{"id":80026,"date":"2025-05-26T09:27:05","date_gmt":"2025-05-26T14:27:05","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80026"},"modified":"2025-06-04T05:10:22","modified_gmt":"2025-06-04T10:10:22","slug":"p2634-obd2-fuel-pump-b-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high","title":{"rendered":"P2634 OBD2: Fuel Pump &#8220;B&#8221; Control Circuit High"},"content":{"rendered":"<p>The P2634 code indicates a high voltage issue in the Fuel Pump &#8220;B&#8221; control circuit. This code is part of the On-Board Diagnostics II (OBD-II) system and signifies a potential issue with the fuel delivery system in your vehicle.<\/p>\n<h2>What Does the P2634 Code Mean?<\/h2>\n<p>The P2634 code is triggered when the Powertrain Control Module (PCM) detects an abnormal signal from the Fuel Pump. This means that the control circuit for the fuel pump is experiencing a higher than normal voltage, which can lead to decreased engine performance.<\/p>\n<h2>What Causes the P2634 Code?<\/h2>\n<p>Several issues can lead to the P2634 code being set, including:<\/p>\n<ul>\n<li>Fuel pump failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues within the fuel pump circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2634 Code?<\/h2>\n<p>Common symptoms associated with the P2634 code include:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may not start<\/li>\n<\/ul>\n<h2>How Serious Is the P2634 Code?<\/h2>\n<p>The P2634 code is classified as urgent. Ignoring this code can lead to serious vehicle damage and may compromise safety. It is important to address this issue promptly to avoid further complications.<\/p>\n<h2>How to Diagnose the P2634 Code<\/h2>\n<p>To properly diagnose the P2634 code, a mechanic will typically follow these steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the error code.<\/li>\n<li>Inspect the wiring and connectors of the fuel pump for signs of damage or corrosion.<\/li>\n<li>Test the fuel pump operation and voltage levels.<\/li>\n<li>Check the PCM for faults to ensure it is functioning correctly.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2634 Code<\/h2>\n<p>Repairs for the P2634 code may include:<\/p>\n<ul>\n<li>Fuel pump replacement<\/li>\n<li>Repair or replacement of damaged wiring or connectors<\/li>\n<li>PCM replacement if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2634 Code?<\/h2>\n<p>The cost to fix the P2634 code can vary significantly depending on the underlying issue. On average, repairs can range from $100 to $1,000, depending on whether a simple wiring fix is needed or if a fuel pump or PCM replacement is required.<\/p>\n<h2>Can I Fix the P2634 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to troubleshoot and fix minor wiring issues, replacing a fuel pump or PCM typically requires professional expertise. It is advisable to consult with a qualified mechanic to ensure proper diagnosis and repair of the P2634 code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2634 code indicates a high voltage issue in the Fuel Pump &#8220;B&#8221; control circuit. This code is part of the On-Board Diagnostics II (OBD-II) system and signifies a potential issue with the fuel delivery system in your vehicle. What Does the P2634 Code Mean? The P2634 code is triggered when the Powertrain Control Module &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82624,"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-80026","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 P2634 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2634 code, what causes fuel pump &quot;B&quot; control 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\/p2634-obd2-fuel-pump-b-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2634 OBD2: Fuel Pump &quot;B&quot; Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P2634 code indicates a high voltage issue in the Fuel Pump &quot;B&quot; control circuit. This code is part of the On-Board Diagnostics II (OBD-II) system and\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-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=\"2025-05-26T14:27:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:10:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-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\" 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\/p2634-obd2-fuel-pump-b-control-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2634 OBD2: Fuel Pump &#8220;B&#8221; Control Circuit High\",\"datePublished\":\"2025-05-26T14:27:05+00:00\",\"dateModified\":\"2025-06-04T10:10:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high\"},\"wordCount\":379,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high\",\"name\":\"OBD2 Code P2634 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png\",\"datePublished\":\"2025-05-26T14:27:05+00:00\",\"dateModified\":\"2025-06-04T10:10:22+00:00\",\"description\":\"Learn all about the P2634 code, what causes fuel pump \\\"B\\\" control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png\",\"contentUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png\",\"width\":1200,\"height\":675,\"caption\":\"P2634 OBD2: Fuel Pump \\\"B\\\" Control Circuit High\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.emanualonline.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2634 OBD2: Fuel Pump &#8220;B&#8221; Control Circuit High\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#website\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/\",\"name\":\"eManualOnline Blog\",\"description\":\"Free Tips on Car Service, Repair and General Stuff\",\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.emanualonline.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\",\"name\":\"eManualOnline\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png\",\"contentUrl\":\"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png\",\"width\":512,\"height\":82,\"caption\":\"eManualOnline\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/EmanualOnline\/\",\"https:\/\/x.com\/eManualOnline\",\"https:\/\/www.instagram.com\/emanual.online\/\",\"https:\/\/www.linkedin.com\/company\/emanualonline\",\"https:\/\/www.pinterest.com\/emanualonline\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\",\"name\":\"JC Landry\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg\",\"contentUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg\",\"caption\":\"JC Landry\"},\"description\":\"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. 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\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"OBD2 Code P2634 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P2634 code, what causes fuel pump \"B\" control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.","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.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high","og_locale":"en_US","og_type":"article","og_title":"P2634 OBD2: Fuel Pump \"B\" Control Circuit High","og_description":"The P2634 code indicates a high voltage issue in the Fuel Pump \"B\" control circuit. This code is part of the On-Board Diagnostics II (OBD-II) system and","og_url":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-05-26T14:27:05+00:00","article_modified_time":"2025-06-04T10:10:22+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png","type":"image\/png"}],"author":"JC Landry","twitter_card":"summary_large_image","twitter_creator":"@eManualOnline","twitter_site":"@eManualOnline","twitter_misc":{"Written by":"JC Landry","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P2634 OBD2: Fuel Pump &#8220;B&#8221; Control Circuit High","datePublished":"2025-05-26T14:27:05+00:00","dateModified":"2025-06-04T10:10:22+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high"},"wordCount":379,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high","url":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high","name":"OBD2 Code P2634 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png","datePublished":"2025-05-26T14:27:05+00:00","dateModified":"2025-06-04T10:10:22+00:00","description":"Learn all about the P2634 code, what causes fuel pump \"B\" control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png","width":1200,"height":675,"caption":"P2634 OBD2: Fuel Pump \"B\" Control Circuit High"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p2634-obd2-fuel-pump-b-control-circuit-high#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2634 OBD2: Fuel Pump &#8220;B&#8221; Control Circuit High"}]},{"@type":"WebSite","@id":"https:\/\/www.emanualonline.com\/blog\/#website","url":"https:\/\/www.emanualonline.com\/blog\/","name":"eManualOnline Blog","description":"Free Tips on Car Service, Repair and General Stuff","publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.emanualonline.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.emanualonline.com\/blog\/#organization","name":"eManualOnline","url":"https:\/\/www.emanualonline.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","contentUrl":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","width":512,"height":82,"caption":"eManualOnline"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/EmanualOnline\/","https:\/\/x.com\/eManualOnline","https:\/\/www.instagram.com\/emanual.online\/","https:\/\/www.linkedin.com\/company\/emanualonline","https:\/\/www.pinterest.com\/emanualonline\/"]},{"@type":"Person","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403","name":"JC Landry","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","caption":"JC Landry"},"description":"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. 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\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2634-obd2-fuel-pump-b-control-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 P2634 code indicates a high voltage issue in the Fuel Pump &#8220;B&#8221; control circuit. This code is part of the On-Board Diagnostics II (OBD-II) system and signifies a potential issue with the fuel delivery system in your vehicle. What Does the P2634 Code Mean? The P2634 code is triggered when the Powertrain Control Module&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80026","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=80026"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80026\/revisions"}],"predecessor-version":[{"id":82626,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80026\/revisions\/82626"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82624"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}