{"id":85009,"date":"2023-06-06T23:09:28","date_gmt":"2023-06-07T06:09:28","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=85009"},"modified":"2023-10-13T20:57:40","modified_gmt":"2023-10-14T03:57:40","slug":"p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\/","title":{"rendered":"P1516 Code: Throttle Actuator Control Module Throttle Actuator Position Performance"},"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-column_5d881b-66 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_5d881b-66 > .kt-inside-inner-col,.kadence-column_5d881b-66 > .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_5d881b-66 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_5d881b-66 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_5d881b-66 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_5d881b-66 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_5d881b-66{position:relative;}@media all and (max-width: 1024px){.kadence-column_5d881b-66 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_5d881b-66 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_5d881b-66 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-3dd287  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-31544e\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_5aa03b-57, .wp-block-kadence-advancedheading.kt-adv-heading_5aa03b-57[data-kb-block=\"kb-adv-heading_5aa03b-57\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_5aa03b-57 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_5aa03b-57[data-kb-block=\"kb-adv-heading_5aa03b-57\"] 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_5aa03b-57 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_5aa03b-57[data-kb-block=\"kb-adv-heading_5aa03b-57\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_5aa03b-57 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_5aa03b-57\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P1516 stands for &ldquo;Throttle Actuator Control Module Throttle Actuator Position Performance.&rdquo; This code is set when there is a problem with the TAC module.<\/li><li>The P1516 code is caused by problems with the throttle actuator control (TAC) module, a damaged throttle plate, wiring issues, or a powertrain control module issue.<\/li><li>The symptoms attributed to the P1516 code include a check engine light and little to no throttle response.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Most vehicles have an electronic throttle control (ETC) system that works with 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) to adjust the air-fuel ratio, retard ignition timing, and reduce pumping losses.<\/p>\n\n\n\n<p>The ETC system also has a throttle actuator control (TAC) module that opens and closes<strong> <\/strong>the throttle valve.<\/p>\n\n\n\n<p>A problem with the TAC module can cause on-board diagnostics to log a P1516 trouble code.<\/p>\n\n\n\n<p><strong>Caution:<\/strong> Although the electronic throttle body has an internal spring designed to close the throttle plate for safety, the PCM triggers the motor and its gears to drive the throttle blade open and closed. With that in mind, remember never to open or clean the throttle body with your fingers to avoid the risk of severe injury.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Although the electronic throttle body has an internal spring designed to close the throttle plate for safety, the PCM triggers the motor and its gears to drive the throttle blade open and closed.<\/p><cite><em>&ndash;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P1516 Code Mean?<\/h2>\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\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-1024x602.jpg\" alt=\"throttle position sensor gives feedback to car pcm\" class=\"wp-image-85040\" width=\"1024\" height=\"602\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/throttle-position-sensor-gives-feedback-to-car-pcm.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The PCM receives feedback from the throttle position sensor, which is connected to the accelerator pedal position sensor and throttle pedal.<\/figcaption><\/figure>\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) P1516 stands for &ldquo;Throttle Actuator Control Module Throttle Actuator Position Performance.&rdquo;<\/p>\n\n\n\n<p>The PCM receives feedback from the <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position sensor\">throttle position sensor<\/a>, which is connected to 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> and throttle pedal.<\/p>\n\n\n\n<p>The TAC module operates the throttle blade in some ETC systems.<\/p>\n\n\n\n<p>In its normal operation, the throttle blade (throttle plate) should move and quickly return to its default position.<\/p>\n\n\n\n<p>A fault with the <a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body assembly\">throttle body assembly<\/a> can cause the throttle plate to get stuck.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"777\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-1024x777.jpg\" alt=\"electric motor with a large gear drives half gear attached to the throttle plate\" class=\"wp-image-87475\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-1024x777.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-300x228.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-768x583.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-1536x1165.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate-150x114.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/electric-motor-with-a-large-gear-drives-half-gear-attached-to-the-throttle-plate.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>In this diagram, you can see that there is an electric motor on the top left with a large gear that drives the half-gear attached to the throttle plate. The wires feeding the motor aren&rsquo;t visible here, but the sensor that provides throttle plate feedback information is visible on the right side along with its wires. | Image Source: Richard McCuistian.<\/figcaption><\/figure>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P1516 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<h3 class=\"wp-block-heading\">P1516 on Some Chevrolet Silverado Vehicles<\/h3>\n\n\n\n<p>In some <a href=\"https:\/\/www.carparts.com\/chevrolet\/silverado\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevrolet Silverado\">Chevrolet Silverado<\/a> vehicles, the P1516 code can be set without any driveability concerns.<\/p>\n\n\n\n<p>Under this circumstance, it&rsquo;s possible that the TAC module is operating at a battery voltage of 4.5 to 5.0 volts.<\/p>\n\n\n\n<p>An illuminated check engine light might be the only symptom for this problem, and it won&rsquo;t require you to replace any part of the electronic throttle control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P1516 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Damaged throttle plate<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-throttle-body-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Faulty throttle body assembly\">Faulty throttle body assembly<\/a><\/li><li>Wiring issues<\/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 failure\">Powertrain control module failure<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P1516 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><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><li>Little to no throttle response<\/li><\/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\">How to Diagnose the P1516 Code<\/h2>\n\n\n\n<p>DTC 1516 is a powertrain code that can be logged in vehicles with an OBD-II system.<\/p>\n\n\n\n<p>While this might be the case, keep in mind that the steps for diagnosing and repairing this trouble code can vary, depending on vehicle specifications.<\/p>\n\n\n\n<p>The diagnostic process might involve using a few tools and require you to conduct an inspection of the affected part.<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with the process of diagnosing trouble codes, you can always leave the task to a professional mechanic. Otherwise, you can go ahead and do it yourself.<\/p>\n\n\n\n<p>To help you out, here are some videos you can watch to get an idea of what the process usually involves:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P1516 Code<\/h2>\n\n\n\n<p>The right tools and information are crucial to resolving a P1516 code.<\/p>\n\n\n\n<p>If you&rsquo;re not confident with your DIY skills yet, it&rsquo;s best to leave the job to the pros.<\/p>\n\n\n\n<p>But if you think you can handle the task on your own, you might want to consult guides like those from Chilton or an ALLDATA subscription. These resources contain vehicle-specific repair information that can help you fix the issue.<\/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>Most vehicles have an electronic throttle control (ETC) system that works with the powertrain control module (PCM) to adjust the&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":85041,"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":[1680,1323,1615,1679],"ppma_author":[2607,2985],"class_list":{"0":"post-85009","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-body","11":"tag-throttle-position-sensor","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>P1516 Code: Throttle Actuator Control Module Throttle Actuator Position Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Has your vehicle logged a P1516 trouble code? Find out what it means, its common causes and symptoms, and how to address it 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\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P1516 Code: Throttle Actuator Control Module Throttle Actuator Position Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Has your vehicle logged a P1516 trouble code? Find out what it means, its common causes and symptoms, and how to address it in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\/\" \/>\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=\"2023-06-07T06:09:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-14T03:57:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/mechanic-diagnose-gets-p1516-code-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1366\" \/>\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\\\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1516-code-throttle-actuator-control-module-throttle-actuator-position-performance\\\/\"},\"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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