{"id":523921,"date":"2026-07-15T22:23:53","date_gmt":"2026-07-16T02:23:53","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=523921"},"modified":"2026-07-19T10:54:37","modified_gmt":"2026-07-19T14:54:37","slug":"2019-cadillac-ats-v-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2019-cadillac-ats-v-pcm-replacement-guide\/","title":{"rendered":"2019 Cadillac ATS-V Powertrain and Engine Control Module Overview"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2019 Cadillac ATS-V Powertrain and Engine Control Module Overview<\/h1>\n<p class=\"hero-subtitle\">In the 2019 Cadillac ATS\u2011V, the Powertrain Control Module and Engine Control Module manage engine timing, fuel delivery, and emission controls. Failure of either unit may cause intermittent MIL illumination, stalling, misfires, or a crank\u2011no\u2011start condition, often accompanied by diagnostic codes such as P0601.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>Replacing the PCM typically requires 1.4\u202fhours of labor.<\/li>\n<li>ECM replacement also averages 1.4\u202fhours of work.<\/li>\n<li>Both modules need a relearn step of about 0.5\u202fhours after installation.<\/li>\n<li>A short reset of 0.3\u202fhours applies to the ECM after replacement.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2019 Cadillac ATS\u2011V begins to exhibit random engine stalls, misfires, or a lit MIL, the underlying cause often traces back to the vehicle&#8217;s control modules. Understanding how the Powertrain Control Module (PCM) and Engine Control Module (ECM) function, what the factory recommends for removal and replacement, and how Flagship One&#8217;s pre\u2011programmed units simplify the process can help you make an informed decision about repair or refurbishment.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2019 Cadillac ATS-V<\/h2>\n<p>The PCM in the 2019 Cadillac ATS\u2011V coordinates powertrain functions, including transmission shift logic and engine performance, while the ECM focuses on engine management, fuel injection, and emissions monitoring. Together they ensure smooth acceleration and compliance with emissions standards. Proper operation is critical because any fault can trigger drivability issues. The vehicle often relies on <a href=\"https:\/\/www.fs1inc.com\/gm\/cadillac-pcm-ecm-ecu-engine-computer\/ats-v-engine-computers.html\">replacement engine computers for the 2019 Cadillac ATS\u2011V<\/a> to maintain performance after a failure.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>Both the PCM and ECM are located within the engine compartment and connect to a series of wiring harnesses. Removal involves disconnecting the ECM connectors with the ignition turned off, as cautioned by the factory, to avoid damage. Labor times are listed as 1.4\u202fhours for each module removal and replacement, with an additional 0.5\u202fhours for the required relearn procedure. The ECM also requires a brief 0.3\u2011hour reset after installation.<\/p>\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 Cadillac ATS-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\">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\">1.4 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\">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\">1.4 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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After installing a new module, the factory procedure calls for a relearn of the PCM and ECM, each taking about half an hour, and a short reset for the ECM. Flagship One supplies a <a href=\"https:\/\/www.fs1inc.com\/2019-cadillac-ats-v-3-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN\u2011programmed replacement unit<\/a> that arrives already calibrated, eliminating the need for those post\u2011install steps.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Typical signs of a failing PCM or ECM in the 2019 Cadillac ATS\u2011V include intermittent MIL illumination, stalling during idle, misfire events, and a crank\u2011no\u2011start condition. Diagnostic scans often reveal internal faults such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">PCM internal communication error<\/a>, along with a range of other codes. Communication loss with scan tools and erratic shifting may also be observed.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2019 Cadillac ATS-V<\/h2>\n<p>The following internal diagnostic codes have been documented for the 2019 Cadillac ATS\u2011V and may appear when the PCM or ECM experiences a fault:<\/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-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-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\"><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\"><b>P060C<\/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>P060D<\/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-p0610-control-module-vehicle-options-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0610<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0610-control-module-vehicle-options-error\/\" 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-p0610-control-module-vehicle-options-error\/\" style=\"color:#0563C1\"><b><u>Full P0610 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>Bulletin #PIP5790B (Apr\u202f7\u202f2022) warns that corroded ECM connector terminals contaminated with coolant or oil can cause intermittent MIL illumination, stalling, misfires, or no\u2011start conditions. Bulletin #PIP5373B (Jun\u202f11\u202f2018) addresses ECM programming errors E4491\/E4423, and #PIP5597 (Oct\u202f8\u202f2018) notes that technicians may be prompted to enter the engine identification number during ECM programming.<\/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\">Preliminary Information &gt; Engine\/Propulsion &gt; #PIP5790B: ECM Connector Terminals Corroded Conta<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Vehicle may exhibit intermittent MIL illumination, vehicle may also exhibit stalling, cylinder misfire or crank no start all conditions typically with any\u2026<\/td>\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\">Preliminary Information &gt; Engine\/Propulsion &gt; #PIP5373B: Program ECM Error E4491\/E4423 &#8211; (Jun 1<\/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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Preliminary Information &gt; Engine\/Propulsion &gt; #PIP5597: Engine identification Number Requested <\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">During the programming of some ECM&#8217;s, the technician may be prompted to input the engine identification<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2019 Cadillac ATS-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 irregularities.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean connector grounds and terminals regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump\u2011starting or exposing the vehicle to voltage spikes.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address diagnostic codes promptly before they recur.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure connector seals remain intact to prevent moisture intrusion.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>What are the labor times for replacing the PCM in a 2019 Cadillac ATS\u2011V?<\/h3>\n<p>Factory labor guides list 1.4\u202fhours for the Powertrain Control Module removal and installation, plus an additional 0.5\u202fhours for the required relearn step.<\/p>\n<h3>Can a 2019 Cadillac ATS\u2011V run with a refurbished ECM?<\/h3>\n<p>Yes, a refurbished ECM that matches the vehicle\u2019s specifications can be used, provided it is programmed to the correct VIN and the ignition is turned off when handling the connectors.<\/p>\n<h3>What should I watch for after an ECM replacement on my ATS\u2011V?<\/h3>\n<p>After replacement, monitor for any persistent MIL illumination, stalling, or misfire codes, and verify that the post\u2011install reset has been completed or that a VIN\u2011programmed unit was installed.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the PCM or ECM in your 2019 Cadillac ATS\u2011V fails, you can choose a factory\u2011approved repair or consider a Flagship One refurbished unit. Both paths aim to restore reliable engine performance, but a pre\u2011programmed replacement can reduce shop time and eliminate the need for post\u2011install relearn procedures.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2019-cadillac-ats-v-3-6l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2019 Cadillac ATS-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\/ats-v-engine-computers.html\">Cadillac ATS-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>If your 2019 Cadillac ATS\u2011V is showing symptoms linked to its powertrain or engine control modules, evaluating a refurbished replacement from Flagship One may offer a cost\u2011effective solution while ensuring proper functionality. Contact a qualified technician to assess the best option for your vehicle.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2019 Cadillac ATS\u2011V shows MIL, stalls, misfires or no\u2011start, remember to turn the ignition off when handling ECM connectors; proper repair can restore drivability.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[450,258],"tags":[790,1260,66],"class_list":["post-523921","post","type-post","status-publish","format-standard","hentry","category-cadillac","category-car","tag-790","tag-ats-v","tag-cadillac"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2019 Cadillac ATS-V Powertrain and Engine Control Module Overview - 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-cadillac-ats-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=\"2019 Cadillac ATS-V Powertrain and Engine Control Module Overview - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 2019 Cadillac ATS\u2011V shows MIL, stalls, misfires or no\u2011start, remember to turn the ignition off when handling ECM connectors; 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