{"id":517558,"date":"2025-12-10T05:40:53","date_gmt":"2025-12-10T10:40:53","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/"},"modified":"2025-12-10T05:40:53","modified_gmt":"2025-12-10T10:40:53","slug":"dtc-p0407-egr-sensor-b-circuit-low","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/","title":{"rendered":"P0407 Code Symptoms, Diagnosis, Common Triggers &#038; Repair Costs"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">P0407<\/div>\n<h1>P0407 Code Symptoms, Diagnosis, Common Triggers &amp; Repair Costs<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>P0407 means **EGR Sensor B Circuit Low** \u2013 the ECM detects a low voltage or open circuit on the secondary EGR sensor line. <\/li>\n<li>Typical driver cues: illuminated check\u2011engine light, rough idle, hesitation during acceleration, and higher\u2011than\u2011normal exhaust emissions, especially at low RPM. <\/li>\n<li>Most frequent triggers: corroded or broken wiring, connector fouling, shorted sensor, or a failing ECM that cannot read the sensor correctly. <\/li>\n<li>Diagnosis starts with a scan, visual wiring inspection, and resistance\/voltage checks; module\u2011level testing follows if the circuit checks out. <\/li>\n<li>Replacement of the ECM is justified when internal circuitry is damaged or when re\u2011programming cannot restore proper sensor communication. <\/li>\n<\/ul>\n<\/div>\n<h3>P0407 Trouble Code: Symptoms, Causes, and Repair Steps <\/h3>\n<p>Drivers notice the problem before a diagnostic tool does. The check\u2011engine light pops on, often accompanied by a noticeable roughness at idle that smooths out as engine speed climbs. When you press the accelerator from a stop, the vehicle may hesitate or stumble before power returns. Because the EGR system controls how much exhaust gas is recirculated, a low\u2011voltage sensor signal can cause the engine to run richer, leading to a visible increase in tailpipe smoke or a \u201cfail\u201d result on an emissions test. These cues appear most prominently at low engine speeds, where the EGR valve is commanded to open frequently.<\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>Check\u2011engine light (CEL)<\/strong> illuminated with P0407 stored. <\/li>\n<li><strong>Rough or unstable idle<\/strong> that settles when the engine revs higher. <\/li>\n<li><strong>Hesitation or stumble<\/strong> when accelerating from a stop or low speed. <\/li>\n<li><strong>Elevated exhaust emissions<\/strong>; OBD\u2011II emissions readiness may be blocked. <\/li>\n<li><strong>Reduced fuel\u2011economy<\/strong> readings, often a few tenths of a gallon per 100 mi, due to richer mixture. <\/li>\n<\/ul>\n<h2>Why This Happens <\/h2>\n<h3>Corroded or Damaged Wiring <\/h3>\n<p>The secondary EGR sensor (Sensor B) shares a dedicated circuit that runs from the ECM to the EGR valve housing. Exposure to engine heat, road salt, or coolant leaks can corrode conductors or break insulation, creating a high\u2011resistance path that the ECM reads as \u201clow voltage.\u201d <\/p>\n<h3>Faulty Connector or Pin\u2011out Issues <\/h3>\n<p>Connector pins can become bent, pushed out of alignment, or coated with carbon deposits. A poor connection raises circuit resistance, causing the ECM to register a low\u2011signal condition. <\/p>\n<h3>Shorted or Open Sensor B Element <\/h3>\n<p>The sensor itself contains a temperature\u2011compensated voltage source. Internal failure\u2014often a cracked element or internal short\u2014produces a voltage below the ECM\u2019s lower threshold (typically &lt;0.5 V). <\/p>\n<h3>ECM Internal Circuit Failure <\/h3>\n<p>If the ECM\u2019s input driver for the EGR Sensor B line has burnt out or the analog\u2011to\u2011digital converter is damaged, the module will consistently read low voltage regardless of wiring condition. This scenario is less common but requires module\u2011level diagnosis. <\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Scan and Verify<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Connect a professional OBD\u2011II scanner. Confirm P0407 and note any related codes (e.g., P0401, P0408). Clear the code and monitor for re\u2011set after a drive cycle. <\/p>\n<ol>\n<li><strong>Visual Inspection<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Locate the EGR valve and trace the Sensor B harness to the ECM. Look for cracked insulation, chafed wires, burnt spots, or moisture. <\/p>\n<p> &#8211; Inspect the connector for bent pins, corrosion, or loose clips. <\/p>\n<ol>\n<li><strong>Continuity and Resistance Test<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; With the ignition off, disconnect the Sensor B connector. Measure resistance between the sensor\u2019s power and ground pins; typical values are 1 k\u03a9 \u00b1 10 %. <\/p>\n<p> &#8211; Compare measured resistance to the service specification. A value significantly higher indicates an open circuit; a near\u2011zero reading suggests a short. <\/p>\n<ol>\n<li><strong>Voltage Verification<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Re\u2011connect the connector, start the engine, and back\u2011probe the sensor\u2019s signal wire. Voltage should rise to 0.8\u20111.2 V when the ECM commands the EGR valve open (usually above 2,000 rpm). <\/p>\n<p> &#8211; If voltage remains below 0.5 V under command, the sensor or its wiring is suspect. <\/p>\n<ol>\n<li><strong>Module\u2011Level Test<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; If wiring and sensor voltage are within spec, access the ECM\u2019s diagnostic mode (often via a dealer scan tool). Run the \u201cEGR Sensor B\u201d output test. <\/p>\n<p> &#8211; A failed module test points to internal ECM circuitry. <\/p>\n<ol>\n<li><strong>Repair Options<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; <strong>Wiring\/Connector Repair<\/strong>: Replace damaged harness sections, clean or reseat connectors, and apply heat\u2011shrink tubing to protect against future corrosion. Typical labor: 1\u20132 hours, parts $15\u2011$45. <\/p>\n<p> &#8211; <strong>Sensor Replacement<\/strong>: Install a new EGR valve assembly that includes a functional Sensor B. Parts $120\u2011$250, labor 1 hour. <\/p>\n<p> &#8211; <strong>ECM Repair or Re\u2011programming<\/strong>: For internal circuit failures, a qualified shop may attempt a board\u2011level repair; costs range $300\u2011$500. If repair is not viable, replacement is recommended. <\/p>\n<h2>When Replacement Makes Sense <\/h2>\n<div class=\"flagship-logo-section\">\n<a href=\"https:\/\/www.fs1inc.com\/\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<img decoding=\"async\" alt=\"Flagship One\" class=\"flagship-logo\" src=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\"\/><br \/>\n<\/a>\n<\/div>\n<p>If the ECM\u2019s internal driver for the EGR Sensor B circuit is damaged, repeated repairs of wiring or the sensor will not resolve the low\u2011voltage condition. In such cases, replacing the control module eliminates the fault source and restores reliable sensor communication. <\/p>\n<p>Modern control modules are complex and integrated with security and immobilizer systems. That\u2019s why choosing a replacement isn\u2019t only about the hardware\u2014it&#8217;s about correct programming and compatibility. <strong>Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty. Their units are pre\u2011programmed to match your vehicle\u2019s software version, ensuring seamless integration without dealer\u2011only re\u2011flash procedures. <\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Inspect EGR harness<\/strong> during regular service intervals (every 30,000 mi). Look for heat damage, especially near the exhaust manifold. <\/li>\n<li><strong>Clean connectors<\/strong> with electrical contact cleaner and protect with dielectric grease to prevent corrosion. <\/li>\n<li><strong>Replace coolant<\/strong> with the manufacturer\u2011specified type and maintain proper levels; leaks can seep onto wiring. <\/li>\n<li><strong>Use anti\u2011rust spray<\/strong> on exposed harness sections in high\u2011salinity regions to deter corrosion. <\/li>\n<li><strong>Run a full emissions readiness check<\/strong> after any repair to verify that the EGR system is functioning within spec.<\/li>\n<\/ul>\n<div class=\"info-section\">\n<p><strong>Service Recommendation:<\/strong> Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Low EGR sensor B voltage triggers check\u2011engine light and emissions failure on your vehicle\u2014diagnose the circuit now and repair sensor or wiring today.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-517558","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0407 Code Symptoms, Diagnosis, Common Triggers &amp; Repair Costs - Flagship One Blog<\/title>\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.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0407 Code Symptoms, Diagnosis, Common Triggers &amp; Repair Costs - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Low EGR sensor B voltage triggers check\u2011engine light and emissions failure on your vehicle\u2014diagnose the circuit now and repair sensor or wiring today.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-10T10:40:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P0407 Code Symptoms, Diagnosis, Common Triggers &#038; Repair Costs\",\"datePublished\":\"2025-12-10T10:40:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/\"},\"wordCount\":1009,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/\",\"name\":\"P0407 Code Symptoms, Diagnosis, Common Triggers & Repair Costs - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-10T10:40:53+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"width\":2560,\"height\":617},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0407-egr-sensor-b-circuit-low\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P0407 Code Symptoms, Diagnosis, Common Triggers &#038; Repair Costs\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers  Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P0407 Code Symptoms, Diagnosis, Common Triggers & Repair Costs - Flagship One Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/","og_locale":"en_US","og_type":"article","og_title":"P0407 Code Symptoms, Diagnosis, Common Triggers & Repair Costs - Flagship One Blog","og_description":"Low EGR sensor B voltage triggers check\u2011engine light and emissions failure on your vehicle\u2014diagnose the circuit now and repair sensor or wiring today.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T10:40:53+00:00","og_image":[{"url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","type":"","width":"","height":""}],"author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P0407 Code Symptoms, Diagnosis, Common Triggers &#038; Repair Costs","datePublished":"2025-12-10T10:40:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/"},"wordCount":1009,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/","name":"P0407 Code Symptoms, Diagnosis, Common Triggers & Repair Costs - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-10T10:40:53+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#primaryimage","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","width":2560,"height":617},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0407-egr-sensor-b-circuit-low\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P0407 Code Symptoms, Diagnosis, Common Triggers &#038; Repair Costs"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers  Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/517558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=517558"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/517558\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=517558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=517558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=517558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}