{"id":74317,"date":"2022-10-09T23:28:17","date_gmt":"2022-10-10T06:28:17","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=74317"},"modified":"2023-09-04T19:27:05","modified_gmt":"2023-09-05T02:27:05","slug":"p2100-code-throttle-actuator-a-control-motor-circuit-open","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2100-code-throttle-actuator-a-control-motor-circuit-open\/","title":{"rendered":"P2100 Code: Throttle Actuator &#8220;A&#8221; Control Motor Circuit\/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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_f3f326-ae > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_f3f326-ae > .kt-inside-inner-col,.kadence-column_f3f326-ae > .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-column_f3f326-ae > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_f3f326-ae > .kt-inside-inner-col{flex-direction:column;}.kadence-column_f3f326-ae > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_f3f326-ae > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_f3f326-ae{position:relative;}@media all and (max-width: 1024px){.kadence-column_f3f326-ae > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_f3f326-ae > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_f3f326-ae qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-3a2809  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-98e4c6\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_8d2c6c-ca, .wp-block-kadence-advancedheading.kt-adv-heading_8d2c6c-ca[data-kb-block=\"kb-adv-heading_8d2c6c-ca\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_8d2c6c-ca mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_8d2c6c-ca[data-kb-block=\"kb-adv-heading_8d2c6c-ca\"] 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-heading_8d2c6c-ca img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_8d2c6c-ca[data-kb-block=\"kb-adv-heading_8d2c6c-ca\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_8d2c6c-ca summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_8d2c6c-ca\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P2100 stands for &ldquo;Throttle Actuator &lsquo;A&rsquo; Control Motor Circuit\/Open.&rdquo; It&rsquo;s triggered when the powertrain control module (PCM) detects electrical issues in the TA-A circuit.<\/li><li>Causes of the P2100 code include an Accelerator Pedal Position (APP) assembly malfunction, throttle control motor issues, wiring issues, and PCM failure.<\/li><li>Symptoms of the P2100 code include engine performance issues and the engine going into limp mode.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>More and more modern vehicles now include <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-throttle-actuator-function-and-symptoms-of-failure-explained\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle actuator\">throttle actuator<\/a> control (TAC), also known as electronic throttle control (ETC), in place of the throttle linkage. A gas pedal position sensor and an electronically controlled throttle have taken the place of the mechanical linkage or cable that connects the throttle body to the accelerator pedal.<\/p>\n\n\n\n<p>Your <a href=\"https:\/\/www.carparts.com\/throttle-actuator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle actuator\">throttle actuator<\/a> is a crucial part of this system. It&rsquo;s operated using an electrical signal from the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"power control module\">power control module<\/a> (PCM).&nbsp; P2100 is one of the several trouble codes related to a fault in your throttle actuator control motor TA-A circuit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2100 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) P2100 stands for &ldquo;Throttle Actuator &ldquo;A&rdquo; Control Motor Circuit\/Open.&rdquo; This code is set once the PCM detects electrical issues in the TA-A circuit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-1024x683.jpg\" alt=\"replacement throttle actuator for the car\" class=\"wp-image-74510\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/replacement-throttle-actuator-for-the-car-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your throttle actuator is a crucial part of this system. It&rsquo;s operated using an electrical signal from the power control module (PCM).<\/figcaption><\/figure>\n\n\n\n<p>The throttle valve opening is controlled by the electronic throttle control system (ETCS). When the driver presses the accelerator pedal, the <a href=\"https:\/\/www.carparts.com\/accelerator-pedal-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"accelerator pedal position sensor\">accelerator pedal position sensor<\/a> (APP) sends a signal to the&nbsp; (PCM) informing the PCM of the amount of power the driver is requesting from the engine.<\/p>\n\n\n\n<p>The PCM receives information that helps it decide when and how long to operate the TA-A. These inputs are voltage signals from sensors that measure wheel speed and idle speed. After receiving these, the PCM can alter the signal going to the TA-A.<\/p>\n\n\n\n<p>Once the PCM detects an electrical issue within the circuit, it will log the P2100 code.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2100&nbsp; might 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 Common Causes of the P2100 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Accelerator Pedal Position (APP) assembly malfunction<\/li><li>Throttle control motor issues<\/li><li>Wiring issue<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Powertrain Control Module (PCM) failure\">Powertrain Control Module (PCM) failure<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2100 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Engine performance issues<\/li><li>Engine can go on &ldquo;limp&rdquo; mode.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2100 Code<\/h2>\n\n\n\n<p>DTC P2100 is a generic powertrain code that can be logged on various makes and models.&nbsp; While this is true, keep in mind that the steps for diagnosis and repair may differ depending on the vehicle&rsquo;s specifications.<\/p>\n\n\n\n<p>If you are unfamiliar with vehicle diagnosis and repair, you should leave the job to a professional.<\/p>\n\n\n\n<p>Check out this video to find out what the diagnostic procedure 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=\"P2100 trouble code repair\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/fEtdA3ko1RA?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 P2100 Code<\/h2>\n\n\n\n<p>Without the proper tools and technical know-how, attempting to fix a P2100 code can be complicated. You might want to take your ride to an auto repair shop and have a mechanic diagnose and repair the problem for you.<\/p>\n\n\n\n<p>If you plan on working on your vehicle yourself, reviewing your vehicle&rsquo;s repair manual or subscribing to an online repair information database may be helpful.<\/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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>More and more modern vehicles now include throttle actuator control (TAC), also known as electronic throttle control (ETC), in place&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2100-code-throttle-actuator-a-control-motor-circuit-open\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":74514,"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":[1680,1323,2094],"ppma_author":[2607,2855],"class_list":{"0":"post-74317","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-engine-control-module-2","10":"tag-throttle-actuator","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2100 Code: Throttle Actuator &quot;A&quot; Control Motor Circuit\/Open - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Know more about the P2100 code, its triggers, and the common symptoms related to this trouble code in this article.\" \/>\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\/p2100-code-throttle-actuator-a-control-motor-circuit-open\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2100 Code: Throttle Actuator &quot;A&quot; Control Motor Circuit\/Open - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Know more about the P2100 code, its triggers, and the common symptoms related to this trouble code in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2100-code-throttle-actuator-a-control-motor-circuit-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=\"2022-10-10T06:28:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-05T02:27:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/automotive-throttle-actuator.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\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=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2100-code-throttle-actuator-a-control-motor-circuit-open\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2100-code-throttle-actuator-a-control-motor-circuit-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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