{"id":16623,"date":"2020-09-23T01:25:30","date_gmt":"2020-09-23T08:25:30","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16623"},"modified":"2024-06-05T19:24:04","modified_gmt":"2024-06-06T02:24:04","slug":"p0049-code-turbocharger-supercharger-a-turbine-overspeed","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\/","title":{"rendered":"P0049 Code: Turbocharger\/Supercharger \u201cA\u201d Turbine Overspeed"},"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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_c059e5-67 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_c059e5-67 > .kt-inside-inner-col,.kadence-column_c059e5-67 > .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_c059e5-67 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_c059e5-67 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_c059e5-67 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_c059e5-67 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_c059e5-67{position:relative;}@media all and (max-width: 1024px){.kadence-column_c059e5-67 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_c059e5-67 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_c059e5-67 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-d6fad3  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-85ece5\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_bf8f12-78, .wp-block-kadence-advancedheading.kt-adv-heading_bf8f12-78[data-kb-block=\"kb-adv-heading_bf8f12-78\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_bf8f12-78 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_bf8f12-78[data-kb-block=\"kb-adv-heading_bf8f12-78\"] 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_bf8f12-78 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_bf8f12-78[data-kb-block=\"kb-adv-heading_bf8f12-78\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_bf8f12-78 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_bf8f12-78\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic Trouble Code (DTC) P0049 stands for &ldquo;Turbo\/Supercharger &ldquo;A&rdquo; Turbine Overspeed.&rdquo; This code triggers when your vehicle&rsquo;s powertrain control module (PCM) detects a turbocharger or supercharger turbine overspeed condition.<\/li><li>The possible causes of a P0049 code include a failing turbo speed sensor, modifications like a tuner chip, damaged wiring, a malfunctioning turbocharger wastegate or blow-off valve, or a PCM error.<\/li><li>The P0049 code can have related symptoms like an illuminated check engine light, an overboost or underboost condition, limp mode, and possible spark detonation.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Modern vehicles are equipped with a lot of complex systems that are crucial to their operation. But just like with any other mechanical or electrical systems, the components in these systems may malfunction due to several reasons. Thankfully, modern vehicles come with on-board diagnostic (OBD) systems to help car owners and mechanics identify specific problems.<\/p>\n\n\n\n<p>One example of a generic <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble code\">trouble code<\/a> that may appear on various makes and models is code P0049. This error code is related to a possible fault in your vehicle&rsquo;s forced air induction (FAI) system.<\/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 Does the P0049 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic Trouble Code (DTC) P0049 stands for &ldquo;Turbo\/Supercharger &ldquo;A&rdquo; Turbine Overspeed.&rdquo; It is set when your vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) detects a potential mechanical or electrical malfunction in the FAI system. Specifically, this code is triggered once the PCM perceives a turbocharger or supercharger turbine overspeed condition. <\/p>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Turbochargers\">Turbochargers<\/a>and <a href=\"https:\/\/www.carparts.com\/supercharger-kit\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"superchargers\">superchargers<\/a>are used to increase engine performance. They are called air induction devices, which means they function by forcibly pumping air into your engine to increase power. <\/p>\n\n\n\n<p>The main difference between a turbocharger and a supercharger is that a supercharger functions with the help of a belt that runs off the engine crankshaft. A turbocharger, on the other hand, uses engine exhaust. It uses the heat of the exhaust to power a turbine wheel, which turns a compressor wheel. <\/p>\n\n\n\n<p>Many modern turbocharged vehicles rely on a variable geometry turbocharger (VGT), which uses adjustable vanes that open or close to vary boost pressure. Meanwhile, a traditional turbocharger or supercharger uses a wastegate or bypass valve to control boost. <\/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\/2020\/09\/turbocharger-1a-1024x1024.jpg\" alt=\"turbocharger 1a\" class=\"wp-image-16625\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-1024x1024.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-300x300.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-768x768.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-75x75.jpg 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-600x600.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-928x928.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a-150x150.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/turbocharger-1a.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption> Many modern turbocharged vehicles rely on a variable geometry turbocharger (VGT), which uses adjustable vanes that open or close to vary boost pressure.  <\/figcaption><\/figure>\n\n\n\n<p>Often, the  PCM monitors turbocharger speed with one or more dedicated speed sensors. If the PCM perceives a turbo over speed condition from the turbocharger speed sensor signal, it will set code P00049. <\/p>\n\n\n\n<p>Some vehicle models are more prone to code P0049 than others. Have a technician check your vehicle immediately if you own a Chevrolet, GMC, or Dodge and your diagnostics show P0049.<\/p>\n\n\n\n<p><em><strong>Note<\/strong>: The definition of code P0049 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 Possible Causes of the P0049 Code? <\/h2>\n\n\n\n<p>Here are the possible triggers of the P0049 engine code: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Failing turbo speed  sensor <\/li><li>Modifications, such as a tuner, programmer, or chip <\/li><li>An issue with the turbo speed sensor circuit (e.g, damaged wires or poor connections)<\/li><li>Malfunctioning turbocharger bypass valve, wastegate, or blow-off valve<\/li><li>A possible issue with the PCM, such as a programming error <\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0049 Code? <\/h2>\n\n\n\n<p>Here are the common symptoms you should watch for in relation to the code: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Illuminated check engine light<\/li><li>An overboost or underboost condition <\/li><li>Engine that enters a limp home mode <\/li><li>Possible spark detonation <\/li><\/ul>\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\/2020\/09\/mechanic-fixing-enginea-1024x683.jpeg\" alt=\"mechanic fixing enginea\" class=\"wp-image-16626\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea-768x513.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-fixing-enginea.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption> If you&rsquo;re not an automotive DIYer, the best course of action is to bring your vehicle to an auto repair shop.  <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0049 Code <\/h2>\n\n\n\n<p>As mentioned above, there are many possible causes of error code P0049. Identifying the root cause of the problem may be challenging. But with the right tools and diagnostic steps, it is possible. <\/p>\n\n\n\n<p>If you&rsquo;re not an automotive DIYer, the best course of action is to bring your vehicle to an auto repair shop. A mechanic would know how to correctly identify the root cause of the problem. <\/p>\n\n\n\n<p>However, if you&rsquo;re up for some DIY work and you are well-versed with auto repair, we recommend consulting <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 databases\">repair manuals and databases<\/a> to help you identify the specific procedures for your vehicle. Before trying out any procedure, make sure to read up on forced air induction systems. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0049 Code <\/h2>\n\n\n\n<p>As you may already know, the exact specifications of vehicles may vary depending on its year, make, and model. Therefore, there is no universal fix for any engine trouble code, including code P0049. Repair instructions for a P0049 in a <a href=\"https:\/\/www.carparts.com\/chevrolet\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevy\">Chevy<\/a>may vary from a P0049 in a <a href=\"https:\/\/www.carparts.com\/dodge\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dodge\">Dodge<\/a>. <\/p>\n\n\n\n<p>If you&rsquo;re really determined to fix this code yourself, we recommend consulting a vehicle-specific repair manual and other resources to help you identify the exact repair procedures for your vehicle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get New Turbocharger Parts for Your Vehicle<\/h2>\n\n\n\n<p>You can always expect an exhilarating performance from your daily driver, but not when it has a malfunctioning turbocharger.<\/p>\n\n\n\n<p>Road trips can be boring without it, especially if you&rsquo;ve gotten used to having it around. The good news is that here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, it&rsquo;s easy to get a new turbocharger for your vehicle.<\/p>\n\n\n\n<p>Simply enter your vehicle&rsquo;s year, make, and model into our vehicle selector to narrow down the catalog to compatible products for your ride. We only offer the best parts on our website, so you&rsquo;re sure to get a top-notch turbocharger replacement that&rsquo;s been tried and tested by industry professionals.<\/p>\n\n\n\n<p>Find tailor-fit products on our website in a few minutes, and check out securely with a couple of clicks. Also, thanks to our fast shipping services and strategically located warehouses across the US, you can get your new turbocharger delivered to your doorstep in as fast as two business days.<\/p>\n\n\n\n<p>Enjoy the best prices when you shop from us. Our turbochargers come with a low-price guarantee, so there&rsquo;s no need to worry about breaking the bank for your repairs.<\/p>\n\n\n\n<p>Don&rsquo;t miss out on the best deals on the market, and shop for a new <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbocharger\">turbocharger<\/a> here at CarParts.com today!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" aria-label=\"Turbocharger\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repd290102_1\" alt=\"Turbocharger\">\n<strong>Turbocharger<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/supercharger-kit\" target=\"_blank\" aria-label=\"Supercharger Kit\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/gxllr088564_1\" alt=\"Supercharger Kit\">\n<strong>Supercharger Kit<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" aria-label=\"Engine Control Module\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/a1721000_1\" alt=\"Engine Control Module\">\n<strong>Engine Control Module<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n<\/div>\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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Modern vehicles are equipped with a lot of complex systems that are crucial to their operation. But just like with&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16624,"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":[1323,929,930],"ppma_author":[2607],"class_list":{"0":"post-16623","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-supercharger-kit","10":"tag-turbocharger","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>P0049 Code: Turbocharger\/Supercharger \u201cA\u201d Turbine Overspeed - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn all about the P0049 code\u2014what it means, its common causes and symptoms, and how to fix this diagnostic trouble 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\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0049 Code: Turbocharger\/Supercharger \u201cA\u201d Turbine Overspeed - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn all about the P0049 code\u2014what it means, its common causes and symptoms, and how to fix this diagnostic trouble code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\/\" \/>\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=\"2020-09-23T08:25:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-06T02:24:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/supercharger-kita.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\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=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0049-code-turbocharger-supercharger-a-turbine-overspeed\\\/\"},\"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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