{"id":77556,"date":"2022-11-06T15:56:59","date_gmt":"2022-11-06T23:56:59","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=77556"},"modified":"2023-09-15T00:57:09","modified_gmt":"2023-09-15T07:57:09","slug":"p2229-code-barometric-pressure-sensor-a-high","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2229-code-barometric-pressure-sensor-a-high\/","title":{"rendered":"P2229 Code: Barometric Pressure Sensor A High"},"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_1f0799-a5 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_1f0799-a5 > .kt-inside-inner-col,.kadence-column_1f0799-a5 > .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_1f0799-a5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_1f0799-a5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_1f0799-a5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_1f0799-a5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_1f0799-a5{position:relative;}@media all and (max-width: 1024px){.kadence-column_1f0799-a5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_1f0799-a5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_1f0799-a5 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-6fea32  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-74fcb3\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_868b98-76, .wp-block-kadence-advancedheading.kt-adv-heading_868b98-76[data-kb-block=\"kb-adv-heading_868b98-76\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_868b98-76 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_868b98-76[data-kb-block=\"kb-adv-heading_868b98-76\"] 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_868b98-76 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_868b98-76[data-kb-block=\"kb-adv-heading_868b98-76\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_868b98-76 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_868b98-76\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P2229 code stands for &ldquo;Barometric Pressure Sensor A High,&rdquo; which means the powertrain control module (PCM) senses a high electrical reading from the barometric pressure sensor A or its circuits.<\/li><li>The common causes of the P2229 code include a damaged Baro sensor, a defective electrical connector, and wiring problems.<\/li><li>Poor engine performance, noticeable engine noise, and misfires are common symptoms of the P2229 code.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/barometric-pressure-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"barometric pressure sensor\">barometric pressure sensor<\/a> (BARO) sensor measures barometric pressure so that 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) can adjust the fuel mixture or timing to account for changes in altitude and\/or barometric pressure. Like any other of your vehicle&rsquo;s sensors, your BARO sensors can fail over time.<\/p>\n\n\n\n<p>P2229 is one of several trouble codes related to a possible fault in this sensor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2229 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> P2229 stands for &ldquo;Barometric Pressure Sensor A High.&rdquo; The code is set when the PCM senses a high electrical reading from the barometric pressure sensor A or its circuits.<\/p>\n\n\n\n<p>The PCM relies on various sensors to calculate the correct air-fuel ratio in the engine. Your BARO sensor, for example, is used to measure atmospheric pressure. The PCM uses this data to calculate the appropriate air-fuel mixture, accounting for changes in air pressure brought on by elevation and\/or weather. BARO sensors are typically used when <a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAP (Manifold Absolute Pressure) sensors\">MAP (Manifold Absolute Pressure) sensors<\/a> are also present. Some vehicles use a separate BARO sensor, while others use a BMAP sensor, which is a combination of both.<\/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\/11\/car-baro-sensor-different-angles-1024x602.jpg\" alt=\"car baro sensor different angles\" class=\"wp-image-77558\" width=\"1024\" height=\"602\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/car-baro-sensor-different-angles.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your BARO sensor, for example, is used to measure atmospheric pressure.<\/figcaption><\/figure>\n\n\n\n<p>The readings from these sensors are critical for determining fuel mixtures because the PCM needs to compare atmospheric pressures to intake manifold pressures to accurately adjust the fuel mixture based on the operator&rsquo;s driving needs.<\/p>\n\n\n\n<p>If the PCM determines that the sensor&rsquo;s calibration has been lost or that the voltage reading from the sensor is higher than the manufacturer&rsquo;s specified range, it will set code P2229.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2229 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<h2 class=\"wp-block-heading\">What Are the Common Causes of the P2229 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Damaged Baro Sensor<\/li><li>Defective electrical connector<\/li><li>Wiring problems<\/li><li>Short-circuit<\/li><li>Loose electrical connection<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM problems\">PCM problems<\/a><\/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 P2229 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Poor engine performance<\/li><li>Noticeable engine noise<\/li><li>Misfires<\/li><li>Noticeable fuel-like smell<\/li><li>Decreased fuel economy<\/li><li>Less throttle responsiveness<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose a P2229 Code<\/h2>\n\n\n\n<p>P2229 is a generic code, but that doesn&rsquo;t mean that there&rsquo;s a universal solution for all affected vehicles. Remember that vehicles can be structured differently depending on their manufacturer. If you&rsquo;re not familiar with BARO sensors and vehicle repair in general, we recommend taking your vehicle to a trusted mechanic for proper diagnosis.<\/p>\n\n\n\n<p>Here is a video of what the diagnostic process 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=\"HYUNDAI CODE P2227 P2228 P2229 ENGINE LIGH ON FIX HYUNDAI SONATA ELANTRA SANTA FE TUCSON ACCENT VELO\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/aqyZHPjChGo?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 P2229 Code<\/h2>\n\n\n\n<p>Fixing a P2229 code can be hard&mdash;especially if you don&rsquo;t have the skills and tools to get the job done. If you&rsquo;re not a seasoned auto DIYer, it might be better to leave the job to a trusted repair shop near you.<\/p>\n\n\n\n<p>However, if you&rsquo;d really like to fix the code yourself, we recommend consulting the appropriate repair manual or subscribing to an online repair database. These guides contain information that is specific to your vehicle.<\/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>The barometric pressure sensor (BARO) sensor measures barometric pressure so that the powertrain control module (PCM) can adjust the fuel&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2229-code-barometric-pressure-sensor-a-high\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":77559,"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":[1962,1323,1355],"ppma_author":[2607,2855],"class_list":{"0":"post-77556","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-barometric-pressure-sensor","9":"tag-engine-control-module-2","10":"tag-map-sensor-2","11":"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>P2229 Code: Barometric Pressure Sensor A High - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Read on to find out what a P2229 code means and what could happen to your vehicle if you leave it unresolved.\" \/>\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\/p2229-code-barometric-pressure-sensor-a-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2229 Code: Barometric Pressure Sensor A High - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Read on to find out what a P2229 code means and what could happen to your vehicle if you leave it unresolved.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2229-code-barometric-pressure-sensor-a-high\/\" \/>\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=\"2022-11-06T23:56:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-15T07:57:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/barometric-pressure-sensor-p2229-code.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1335\" \/>\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\\\/p2229-code-barometric-pressure-sensor-a-high\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2229-code-barometric-pressure-sensor-a-high\\\/\"},\"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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