{"id":77398,"date":"2025-09-04T13:12:49","date_gmt":"2025-09-04T18:12:49","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77398"},"modified":"2025-09-04T13:12:49","modified_gmt":"2025-09-04T18:12:49","slug":"p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low","title":{"rendered":"P0237 OBD2: Turbocharger\/Supercharger Boost Sensor &#8220;A&#8221; Circuit Low"},"content":{"rendered":"<p>OBD-II Code P0237 is associated with the turbocharger\/supercharger boost sensor&#8217;s performance. This code indicates that the engine control module (PCM) has detected a low voltage signal from the Boost Pressure Sensor, which plays a critical role in monitoring the engine&#8217;s performance.<\/p>\n<h2>What Does the P0237 Code Mean?<\/h2>\n<p>The P0237 code is defined as a Turbocharger\/Supercharger Boost Sensor &#8220;A&#8221; Circuit Low. This typically means that the boost pressure sensor is sending a lower than expected signal to the PCM, which may hinder the engine&#8217;s overall performance.<\/p>\n<h2>What Causes the P0237 Code?<\/h2>\n<ul>\n<li>Failure of the boost pressure sensor<\/li>\n<li>Wiring issues, such as damaged or corroded connectors<\/li>\n<li>Exhaust leaks affecting sensor readings<\/li>\n<li>Failures within the Powertrain Control Module (PCM)<\/li>\n<li>Turbocharger or supercharger malfunction<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0237 Code?<\/h2>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<li>Lack of boost from the turbo\/supercharger<\/li>\n<\/ul>\n<h2>How Serious Is the P0237 Code?<\/h2>\n<p>The P0237 code is considered urgent, as it indicates significant malfunctions that can lead to severe engine damage or pose safety risks to the driver and passengers. Immediate attention is necessary.<\/p>\n<h2>How to Diagnose the P0237 Code<\/h2>\n<p>Proper diagnosis of the P0237 code involves several steps:<\/p>\n<ul>\n<li>Using an OBD-II scanner to confirm the code and check for any additional trouble codes.<\/li>\n<li>Inspecting the boost pressure sensor and its wiring for damage or corrosion.<\/li>\n<li>Testing the sensor&#8217;s voltage output and comparing it to manufacturer specifications.<\/li>\n<li>Checking for any exhaust leaks that may affect sensor readings.<\/li>\n<li>Examining the PCM for faults or errors.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0237 Code<\/h2>\n<ul>\n<li>Replacing the boost pressure sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Fixing any exhaust leaks<\/li>\n<li>Reprogramming or replacing the PCM if necessary<\/li>\n<li>Repairing or replacing the turbocharger\/supercharger<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0237 Code?<\/h2>\n<p>The cost to fix the P0237 code can vary widely based on the underlying issue. Generally, sensor replacement might cost between $100 to $300, while more complex issues involving wiring or PCM replacement can range from $300 to $1,000 or more.<\/p>\n<h2>Can I Fix the P0237 Code Myself?<\/h2>\n<p>If you have experience with automotive repairs, diagnosing and fixing the P0237 code may be possible. However, due to the potential for complex issues, seeking professional help is advisable to ensure a proper and safe repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OBD-II Code P0237 is associated with the turbocharger\/supercharger boost sensor&#8217;s performance. This code indicates that the engine control module (PCM) has detected a low voltage signal from the Boost Pressure Sensor, which plays a critical role in monitoring the engine&#8217;s performance. What Does the P0237 Code Mean? The P0237 code is defined as a Turbocharger\/Supercharger &hellip;<\/p>\n","protected":false},"author":26,"featured_media":95526,"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-77398","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 v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OBD2 Code P0237 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0237 code, what causes turbocharger\/supercharger boost sensor circuit low, 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\/p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0237 OBD2: Turbocharger\/Supercharger Boost Sensor &quot;A&quot; Circuit Low\" \/>\n<meta property=\"og:description\" content=\"OBD-II Code P0237 is associated with the turbocharger\/supercharger boost sensor&#039;s performance. This code indicates that the engine control module (PCM)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low\" \/>\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=\"2025-09-04T18:12:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0237-obd2-turbochargersupercharger-boost-sensor-a-circuit-low.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\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:site\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"JC Landry\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0237-obd2-turbocharger-supercharger-boost-sensor-a-circuit-low\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0237 OBD2: Turbocharger\/Supercharger Boost Sensor &#8220;A&#8221; 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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. 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This code indicates that the engine control module (PCM) has detected a low voltage signal from the Boost Pressure Sensor, which plays a critical role in monitoring the engine&#8217;s performance. What Does the P0237 Code Mean? The P0237 code is defined as a Turbocharger\/Supercharger&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77398","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=77398"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77398\/revisions"}],"predecessor-version":[{"id":84097,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77398\/revisions\/84097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/95526"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}