{"id":77293,"date":"2025-09-12T21:45:15","date_gmt":"2025-09-13T02:45:15","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77293"},"modified":"2025-09-12T21:45:15","modified_gmt":"2025-09-13T02:45:15","slug":"p012d-obd2-turbocharger-supercharger-inlet-pressure-sensor-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p012d-obd2-turbocharger-supercharger-inlet-pressure-sensor-circuit-high","title":{"rendered":"P012D OBD2: Turbocharger\/Supercharger Inlet Pressure Sensor Circuit High"},"content":{"rendered":"<p>The P012D OBD-II code indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit. This code is set when the engine control module (PCM) detects a high signal from the inlet pressure sensor.<\/p>\n<h2>What Does the P012D Code Mean?<\/h2>\n<p>The P012D code specifically refers to a malfunction in the turbocharger or supercharger inlet pressure sensor circuit. This sensor is crucial as it informs the PCM about the amount of air being forced into the engine. If the PCM receives an incorrect signal, it will trigger this code.<\/p>\n<h2>What Causes the P012D Code?<\/h2>\n<p>Several factors can lead to the P012D code being triggered, including:<\/p>\n<ul>\n<li>Inlet pressure sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues related to the sensor<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P012D Code?<\/h2>\n<p>When the P012D code is present, you may experience:<\/p>\n<ul>\n<li>Engine entering limp home mode, which reduces performance<\/li>\n<li>Lack of boost from the turbocharger or supercharger<\/li>\n<\/ul>\n<h2>How Serious Is the P012D Code?<\/h2>\n<p>The severity of the P012D code is moderate. While it may not pose an immediate threat to safety or drivability, it is important to address the issue to prevent further damage to the engine or related components. It is advisable to have it diagnosed and repaired promptly.<\/p>\n<h2>How to Diagnose the P012D Code<\/h2>\n<p>Diagnosing the P012D code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P012D code.<\/li>\n<li>Inspect the inlet pressure sensor and its wiring for any visible damage or disconnections.<\/li>\n<li>Test the inlet pressure sensor with a multimeter to ensure it is functioning within specifications.<\/li>\n<li>Check the PCM for any software updates or faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P012D Code<\/h2>\n<p>Repairs for the P012D code may include:<\/p>\n<ul>\n<li>Replacing a faulty inlet pressure sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing or reprogramming the PCM if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P012D Code?<\/h2>\n<p>The cost to fix the P012D code can vary greatly depending on the specific repairs needed. Typically, you can expect to pay anywhere from $100 to $500, including parts and labor. A simple sensor replacement will be on the lower end, while PCM issues may be more expensive.<\/p>\n<h2>Can I Fix the P012D Code Myself?<\/h2>\n<p>Depending on your mechanical skills and experience, you may be able to fix the P012D code yourself, especially if the issue is related to wiring or the sensor itself. However, if you are unsure, it is advisable to consult a professional mechanic to ensure the problem is accurately diagnosed and repaired.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P012D OBD-II code indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit. This code is set when the engine control module (PCM) detects a high signal from the inlet pressure sensor. What Does the P012D Code Mean? The P012D code specifically refers to a malfunction in the turbocharger or supercharger inlet &hellip;<\/p>\n","protected":false},"author":26,"featured_media":95809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[11987],"tags":[],"class_list":["post-77293","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-p-obd2-codes-powertrain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P012D \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P012D code, what causes turbocharger\/supercharger inlet pressure sensor circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.\" \/>\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.emanualonline.com\/blog\/p012d-obd2-turbocharger-supercharger-inlet-pressure-sensor-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P012D OBD2: Turbocharger\/Supercharger Inlet Pressure Sensor Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P012D OBD-II code indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit. This code is set when the engine control\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p012d-obd2-turbocharger-supercharger-inlet-pressure-sensor-circuit-high\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-13T02:45:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JC Landry\" \/>\n<meta name=\"twitter:card\" 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He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","https:\/\/www.linkedin.com\/in\/jean-claude-landry-857781186\/"],"url":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p012d-obd2-turbochargersupercharger-inlet-pressure-sensor-circuit-high-1050x525.png",1050,525,true]},"uagb_author_info":{"display_name":"JC Landry","author_link":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"},"uagb_comment_info":0,"uagb_excerpt":"The P012D OBD-II code indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit. This code is set when the engine control module (PCM) detects a high signal from the inlet pressure sensor. What Does the P012D Code Mean? The P012D code specifically refers to a malfunction in the turbocharger or supercharger inlet&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/comments?post=77293"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77293\/revisions"}],"predecessor-version":[{"id":83992,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77293\/revisions\/83992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/95809"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}