{"id":46255,"date":"2021-12-02T01:17:47","date_gmt":"2021-12-02T09:17:47","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=46255"},"modified":"2024-08-19T23:41:56","modified_gmt":"2024-08-20T06:41:56","slug":"p2111-code-throttle-actuator-control-system-stuck-open","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2111-code-throttle-actuator-control-system-stuck-open\/","title":{"rendered":"P2111 Code: Throttle Actuator Control System Stuck Open"},"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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col,.kadence-column46255_cbc4c7-b1 > .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-column46255_cbc4c7-b1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column46255_cbc4c7-b1{position:relative;}@media all and (max-width: 1024px){.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column46255_cbc4c7-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column46255_cbc4c7-b1 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-08f1af  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ae60f5\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading46255_b7e469-a0, .wp-block-kadence-advancedheading.kt-adv-heading46255_b7e469-a0[data-kb-block=\"kb-adv-heading46255_b7e469-a0\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading46255_b7e469-a0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading46255_b7e469-a0[data-kb-block=\"kb-adv-heading46255_b7e469-a0\"] 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-heading46255_b7e469-a0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading46255_b7e469-a0[data-kb-block=\"kb-adv-heading46255_b7e469-a0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading46255_b7e469-a0 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading46255_b7e469-a0\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC P2111 stands for &ldquo;Throttle Actuator Control System Stuck Open.&rdquo; The PCM usually logs it when it detects that the electronic throttle body isn&rsquo;t closing as it should.<\/li>\n\n\n\n<li>Many vehicles also log this code when the throttle body is binding or when the throttle actuator control module circuits are cross-wired or shorted.<\/li>\n\n\n\n<li>A logged P2111 can cause the vehicle to get stuck in limp mode and deliver poor engine performance.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The electronic throttle control (ETC) system (or drive-by-wire) is a system that electrically opens a vehicle&rsquo;s throttle valve. It consists of a throttle body motor that is monitored by the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM). If the PCM determines during a system self-test that the electronic throttle body is unable to close properly, engine code P2111 will be logged by on-board diagnostics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2111 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) P2111 stands for &ldquo;Throttle Actuator Control System Stuck Open.&rdquo; This DTC sets when the PCM detects an indication that the throttle plate is at a greater angle than the PCM has commanded. Ford refers to the electronic throttle body as a Throttle Actuator Control Motor (TACM).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-1024x683.jpg\" alt=\"close up of old throttle Body of car\" class=\"wp-image-46357\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-old-throttle-Body-of-car-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"> The throttle motor controls the movement of the throttle plate, allowing more or less air to flow through the engine depending on how fast the driver wants to go.<\/figcaption><\/figure>\n\n\n\n<p>Possible causes on a Ford vehicle are listed as follows but are similar on other vehicles:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Throttle body stuck open or binding<\/li>\n\n\n\n<li>TACM+ circuit open<\/li>\n\n\n\n<li>TACM- circuit open<\/li>\n\n\n\n<li>TACM+ and TACM- circuits are cross wired<\/li>\n\n\n\n<li>TACM+ and TACM- circuits are shorted together<\/li>\n\n\n\n<li>Damaged PCM<\/li>\n<\/ul>\n\n\n\n<p>The throttle motor controls the movement of the throttle plate, allowing more or less air to flow through the engine depending on how fast the driver wants to go. This is possible because of the PCM (or a dedicated <a href=\"https:\/\/www.carparts.com\/throttle-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle control module\">throttle control module<\/a>), which changes the current that flows through the motor to move the throttle plate to its desired position.<\/p>\n\n\n\n<p>A problem with the throttle actuator control system may cause the PCM to restrict its operations. This is known as the &ldquo;limp home mode&rdquo; or a &ldquo;fail-safe&rdquo; position, where the engine is held at idle or has limited power to prevent unwanted acceleration.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2111 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<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 Possible Causes of the P2111 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/blog\/bad-throttle-position-sensor-symptoms-what-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position sensor\">throttle position sensor<\/a> or <a href=\"https:\/\/www.carparts.com\/accelerator-pedal-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"pedal position sensor\">pedal position sensor<\/a><\/li>\n\n\n\n<li>Dirty or defective <a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body\">throttle body<\/a><\/li>\n\n\n\n<li>Defective throttle actuator control motor<\/li>\n\n\n\n<li>Circuit issues, such as damaged wires or a poor connection<\/li>\n\n\n\n<li>An issue with the PCM, such as software in need of an update<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2111 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vehicle stuck in &ldquo;<a href=\"https:\/\/www.carparts.com\/blog\/web-stories\/what-is-limp-mode\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"limp mode\">limp mode<\/a>&rdquo;<\/li>\n\n\n\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>Poor engine performance<\/li>\n\n\n\n<li>Engine won&rsquo;t start<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2111 Code<\/h2>\n\n\n\n<p>Trouble code P2111 is a generic powertrain DTC that applies to vehicles equipped with a drive-by-wire throttle control system. While different makes may exhibit similar symptoms, protocols for diagnosing and repairing each one may vary depending on the automaker&rsquo;s specifications.<\/p>\n\n\n\n<p>If you&rsquo;re someone who&rsquo;s not familiar with diagnosing DTCs on your own, it&rsquo;s a good idea to bring your vehicle to a licensed mechanic to get a proper diagnosis. But if you&rsquo;re a seasoned DIYer who knows your way around diagnosing trouble codes, then you may do so yourself. To help you out, we&rsquo;ve rounded up a couple of videos that show what steps the process 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=\"Codes P2111 &amp; P2112 Chrysler 2.4 Electronic Throttle Body replacement\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cU-njAiNa8o?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<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=\"Toyota Truck LIMP-HOME (P2111)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/HYw-iAO7UiI?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 P2111 Code<\/h2>\n\n\n\n<p>Fixing the issues related to your vehicle&rsquo;s throttle actuator control system may be a confusing task if you don&rsquo;t have the right tools and automotive know-how. If you&rsquo;re not confident with your DIY skills yet, it&rsquo;s best to leave the job to a certified mechanic to ensure that all necessary steps in repairing your vehicle are done correctly.<\/p>\n\n\n\n<p>If you plan on diagnosing and repairing your vehicle on your own, <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manuals and repair databases\">repair manuals and repair databases<\/a> are extremely helpful because they provide vehicle-specific repair information.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Safety Reminder About Handling the Throttle Body<\/h3>\n\n\n\n<p>Please note that although the throttle body has an internal spring designed to close the throttle plate for safety, while the PCM is engaged, the throttle motor drives the throttle blade open and closed, so <strong>never put your finger in the throttle body<\/strong>. If the motor is driving the throttle blade shut it can seriously injure your finger.<\/p>\n\n\n\n<p>Also, some throttle bodies can be ruined to the point of needing replacement if you simply open the throttle plate by hand on the bench. This can blindside you if you have managed to open a throttle plate without ruining it. Always err on the side of caution.<\/p>\n\n\n\n<p>So, to prevent severe personal injury and\/or expensive mistakes, <em>keep your fingers out of the throttle body at all times<\/em>. If you need to clean the throttle body, have an assistant turn on the key (not start the engine) and open the throttle plate by pressing the accelerator pedal. And do the cleaning with a toothbrush, not your fingers and a rag.<\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The electronic throttle control (ETC) system (or drive-by-wire) is a system that electrically opens a vehicle&rsquo;s throttle valve. It consists&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2111-code-throttle-actuator-control-system-stuck-open\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":46358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":[1680,1615,1679],"ppma_author":[2607,2985],"class_list":{"0":"post-46255","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-accelerator-pedal-position-sensor","9":"tag-throttle-body","10":"tag-throttle-position-sensor","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2111 Code: Throttle Actuator Control System Stuck Open - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn about what P2111 code means, its symptoms, as well as its most common triggers. Plus find out what to do if you get this code.\" \/>\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\/p2111-code-throttle-actuator-control-system-stuck-open\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2111 Code: Throttle Actuator Control System Stuck Open - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn about what P2111 code means, its symptoms, as well as its most common triggers. Plus find out what to do if you get this code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2111-code-throttle-actuator-control-system-stuck-open\/\" \/>\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=\"2021-12-02T09:17:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-20T06:41:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/close-up-of-throttle-body-and-engine-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1457\" \/>\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\\\/p2111-code-throttle-actuator-control-system-stuck-open\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2111-code-throttle-actuator-control-system-stuck-open\\\/\"},\"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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