{"id":77637,"date":"2025-08-31T15:24:23","date_gmt":"2025-08-31T20:24:23","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77637"},"modified":"2025-08-31T15:52:38","modified_gmt":"2025-08-31T20:52:38","slug":"p037e-obd2-glow-plug-sense-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p037e-obd2-glow-plug-sense-circuit-low","title":{"rendered":"P037E OBD2: Glow Plug Sense Circuit Low"},"content":{"rendered":"<h2>What Does the P037E Code Mean?<\/h2>\n<p>The P037E code indicates a problem with the glow plug sense circuit in diesel engines. This code is triggered when the engine control module (PCM) detects that the glow plug circuit is not functioning properly, which can lead to issues with engine starting and performance.<\/p>\n<h2>What Causes the P037E Code?<\/h2>\n<p>Several factors can cause the P037E code to be set, including:<\/p>\n<ul>\n<li>Glow plug control module failure<\/li>\n<li>Glow plug failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues in the glow plug circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P037E Code?<\/h2>\n<p>When the P037E code is present, the following symptoms may occur:<\/p>\n<ul>\n<li>Engine may not start<\/li>\n<li>Hard engine start<\/li>\n<\/ul>\n<h2>How Serious Is the P037E Code?<\/h2>\n<p>The P037E code is classified as urgent. Ignoring this code can lead to significant malfunctions that might cause severe damage to the vehicle or pose safety risks to the driver and passengers. Immediate attention is recommended.<\/p>\n<h2>How to Diagnose the P037E Code<\/h2>\n<p>To properly diagnose the P037E code, a mechanic would typically follow these steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P037E code and check for any related codes.<\/li>\n<li>Inspect the glow plugs and wiring for any visible damage or disconnection.<\/li>\n<li>Test the glow plug control module for proper operation.<\/li>\n<li>Examine the Powertrain Control Module (PCM) for faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P037E Code<\/h2>\n<p>Repairs for the P037E code may include:<\/p>\n<ul>\n<li>Glow plug replacement<\/li>\n<li>Repair or replacement of the glow plug control module<\/li>\n<li>Fixing any wiring issues<\/li>\n<li>PCM repair or replacement if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P037E Code?<\/h2>\n<p>The cost to fix the P037E code varies depending on the specific repair needed. On average, repairs can range from $100 to $500, with glow plug replacement typically costing between $100 and $300, depending on labor rates and parts used.<\/p>\n<h2>Can I Fix the P037E Code Myself?<\/h2>\n<p>While some DIY mechanics may be able to handle simple repairs like replacing glow plugs, diagnosing the P037E code accurately typically requires specialized tools and knowledge. If you are not experienced with automotive diagnostics, it is advisable to seek professional help to ensure that all underlying issues are properly addressed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P037E Code Mean? The P037E code indicates a problem with the glow plug sense circuit in diesel engines. This code is triggered when the engine control module (PCM) detects that the glow plug circuit is not functioning properly, which can lead to issues with engine starting and performance. What Causes the P037E &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94704,"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-77637","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 v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P037E \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P037E code, what causes glow plug sense 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\/p037e-obd2-glow-plug-sense-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P037E OBD2: Glow Plug Sense Circuit Low\" \/>\n<meta property=\"og:description\" content=\"What Does the P037E Code Mean? The P037E code indicates a problem with the glow plug sense circuit in diesel engines. This code is triggered when the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p037e-obd2-glow-plug-sense-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:published_time\" content=\"2025-08-31T20:24:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-31T20:52:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p037e-obd2-glow-plug-sense-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\" 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The P037E code indicates a problem with the glow plug sense circuit in diesel engines. This code is triggered when the engine control module (PCM) detects that the glow plug circuit is not functioning properly, which can lead to issues with engine starting and performance. What Causes the P037E&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77637","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=77637"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77637\/revisions"}],"predecessor-version":[{"id":94715,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77637\/revisions\/94715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94704"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}