{"id":523898,"date":"2026-07-15T22:22:59","date_gmt":"2026-07-16T02:22:59","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=523898"},"modified":"2026-07-19T10:53:42","modified_gmt":"2026-07-19T14:53:42","slug":"2017-cadillac-cts-v-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2017-cadillac-cts-v-pcm-replacement-guide\/","title":{"rendered":"2017 Cadillac CTS-V ECM Replacement and Common Control Module Issues"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2017 Cadillac CTS-V ECM Replacement and Common Control Module Issues<\/h1>\n<p class=\"hero-subtitle\">The Engine Control Module (ECM) in your 2017 Cadillac CTS-V manages fuel delivery, ignition timing, and emissions systems for the 6.2L V8. Failures may cause drivability issues, poor performance, or complete engine shutdown.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>ECM replacement labor for the 2017 CTS-V 6.2L is typically 0.6 hours<\/li>\n<li>Factory requires ignition off during ECM connector service to prevent damage<\/li>\n<li>Common symptoms include stalling, no-start, or stored trouble codes like P0601<\/li>\n<li>Post-replacement relearn procedures take about 0.5 hours<\/li>\n<li>Flagship One units arrive pre-programmed to your vehicle\u2019s VIN<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2017 Cadillac CTS-V hesitates, stalls, or refuses to start, the Engine Control Module (ECM) may be the culprit. This small but critical computer governs how your 6.2L V8 runs, from fuel injection to spark timing. When it fails, symptoms can range from subtle performance glitches to complete engine shutdown. Understanding what the ECM does, where it\u2019s located, and what replacement involves helps you make informed decisions about repairs. You\u2019ll also learn how to recognize failure symptoms early and what steps to take after a replacement to get your CTS-V running reliably again.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2017 Cadillac CTS-V<\/h2>\n<p>The ECM in your 2017 Cadillac CTS-V acts as the brain of the engine, continuously adjusting fuel delivery, ignition timing, and emissions controls based on sensor inputs. This ensures optimal performance, fuel efficiency, and compliance with emissions standards. A malfunctioning ECM may disrupt these processes, leading to poor drivability or even preventing the engine from starting. Replacing it involves installing <a href=\"https:\/\/www.fs1inc.com\/gm\/cadillac-pcm-ecm-ecu-engine-computer\/cts-v-engine-computers.html\">replacement engine computers for the CTS-V<\/a>, which must be programmed to match your vehicle\u2019s specific configuration. Without proper calibration, the engine may run poorly or fail to start at all.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>In the 2017 Cadillac CTS-V, the ECM is mounted near the engine bay, typically behind a protective cover. Replacing it is relatively straightforward, with labor times listed at 0.6 hours for the 6.2L model. The process involves disconnecting the battery, removing the cover, and carefully unplugging the wiring harness connectors. Factory guidelines emphasize turning the ignition off before handling the connectors to avoid damaging sensitive components. Once the old module is removed, the new one is installed in the same location and reconnected. No additional hardware is required, but proper torque on fasteners ensures secure mounting.<\/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\/2017-cadillac-cts-v-pcm-service-figure.webp\" alt=\"2017 Cadillac CTS-V PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2017 Cadillac CTS-V.<\/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 2017 Cadillac CTS-V<\/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> the negative battery cable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the front compartment fuse block housing.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> any debris from around the control module connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the electrical connectors.<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">3.6L<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.5 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\">6.2L<\/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\">2.0L<\/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 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 Reset<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.3 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\">3.6L<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">1.5 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\">2.0L<\/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\">6.2L<\/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 ECM in your 2017 Cadillac CTS-V, the factory requires a relearn procedure, which typically takes 0.5 hours. This step ensures the module synchronizes with the engine and other vehicle systems. However, if you install <a href=\"https:\/\/www.fs1inc.com\/2017-cadillac-cts-v-6-2l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a>, these steps are already completed, saving you time and potential hassle. The factory also notes that programming other modules may inadvertently clear the ECM\u2019s memory, so it\u2019s important to verify all systems afterward.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing ECM in your 2017 Cadillac CTS-V may cause a range of symptoms, from intermittent stalling to a complete no-start condition. You might notice rough idling, poor acceleration, or the check engine light illuminating. In some cases, the vehicle may enter a reduced-power mode to protect the engine. Common trouble codes associated with ECM failures include <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">internal control module memory checksum error<\/a>, which indicates a problem with the module\u2019s internal memory. Other symptoms may include erratic shifting or communication issues with a scan tool. If you experience these issues, prompt diagnosis is recommended to avoid further drivability problems.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2017 Cadillac CTS-V<\/h2>\n<p>The 2017 Cadillac CTS-V may store specific trouble codes when the ECM fails. These codes help pinpoint the issue and guide repairs. Below are the module-internal codes documented for this vehicle.<\/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-p0602-control-module-programming-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0602<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Control module programming error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#0563C1\"><b><u>Full P0602 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-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-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\"><b>P062B<\/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-p0630-vin-not-programmed-incompatible-ecmpcm\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0630<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0630-vin-not-programmed-incompatible-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-p0630-vin-not-programmed-incompatible-ecmpcm\/\" style=\"color:#0563C1\"><b><u>Full P0630 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>Factory service bulletin #18095 addresses an issue where programming other modules in the 2017 Cadillac CTS-V may inadvertently clear the ECM\u2019s OBD memory. This can lead to drivability issues or stored trouble codes that don\u2019t reflect an actual problem. If you\u2019ve recently had other modules updated, it\u2019s worth checking whether the ECM\u2019s memory was affected, as this may require a reset or relearn procedure to restore proper function.<\/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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Service Update &#8211; ECM OBD Memory Cleared After Programming of Other Modules &#8211; (Jun 11, 2018)<\/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 2017 Cadillac CTS-V<\/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 spikes that can damage the ECM<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep electrical connections clean and secure to prevent corrosion or poor contact<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting with improper voltage, as this may harm sensitive electronics<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address check engine lights promptly to prevent minor issues from escalating<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the ECM\u2019s connector seals are intact to protect against moisture intrusion<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use a battery maintainer if the vehicle sits unused for extended periods<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Why does my 2017 Cadillac CTS-V stall intermittently, and could the ECM be the cause?<\/h3>\n<p>Intermittent stalling in your CTS-V may stem from a failing ECM, especially if accompanied by trouble codes like P0601. The module controls critical engine functions, and disruptions can lead to sudden shutdowns. A diagnostic scan can confirm whether the ECM is the root cause.<\/p>\n<h3>How do I know if my 2017 Cadillac CTS-V needs an ECM replacement rather than a reset?<\/h3>\n<p>If your CTS-V exhibits persistent drivability issues\u2014such as no-start conditions, repeated stalling, or stored module-internal codes\u2014a reset may not resolve the problem. Replacement is often necessary when the ECM\u2019s internal memory or circuitry is compromised.<\/p>\n<h3>What\u2019s the difference between an ECM relearn and a reset for my 2017 Cadillac CTS-V?<\/h3>\n<p>A reset clears temporary data and may resolve minor glitches, typically taking 0.3 hours. A relearn, which takes 0.5 hours, recalibrates the ECM to synchronize with the engine and other systems, ensuring proper operation after replacement.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2017 Cadillac CTS-V\u2019s ECM fails, you have options. A dealership may recommend a new unit, but a refurbished replacement can offer the same reliability at a lower cost. Since labor time is minimal for the 6.2L model, choosing the right module ensures a quick and effective repair. Consider your vehicle\u2019s needs and budget when deciding between repair and replacement.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2017-cadillac-cts-v-6-2l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2017 Cadillac CTS-V<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/gm\/cadillac-pcm-ecm-ecu-engine-computer\/cts-v-engine-computers.html\">Cadillac CTS-V 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 2017 Cadillac CTS-V relies on its ECM to deliver smooth, reliable performance. If you\u2019re experiencing drivability issues or stored trouble codes, addressing the ECM promptly can restore your vehicle\u2019s operation. Whether you opt for a reset, relearn, or replacement, understanding the process helps you make the best choice for your CTS-V.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2017 Cadillac CTS-V with engine stalling, no-start, or misfire codes may need ECM replacement. Learn symptoms, labor times, and factory cautions for this 6.2L model.<\/p>\n","protected":false},"author":1,"featured_media":525331,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[450,258],"tags":[345,66,1251],"class_list":["post-523898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cadillac","category-car","tag-345","tag-cadillac","tag-cts-v"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2017 Cadillac CTS-V ECM Replacement and Common Control Module Issues - 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\/2017-cadillac-cts-v-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2017 Cadillac CTS-V ECM Replacement and Common Control Module Issues - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"2017 Cadillac CTS-V with engine stalling, no-start, or misfire codes may need ECM replacement. 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