{"id":16011,"date":"2022-04-13T00:54:00","date_gmt":"2022-04-13T07:54:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16011"},"modified":"2024-07-19T09:30:39","modified_gmt":"2024-07-19T16:30:39","slug":"p0116-code-engine-coolant-temperature-sensor-1-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-performance\/","title":{"rendered":"P0116 Code: Engine Coolant Temperature Sensor 1 Circuit Range\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_75bc99-8a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_75bc99-8a > .kt-inside-inner-col,.kadence-column_75bc99-8a > .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_75bc99-8a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_75bc99-8a > .kt-inside-inner-col{flex-direction:column;}.kadence-column_75bc99-8a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_75bc99-8a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_75bc99-8a{position:relative;}@media all and (max-width: 1024px){.kadence-column_75bc99-8a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_75bc99-8a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_75bc99-8a qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b499d2  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-07b03a\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_68e172-28, .wp-block-kadence-advancedheading.kt-adv-heading_68e172-28[data-kb-block=\"kb-adv-heading_68e172-28\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_68e172-28 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_68e172-28[data-kb-block=\"kb-adv-heading_68e172-28\"] 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_68e172-28 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_68e172-28[data-kb-block=\"kb-adv-heading_68e172-28\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_68e172-28 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_68e172-28\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P0116 has the following definition: &ldquo;Engine Coolant Temperature Sensor 1 Circuit Range\/Performance.&rdquo;<\/li><li>This code is triggered when the powertrain control module (PCM) detects abnormal voltage signals relayed by the engine coolant temperature (ECT) sensor.<\/li><li>The P0116 code can be caused by a faulty ECT sensor, bad ECT wiring or connections, engine overheating, or a PCM issue.<\/li><li>The P0116 code can show symptoms like an illuminated check engine light, reduced engine performance in some instances, and overheating.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The Engine Coolant Temperature (ECT) sensor is one of the many devices that relay information to your vehicle&rsquo;s primary computer (Powertrain Control Module or PCM). The input from this sensor is used by the PCM for engine management and cooling fan operation. When the module detects erratic or irrational signals from this sensor, the P0116 code is set.<\/p>\n\n\n\n<p>Here is a quick overview of what you need to know about the P0116 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0116 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) P0116 stands for &ldquo;Engine Coolant Temperature Sensor 1 Circuit Range\/Performance.&rdquo;<br><br>This DTC is triggered by the PCM after it detects that the voltage signals relayed by the engine coolant temperature (ECT) sensor fall outside the normal manufacturer-specified range.<\/p>\n\n\n\n<p>The ECT sensor is a thermistor&mdash;a resistor that changes resistance based on temperature. This typically comes as a two-wire sensor that can be found in the block or <a href=\"https:\/\/www.carparts.com\/cylinder-head\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"cylinder head\">cylinder head<\/a>. One wire connects it to the PCM which supplies it with a 5 Volt supply, while the other is a ground.<\/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\/cylinder-head-1024x683.jpeg\" alt=\"cylinder head\" class=\"wp-image-16036\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head-768x512.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/cylinder-head.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The ECT sensor is a thermistor that can be found in the block or cylinder head.  <\/figcaption><\/figure>\n\n\n\n<p>A change in coolant temperature will cause a change in resistance on the ECT sensor&rsquo;s signal wire. This data is used by the PCM to determine the current operating temperature of the engine. Inaccurate information from this sensor will cause the PCM to make adjustments according to false operating conditions, which could lead to reduced fuel economy and engine cooling system failure.<\/p>\n\n\n\n<p>You can read our advanced technical discussion about the <a href=\"https:\/\/www.carparts.com\/blog\/p0117-code-engine-coolant-temperature-sensor-1-circuit-low\/#How_the_Engine_Coolant_Temperature_Sensor_Can_Trigger_OBD_Codes\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ECT sensor\">ECT sensor<\/a> to find more information that can help you troubleshoot P0116, especially if you&rsquo;re planning to attempt a DIY fix.<\/p>\n\n\n\n<p><em><strong>Note: <\/strong>The definition of code P0116 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 P0116 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/engine-coolant-temperature-sensor-purpose-location-and-failure-signs\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Malfunctioning Engine Coolant Temperature Sensor\">Malfunctioning Engine Coolant Temperature Sensor<\/a><\/li><li>Faulty or corroded ECT wiring or connections<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-overheats-when-the-ac-is-on-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Engine overheating\">Engine overheating<\/a><\/li><li>Engine temperature below specification <\/li><li>An issue with the PCM, such as software in need of an update <\/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\">What are the Common Symptoms of the P0116 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check Engine Light will illuminate\">Check Engine Light will illuminate<\/a><\/li><li> In many cases, this trouble code may not present unusual symptoms<\/li><li> In some cases, this code may reduce engine performance (hard starting and\/or poor fuel economy)<\/li><li> <a href=\"https:\/\/www.carparts.com\/blog\/what-damage-to-expect-from-an-overheating-car\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Engine overheating\">Engine overheating<\/a><\/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\/check-engine-light-is-on-1024x597.jpeg\" alt=\"check engine light is on\" class=\"wp-image-16039\" width=\"1024\" height=\"597\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/check-engine-light-is-on-1024x597.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/check-engine-light-is-on-300x175.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/check-engine-light-is-on-768x448.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/check-engine-light-is-on-150x88.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/check-engine-light-is-on.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>An illuminated check engine light is one of the common symptoms of code P0016.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0116 Code<\/h2>\n\n\n\n<p>Identifying the underlying cause of the P0116 code can be difficult, especially if you&rsquo;re not confident with your automotive knowledge. In most cases, it would be best to bring your vehicle to an auto repair shop and seek the help of a professional for an accurate diagnosis.<\/p>\n\n\n\n<p>Here are some videos that can help give you an idea about how this trouble code may be diagnosed:<\/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=\"How to test a coolant temperature sensor (ECT sensor test)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wxaohKkQF3o?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-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Engine Coolant Temperature Sensor\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/ZuCVzUarefE?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 P0116 Code<\/h2>\n\n\n\n<p>The P0116 code is a generic trouble code that may apply to various makes and models. While vehicles from different manufacturers may share common symptoms, the steps for diagnosis and repair for a P0116 <a href=\"https:\/\/www.carparts.com\/ford\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ford\">Ford<\/a> code may differ from a P0116 <a href=\"https:\/\/www.carparts.com\/hyundai\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Hyundai\">Hyundai<\/a> code.<\/p>\n\n\n\n<p>If you&rsquo;re an advanced DIYer who&rsquo;d like to fix this code on your own, it will be helpful to refer to <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manuals\">repair manuals<\/a>or get factory vehicle repair information from an online subscription service.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Quality Parts to Fix DTC P0116<\/h2>\n\n\n\n<p>While DTC P0116 might not have any symptoms outside of an illuminated check engine light, you should still ask a mechanic to take a look. The code&rsquo;s underlying issues might eventually lead to your engine overheating, and that might get you stranded somewhere at the worst possible time. Thankfully, whether you need wiring or sensors, CarParts.com has your back.<\/p>\n\n\n\n<p>The large CarParts.com catalog contains many different aftermarket parts to suit your various needs. If you want to narrow these parts down, our website is very easy to navigate. Just use our built-in vehicle selector to view parts that are guaranteed to fit your vehicle perfectly. It only takes a few quick clicks. If you&rsquo;re still not sure what to do or where to start, our friendly customer support team is always ready to help. They&rsquo;re always happy to answer any questions you might have.<\/p>\n\n\n\n<p>Get the parts you need to resolve DTC P0116 fast and easy. Buy a replacement <a href=\"https:\/\/www.carparts.com\/coolant-temperature-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"coolant temperature sensor\">coolant temperature sensor<\/a> or other repair parts now here at CarParts.com.<\/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\/coolant-temperature-sensor\" target=\"_blank\" aria-label=\"Coolant Temperature Sensor\" 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\/set-reph312802-2_1\" alt=\"Coolant Temperature Sensor\">\n<strong>Coolant Temperature Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/cylinder-head\" target=\"_blank\" aria-label=\"Cylinder Head\" 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\/repd315801_1\" alt=\"Cylinder Head\">\n<strong>Cylinder Head<\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The Engine Coolant Temperature (ECT) sensor is one of the many devices that relay information to your vehicle&rsquo;s primary computer&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16035,"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":[1252],"ppma_author":[2607,2985],"class_list":{"0":"post-16011","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-coolant-temperature-sensor","9":"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>P0116 Code: Engine Coolant Temperature Sensor 1 Circuit Range\/Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what the P0116 code means, its common causes and symptoms, and the possible fixes you may apply to this 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\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0116 Code: Engine Coolant Temperature Sensor 1 Circuit Range\/Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what the P0116 code means, its common causes and symptoms, and the possible fixes you may apply to this trouble code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-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=\"2022-04-13T07:54:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-19T16:30:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/coolant-temperature-sensor-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0116-code-engine-coolant-temperature-sensor-1-circuit-range-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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