter that exceeds the recommended voltage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly to avoid further damage.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Maintain the integrity of connector seals to prevent moisture ingress.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Verify that the battery is fully charged before driving.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How long does it take to replace the PCM on a 2019 Audi A3?<\/h3>\n<p>The typical labor time is 0.9 hours, which includes removal of the old unit and installation of the new one.<\/p>\n<h3>Will the new PCM need to be programmed after installation?<\/h3>\n<p>Flagship One units are VIN\u2011programmed, so the factory relearn steps are already completed. No additional programming is required.<\/p>\n<h3>What symptoms indicate a PCM failure in my 2019 Audi A3?<\/h3>\n<p>Common signs include stalling, misfires, a no\u2011start condition, or irregular shifting. Diagnostic codes such as P0604 or U0111 may also appear.<\/p>\n<h3>Can a faulty PCM cause emission control problems?<\/h3>\n<p>Yes, because the module manages emissions systems. A malfunction can lead to incorrect sensor readings and reduced efficiency.<\/p>\n<h3>Is the PCM located near the battery or the engine?<\/h3>\n<p>The PCM is positioned behind the dashboard on the passenger side, not directly under the battery or engine.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>Whether you choose to replace the PCM yourself or have a technician perform the job, you can rely on a high\u2011quality, VIN\u2011programmed unit to restore your 2019 Audi A3\u2019s performance. If you prefer a more economical option, a refurbished module is also available, though it may require additional programming steps.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2019-audi-a3-2-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2019 Audi A3<\/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\/a3-engine-computers.html\">Audi A3 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 2019 Audi A3\u2019s Powertrain Control Module is critical to engine and transmission performance. A reliable replacement ensures that your vehicle runs smoothly and safely. Contact a qualified technician to get the right module for your car.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2019 Audi A3 stalls or fails to start, a PCM issue may be the culprit. Replace the unit carefully to restore reliable performance.<\/p>\n","protected":false},"author":1,"featured_media":525150,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[309,258],"tags":[790,717,310],"class_list":["post-532597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audi","category-car","tag-790","tag-a3","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>2019 Audi A3 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\/2019-audi-a3-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2019 Audi A3 Powertrain Control Module Replacement - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2019 Audi A3 stalls or fails to start, a PCM issue may be the culprit. 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