{"id":64615,"date":"2022-01-11T21:54:20","date_gmt":"2022-01-12T05:54:20","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=64615"},"modified":"2024-08-19T23:48:14","modified_gmt":"2024-08-20T06:48:14","slug":"p1744-code-torque-converter-clutch-system-stuck-in-off-position","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\/","title":{"rendered":"P1744 Code: Torque Converter Clutch System Stuck in Off Position"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col,.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col{flex-direction:column;}.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column64615_7e0ce6-3b{position:relative;}@media all and (max-width: 1024px){.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column64615_7e0ce6-3b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column64615_7e0ce6-3b inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-9d0944  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-81ac9c\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf, .wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf[data-kb-block=\"kb-adv-heading64615_4abf3e-bf\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf[data-kb-block=\"kb-adv-heading64615_4abf3e-bf\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading64615_4abf3e-bf[data-kb-block=\"kb-adv-heading64615_4abf3e-bf\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading64615_4abf3e-bf summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading64615_4abf3e-bf\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC P1744 stands for &ldquo;Torque Converter Clutch System Performance.&rdquo; It&rsquo;s triggered when the PCM detects a problem with the torque converter clutch application.<\/li>\n\n\n\n<li>Problems that can cause code P1744 include low levels of transmission fluid, transmission fluid contamination, and a damaged or malfunctioning TCC solenoid valve.<\/li>\n\n\n\n<li>The most common symptoms of P1744 include a lit check engine light, an overheating transmission, and poor fuel mileage.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>On-board diagnostic (OBD) codes help mechanics and vehicle owners identify vehicle problems easily. But before you can troubleshoot and fix these problems, you&rsquo;ll need to have an idea about what they mean.<\/p>\n\n\n\n<p>Code P1744 is one of the many trouble codes that your vehicle&rsquo;s powertrain control module (PCM) can log. Here&rsquo;s some helpful information about this trouble code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P1744 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P1744 is a manufacturer-specific code (usually used by Ford)&nbsp; that stands for &ldquo;Torque Converter Clutch System Performance.&rdquo; This code is logged when the vehicle&rsquo;s PCM detects a problem with the application of the torque converter clutch (TCC).<\/p>\n\n\n\n<p>Modern automatic transmissions come with a <a href=\"https:\/\/www.carparts.com\/torque-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"torque converter\">torque converter<\/a>, which (under certain conditions) multiplies the rotational force being transferred from the engine to the transmission. This component also acts as a fluid coupling between the engine and the transmission to prevent stalling when the vehicle is stopped and in gear.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-1024x681.jpg\" alt=\"car mechanic taking the torque converter from the automatic transmission\" class=\"wp-image-64616\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-1536x1022.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/car-mechanic-taking-the-torque-converter-from-the-automatic-transmission-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Modern automatic transmissions come with a torque converter, which (under certain conditions) multiplies the rotational force being transferred from the engine to the transmission.<\/figcaption><\/figure>\n\n\n\n<p>All modern torque converters have a lockup clutch that eliminates the energy-wasting slippage within the torque converter by creating a solid mechanical connection between the engine and the transmission during high gear highway cruise for better fuel economy.<\/p>\n\n\n\n<p>That being said, since about 1990, almost all vehicles engage their torque converter clutches in stages leading up to 100% lockup.<\/p>\n\n\n\n<p>That means the solenoid is designed to function more or less as a &ldquo;variable force&rdquo; solenoid that provides a calculated pressure feed to the converter clutch as commanded for controlled slip right up until the TCC reaches the 100% command, which is supposed to be full lockup.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P1744 on Some Ford Vehicles<\/h3>\n\n\n\n<p>On a <a href=\"https:\/\/www.carparts.com\/vehicle\/2015\/Ford\/F-150\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"2015 F150\">2015 F150<\/a>, for example, a P1744 means &ldquo;Torque Converter Clutch Solenoid Circuit Performance.&rdquo; Unlike the generic P0744 code, this is a non-electrical fault but rather a performance fault. This means that the PCM\/TCM detected no electrical fault but through other sensors determined that the solenoid is not responding mechanically to the electromagnetic coil. Either that, or another mechanical problem is occurring in the torque converter itself to make it appear that the command isn&rsquo;t being followed.<\/p>\n\n\n\n<p>You can learn more in our brief technical discussion about the <a href=\"https:\/\/www.carparts.com\/blog\/p0744-code-torque-converter-clutch-circuit-intermittent\/#About_the_Torque_Converter_Solenoid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"torque converter solenoid\">torque converter solenoid<\/a>.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P1744 code may be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P1744 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/how-to-check-automatic-transmission-fluid\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Low transmission fluid level\">Low transmission fluid level<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/how-to-change-transmission-fluid\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dirty transmission fluid\">Dirty transmission fluid<\/a><\/li>\n\n\n\n<li>Bad <a href=\"https:\/\/www.carparts.com\/torque-converter-clutch-solenoid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"TCC solenoid\">TCC solenoid<\/a> valve<\/li>\n\n\n\n<li>Circuit problems, such as damaged wires or a poor connection<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Failed torque converter\">Failed torque converter<\/a><\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/valve-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"valve body\">valve body<\/a><\/li>\n\n\n\n<li>Transmission internal mechanical problem<\/li>\n\n\n\n<li>An issue with the powertrain control module (PCM) or <a href=\"https:\/\/www.carparts.com\/transmission-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission control module\">transmission control module<\/a> (TCM)<\/li>\n<\/ul>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P1744 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li>\n\n\n\n<li>Overheating transmission<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/what-is-good-gas-mileage\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Poor fuel mileage\">Poor fuel mileage<\/a><\/li>\n\n\n\n<li>Transmission performance problems, such as slippage<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P1744 Code<\/h2>\n\n\n\n<p>There is no one-size-fits-all approach to diagnosing code P1744. The steps for fixing this code will vary depending on your vehicle&rsquo;s year, make, and model.<\/p>\n\n\n\n<p>Check out the video below to get an idea of what the diagnostic process for this code might involve:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"1991-2002 Ford Escort Automatic Transmission Troubleshooting P1744 P0748 P1740 P1742 Pt. 1 Tracer\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/5-2T4qyL7JU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P1744 Code<\/h2>\n\n\n\n<p>Although various vehicles can log code P1744, the appropriate diagnostic and repair procedure can differ across models. If you&rsquo;re unfamiliar with auto repair, it&rsquo;s best to let a trusted mechanic fix the problem for you.<\/p>\n\n\n\n<p>If you&rsquo;re considering fixing this code on your own, it&rsquo;s a good idea to do some research before pushing through with the repair. We recommend consulting a vehicle-specific <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manual or an online repair database\">repair manual or an online repair database<\/a> to learn the appropriate diagnostic procedures for this code.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>On-board diagnostic (OBD) codes help mechanics and vehicle owners identify vehicle problems easily. But before you can troubleshoot and fix&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":64617,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[1215,2097,1222,3168],"ppma_author":[2607,2985],"class_list":{"0":"post-64615","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-torque-converter","9":"tag-torque-converter-clutch-solenoid-2","10":"tag-transmission-control-module","11":"tag-valve-body","12":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P1744 Code: Torque Converter Clutch System Stuck in Off Position - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Discover what the P1744 code means, its possible causes, and the common symptoms related to it.\" \/>\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.carparts.com\/blog\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P1744 Code: Torque Converter Clutch System Stuck in Off Position - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Discover what the P1744 code means, its possible causes, and the common symptoms related to it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-12T05:54:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-20T06:48:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/torque-converter-held-by-mechanic-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1365\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1744-code-torque-converter-clutch-system-stuck-in-off-position\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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He has produced a coffee table book of digital watercolors called \u201cMemories of South Alabama\u201d created from his personal photos, along with a dozen Christian fiction short original novels and a collection of short stories, all available in Kindle or softcover format. 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