{"id":531257,"date":"2026-07-17T11:06:48","date_gmt":"2026-07-17T15:06:48","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=531257"},"modified":"2026-07-17T11:06:48","modified_gmt":"2026-07-17T15:06:48","slug":"2019-infiniti-q60-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2019-infiniti-q60-pcm-replacement-guide\/","title":{"rendered":"2019 Infiniti Q60 PCM and ECM: Complete Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2019 Infiniti Q60 PCM and ECM: Complete Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module and Engine Control Module in your 2019 Infiniti Q60 serves as the central computer managing engine timing, fuel delivery, emission controls, and transmission shifting. Internal processor faults within this module can trigger stored trouble codes and cause drivability problems.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The 2019 Infiniti Q60 uses an integrated PCM that handles both engine and transmission functions<\/li>\n<li>Module internal fault code P0605 indicates internal memory integrity problems<\/li>\n<li>PCM replacement requires either relearn or reset procedures depending on the module type<\/li>\n<li>Flagship One replacement units arrive pre-programmed with your vehicle&#8217;s VIN<\/li>\n<li>Book time for PCM R&amp;R on this vehicle is 0.8 hours plus any required relearn procedures<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2019 Infiniti Q60 has developed a no-start condition, is running roughly, or has triggered a check engine light related to the Powertrain Control Module or Engine Control Module, you are likely facing a decision between expensive dealer replacement or a more cost-effective alternative. The PCM in modern Infiniti vehicles is a sophisticated computer that manages multiple vehicle functions beyond simple engine control, including transmission behavior, fuel economy calculations, and emission system monitoring. When this module experiences internal failures, the vehicle may exhibit a range of symptoms from intermittent stalling to complete refusal to start. This guide explains what the PCM and ECM do in your specific vehicle, common failure symptoms, the replacement process, and why choosing a pre-programmed replacement unit from Flagship One can save you significant time and money compared to dealer pricing and programming fees.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2019 Infiniti Q60<\/h2>\n<p>The Powertrain Control Module in your 2019 Infiniti Q60 is the primary electronic brain responsible for coordinating virtually every aspect of your vehicle&#8217;s performance. Unlike older vehicles that used separate computers for engine and transmission control, the PCM integrates these functions into a single unit mounted within the vehicle&#8217;s electronics framework. This module receives input from dozens of sensors throughout the engine bay and uses this data to make real-time adjustments to fuel injection timing, idle air control, variable valve timing, and transmission shift points. The Engine Control Module portion specifically handles combustion management, monitoring oxygen sensors to maintain optimal air-fuel ratios and adjusting ignition timing for power and efficiency. Because the PCM also communicates with the vehicle&#8217;s CAN bus network, it affects how your Q60&#8217;s adaptive cruise control, stability systems, and even dashboard warning systems function. When the internal processor or memory within this module becomes corrupted or fails, the unit can no longer reliably perform these critical functions. <a href=\"https:\/\/www.fs1inc.com\/nissan-pcm-ecm-ecu-engine-computer\/infiniti-pcm-ecm-ecu-engine-computer\/q60-engine-computers.html\">replacement engine computers for the Q60<\/a> are available as alternatives to dealer-sourced units, and choosing the correct module for your specific vehicle configuration is essential for proper operation.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM on the 2019 Infiniti Q60 is typically located in a protected area within the passenger compartment or behind interior panels, designed to shield it from engine bay heat and moisture exposure. Replacement involves removing interior trim panels to access the unit, disconnecting the vehicle&#8217;s battery before beginning work to prevent short circuits, and carefully unplugging the multiple electrical connectors that link the module to the vehicle&#8217;s wiring harness. The book time for Powertrain Control Module R&amp;R on this vehicle is 0.8 hours according to labor guide specifications, though this does not include any subsequent programming or relearn procedures that may be required. After installing the new or refurbished module, the technician must reconnect all connectors, verify proper seating of the unit, and then proceed with the appropriate post-install procedure. For Engine Control Module R&amp;R, the labor guide also lists 0.8 hours as the book time, with additional time needed for reset or relearn procedures depending on whether a new module requires complete vehicle adaptation or simply a parameter reset.<\/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\/2019-infiniti-q60-pcm-service-figure.webp\" alt=\"2019 Infiniti Q60 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">From the factory PCM removal procedure for the 2019 Infiniti Q60.<\/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 Infiniti Q60<\/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> battery negative terminal.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> engine cover.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> ECM harness connectors.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> ECM from the bracket.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Pull<\/b> out ECM in the direction shown by arrow ( 4).<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> bracket from the engine.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Pull<\/b> out ECM upward.<\/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 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\">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\">0.8 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\">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 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\">0.8 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After replacing the PCM or ECM in your 2019 Infiniti Q60, the factory procedure typically requires either a reset or relearn process to establish communication between the new module and the rest of the vehicle&#8217;s systems. The labor guide shows that Powertrain Control Module Relearn requires 0.5 hours, while Engine Control Module Relearn also requires 0.5 hours of shop time. Additionally, an Engine Control Module Reset is listed at 0.3 hours. These procedures allow the new module to learn idle settings, fuel trim values, and transmission adaptive parameters specific to your vehicle&#8217;s engine and drivetrain. Without completing these steps, the vehicle may run roughly, exhibit poor fuel economy, or experience shifting abnormalities. However, when you purchase <a href=\"https:\/\/www.fs1inc.com\/2019-infiniti-q60-3-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a> from Flagship One, the module arrives pre-programmed with your specific vehicle identification number and relevant calibration data. This means many of the factory programming steps have already been completed before the module is installed, potentially reducing the time and complexity of the post-install procedure.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>When the PCM or ECM in your 2019 Infiniti Q60 begins to fail, the vehicle typically exhibits several telltale signs that can help you identify the problem before you are stranded. The most common symptom is a no-start condition where the engine cranking motor engages but the vehicle simply will not run, often accompanied by multiple warning lights illuminating on the dashboard. Intermittent stalling while driving is another frequent complaint, particularly when the module experiences thermal cycling and internal connections become compromised. Misfire codes may populate in the vehicle&#8217;s memory, causing rough idle and reduced power output that makes the car feel sluggish. In some cases, the scan tool may be unable to communicate with the module at all, which is a strong indicator of internal module failure rather than a simple sensor issue. Transmission shifting problems can also stem from PCM issues since the module controls shift firmness and timing. The check engine light may remain constantly illuminated or flash intermittently depending on the severity of the internal fault. <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\">internal memory fault<\/a> specifically indicates that the module has detected an internal programming or memory integrity error, which often correlates with the need for module replacement rather than sensor or wiring repairs.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2019 Infiniti Q60<\/h2>\n<p>The 2019 Infiniti Q60 may store module-internal trouble codes when the PCM or ECM experiences internal failures. One such code documented for this vehicle is P0605, which signals an internal control module memory fault that typically requires replacement of the affected module to resolve.<\/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-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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2019 Infiniti Q60<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain your vehicle&#8217;s charging system by ensuring the battery is in good condition and the alternator is charging at proper voltage, as low voltage can stress the PCM over time<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep all ground connections clean and secure at the battery, engine, and body grounds to prevent electrical noise from corrupting module communications<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting other vehicles or using boost packs connected directly to your Q60&#8217;s battery, as voltage spikes can damage sensitive electronics<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any stored diagnostic trouble codes promptly rather than ignoring warning lights, as underlying issues can worsen over time<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and maintain connector seals around the PCM and related harnesses to prevent moisture intrusion that can cause corrosion<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use quality fuel and keep the fuel system clean, as contaminated fuel can cause sensor malfunctions that place additional burden on the control module<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Will any PCM from a 2019 Infiniti Q60 work in my vehicle?<\/h3>\n<p>No, the PCM must be matched to your vehicle&#8217;s specific engine option and transmission configuration. Using an incorrect module can cause drivability issues or prevent the vehicle from running entirely. Always verify the part number matches your original unit or consult with a specialist to confirm compatibility.<\/p>\n<h3>Can I replace the PCM in my 2019 Q60 myself if I have mechanical experience?<\/h3>\n<p>While mechanically skilled DIYers can handle the physical replacement, programming the module typically requires dealer-grade equipment or access to manufacturer software. Purchasing a pre-programmed unit from Flagship One eliminates this requirement since the module arrives ready to install.<\/p>\n<h3>How do I know if my Q60 needs a PCM replacement versus a simpler repair?<\/h3>\n<p>If your vehicle exhibits multiple unrelated symptoms simultaneously, won&#8217;t start despite having good spark and fuel, or if a scan tool shows no communication with the PCM, module failure is likely. A professional diagnosis can confirm whether the issue is the module itself or related wiring and sensors.<\/p>\n<h3>What happens if I replace the PCM without programming it to my Q60?<\/h3>\n<p>An unprogrammed module will not communicate with your vehicle&#8217;s systems and the car will not run properly. The engine may crank but not start, or run extremely poorly. Some modules can be programmed aftermarket, but many require dealer-level equipment.<\/p>\n<h3>Does a refurbished PCM come with a warranty?<\/h3>\n<p>Reputable suppliers typically offer warranties ranging from 90 days to one year on replacement modules. Flagship One provides warranty coverage on their replacement units, giving you protection against defects or premature failure.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When facing PCM or ECM failure in your 2019 Infiniti Q60, you have two primary repair paths. The first is purchasing a new unit directly from Infiniti, which ensures correct programming but often involves significant wait times and higher costs. The second path is choosing a quality refurbished replacement unit that arrives pre-programmed with your specific VIN, eliminating the need for dealer programming appointments and reducing your overall expense. For this specific vehicle, a pre-programmed replacement offers the most practical balance of cost, convenience, and reliability.<\/p>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2019-infiniti-q60-3-0l-pcm-engine-computer-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 2019 Infiniti Q60<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/nissan-pcm-ecm-ecu-engine-computer\/infiniti-pcm-ecm-ecu-engine-computer\/q60-engine-computers.html\">Infiniti Q60 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 Powertrain Control Module in your 2019 Infiniti Q60 is a critical component that manages your vehicle&#8217;s core engine and transmission functions. When internal failures occur, replacement is typically the only viable solution. By selecting a VIN-programmed unit from Flagship One, you can avoid dealer programming delays and costs while restoring your Q60 to proper operation. With proper installation and the elimination of post-install programming requirements, your vehicle can return to reliable service.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The 2019 Infiniti Q60&#8217;s PCM or ECM failure causes no-start, stalling, and check engine lights. Replacement requires programming \u2014 Flagship One units arrive VIN-programmed.<\/p>\n","protected":false},"author":1,"featured_media":525765,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,319],"tags":[790,320,1313],"class_list":["post-531257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-infiniti","tag-790","tag-infiniti","tag-q60"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2019 Infiniti Q60 PCM and ECM: Complete Replacement Guide - 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-infiniti-q60-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 Infiniti Q60 PCM and ECM: Complete Replacement Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"The 2019 Infiniti Q60&#039;s PCM or ECM failure causes no-start, stalling, and check engine lights. 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