{"id":18488,"date":"2022-07-26T01:21:00","date_gmt":"2022-07-26T08:21:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=18488"},"modified":"2024-07-19T09:29:55","modified_gmt":"2024-07-19T16:29:55","slug":"p0111-code-intake-air-temperature-sensor-1-circuit-range-performance-bank-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0111-code-intake-air-temperature-sensor-1-circuit-range-performance-bank-1\/","title":{"rendered":"P0111 Code: Intake Air Temperature Sensor 1 Circuit Range \/ Performance (Bank 1)"},"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_696b1d-0c > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_696b1d-0c > .kt-inside-inner-col,.kadence-column_696b1d-0c > .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_696b1d-0c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_696b1d-0c > .kt-inside-inner-col{flex-direction:column;}.kadence-column_696b1d-0c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_696b1d-0c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_696b1d-0c{position:relative;}@media all and (max-width: 1024px){.kadence-column_696b1d-0c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_696b1d-0c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_696b1d-0c qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b30cb7  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-082c2d\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_a8ba0c-a2, .wp-block-kadence-advancedheading.kt-adv-heading_a8ba0c-a2[data-kb-block=\"kb-adv-heading_a8ba0c-a2\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_a8ba0c-a2 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_a8ba0c-a2[data-kb-block=\"kb-adv-heading_a8ba0c-a2\"] 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_a8ba0c-a2 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_a8ba0c-a2[data-kb-block=\"kb-adv-heading_a8ba0c-a2\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_a8ba0c-a2 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_a8ba0c-a2\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P0111 stands for &ldquo;Intake Air Temperature Sensor 1 Circuit Range\/Performance (Bank 1).&rdquo; This means the powertrain control module (PCM) perceives the signal from the intake air temperature (IAT) sensor to be outside factory specifications.<\/li><li>Common causes of the P0111 code include a faulty IAT sensor, a bad mass air flow sensor, circuit or wiring issues, and a failed PCM.<\/li><li>The symptoms that often accompany the P0111 code include an active check engine light, bad fuel mileage, and poor engine performance.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>On-board diagnostic (OBD) codes are designed to help you or your mechanic identify possible issues in your car. They can be retrieved with a scan tool, though knowing what they mean is another thing. Before attempting any fixes to resolve them, you should first understand the meaning, triggers, and symptoms of the logged code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0111 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) P0111 stands for &ldquo;Intake Air Temperature Sensor 1 Circuit Range\/Performance (Bank 1).&rdquo; This error code is logged when 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) perceives the signal from the <a href=\"https:\/\/www.carparts.com\/iat-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake air temperature (IAT) sensor\">intake air temperature (IAT) sensor<\/a> to be outside factory specifications. Usually, the PCM determines this by comparing the IAT signal to the signal from the <a href=\"https:\/\/www.carparts.com\/blog\/engine-coolant-temperature-sensor-purpose-location-and-failure-signs\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine coolant temperature (ECT) sensor\">engine coolant temperature (ECT) sensor<\/a>.<\/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\/07\/IAT-Sensor-Black-1024x602.jpg\" alt=\"IAT Sensor Black\" class=\"wp-image-70876\" width=\"1024\" height=\"602\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/IAT-Sensor-Black.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The code P0111 is logged when the powertrain control module (PCM) perceives the signal from the intake air temperature (IAT) sensor to be outside factory specifications.<\/figcaption><\/figure>\n\n\n\n<p>The sensor 1 portion of the code applies to vehicles that have multiple IAT sensors. Bank 1 points to the side of the engine opposite the #1 cylinder.<\/p>\n\n\n\n<p>The IAT sensor is a thermistor. Its resistance decreases as its temperature increases. As the temperature rises, the sensor becomes more electrically conductive. It is usually a two-wire sensor that has one wire supplying voltage to the PCM, while the other is a ground.<\/p>\n\n\n\n<p>So when the intake air is cold, it means both the resistance and signal voltage are high. And if the air is warm, then both the resistance and signal voltage is low. The trouble code is set once the PCM detects erratic behavior from the IAT sensor. One example is when there is a huge difference between signals on the IAT signal circuit in a short amount of time.<\/p>\n\n\n\n<p>This error code can also be logged when the PCM recognizes that the signal from the IAT has exceeded the appropriate range when compared to the signal from the ECT sensor.<\/p>\n\n\n\n<p>For more information, read our advanced technical discussion about the <a href=\"https:\/\/www.carparts.com\/blog\/p0113-code-intake-air-temperature-sensor-1-circuit-high-input\/#What_is_an_Intake_Air_Temperature_IAT_Sensor_and_How_Can_It_Cause_P0113\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"IAT sensor and how it can trigger codes\">IAT sensor and how it can trigger codes<\/a> like P0111 to appear on a scan tool.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0111 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 P0111 Code?<\/h2>\n\n\n\n<p>P0111 is a generic code, so it can have several triggers. Here are the most common:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty IAT sensor<\/li><li>Bad <a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-failing-mass-air-flow-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass air flow sensor\">mass air flow sensor<\/a> (sometimes the IAT is integrated into the MAF)<\/li><li>Circuit\/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=\"Failed PCM\">Failed PCM<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0111 Code?<\/h2>\n\n\n\n<p>You may notice the following symptoms if you drive a car that has a logged P0111 error code:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/carparts.com\/blog\/check-engine-light-flashing\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"Active check engine light\">Active check engine light<\/a><\/li><li>Bad fuel mileage<\/li><li>Poor engine performance<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0111 Code<\/h2>\n\n\n\n<p>Code P0111 should be resolved immediately to avoid complications. However, diagnosing it can be difficult as it has many possible triggers. To make sure you&rsquo;re on the right path, the diagnostic and repair steps should always depend on the specifications of your vehicle.<\/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\/07\/man-gets-obd-code-after-auto-inspection-1024x682.jpg\" alt=\"man gets obd code after auto inspection\" class=\"wp-image-70875\" width=\"1024\" height=\"682\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/man-gets-obd-code-after-auto-inspection.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Code P0111 should be resolved immediately to avoid complications.<\/figcaption><\/figure>\n\n\n\n<p>Because all cars are built differently, they would also require different diagnoses. A P0111 on a <a href=\"https:\/\/www.carparts.com\/honda\/fit\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Honda Fit\">Honda Fit<\/a>, for instance, may require an entirely different testing process from a P0111 on a Dodge Ram. Refer to a repair manual specific to your vehicle for the appropriate diagnostic steps.<\/p>\n\n\n\n<p>But if you feel like your automotive know-how is lacking, it would be best to let a mechanic troubleshoot this error code instead.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0111 Code<\/h2>\n\n\n\n<p>Code P0111 may be set in vehicles of varying makes and models. It may also share similar triggers and symptoms with other DTCs. There is no one-size-fits-all solution for this code, as different manufacturers require varying solutions.<\/p>\n\n\n\n<p>Always refer to the <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"factory repair information\">factory repair information<\/a> specific to your car before DIY-ing any repairs. But if you aren&rsquo;t confident in your automotive repair skills, it may be wise to leave the diagnosis and repair to the experts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Getting a Replacement MAF Sensor for Your Vehicle<\/h2>\n\n\n\n<p>As a responsible car owner, you should never ignore a P0111 error code. Doing so can result in bad fuel mileage and poor engine performance, both of which can negatively affect your vehicle&rsquo;s driveability. For your own sake, it&rsquo;s best to replace the faulty MAF sensor that&rsquo;s likely triggering the P0111 code. Luckily, at CarParts.com, you can get a new MAF sensor with just a few clicks.<\/p>\n\n\n\n<p>Ordering a replacement MAF sensor that fits your vehicle has never been easier, thanks to our easy-to-navigate website. Enjoy a hassle-free shopping experience by entering your vehicle&rsquo;s year, make, and model in our built-in vehicle selector, so you can see all the parts that are compatible with your ride. Our convenient and secure checkout also makes paying for your order easy and secure.<\/p>\n\n\n\n<p>Don&rsquo;t wait until your faulty MAF sensor damages other parts of your engine before replacing it. Check out our excellent selection of <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass air flow sensors\">mass air flow sensors<\/a> at CarParts.com, and order 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\/iat-sensor\" target=\"_blank\" aria-label=\"IAT 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\/ra54100001_1\" alt=\"IAT Sensor\">\n\t<strong>IAT Sensor<\/strong>\n    <\/a>\n\n    <a href=\"https:\/\/www.carparts.com\/coolant-temperature-sensor\" target=\"_blank\" aria-label=\"oxygen sensor\" rel=\"coolant temperature sensor 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\/repf312802_1\" alt=\"coolant temperature sensor\">\n\t<strong>Coolant Temperature Sensor<\/strong>\n    <\/a>\n\n    <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" aria-label=\"mass air flow 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\/repb316709_1\" alt=\"mass air flow sensor\">\n\t<strong>Mass Air Flow Sensor<\/strong>\n    <\/a>\n\n    <!-- end of editable content -->\n\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>On-board diagnostic (OBD) codes are designed to help you or your mechanic identify possible issues in your car. They can&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0111-code-intake-air-temperature-sensor-1-circuit-range-performance-bank-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":18497,"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":[1974,1323,1609,1462],"ppma_author":[2607,2985],"class_list":{"0":"post-18488","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-air-temperature-sensor","9":"tag-engine-control-module-2","10":"tag-iat-sensor","11":"tag-mass-air-flow-sensor-2","12":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0111 Code: Intake Air Temperature Sensor 1 Circuit Range \/ Performance (Bank 1) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Has your vehicle logged a code P0111? 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