{"id":79599,"date":"2025-06-09T14:24:54","date_gmt":"2025-06-09T19:24:54","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79599"},"modified":"2025-09-15T22:17:19","modified_gmt":"2025-09-16T03:17:19","slug":"p2247-obd2-o2-sensor-reference-voltage-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open","title":{"rendered":"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open (Bank 2 Sensor 1)"},"content":{"rendered":"<h2>What Does the P2247 Code Mean?<\/h2>\n<p>The P2247 code refers to a malfunction in the oxygen sensor reference voltage circuit. This issue is detected by the vehicle&#8217;s Powertrain Control Module (PCM) when it receives incorrect readings from the oxygen sensor, which is critical for controlling the engine&#8217;s fuel injection and emissions.<\/p>\n<h2>What Causes the P2247 Code?<\/h2>\n<p>The P2247 code can be triggered by several factors, including:<\/p>\n<ul>\n<li>Exhaust leak<\/li>\n<li>Oxygen sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues within the circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2247 Code?<\/h2>\n<p>When a P2247 code is present, you may experience the following symptoms:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P2247 Code?<\/h2>\n<p>The P2247 code is categorized as a moderate severity issue. While it may not pose an immediate threat to safety or functionality, it is advisable to have it diagnosed and repaired promptly to maintain the vehicle&#8217;s performance and avoid further complications.<\/p>\n<h2>How to Diagnose the P2247 Code<\/h2>\n<p>Diagnosing the P2247 code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P2247 code and check for any related codes.<\/li>\n<li>Inspect the wiring and connectors related to the oxygen sensor for damage or corrosion.<\/li>\n<li>Test the oxygen sensor to determine if it is functioning correctly.<\/li>\n<li>Check for any exhaust leaks that may affect sensor readings.<\/li>\n<li>If necessary, test the PCM for faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2247 Code<\/h2>\n<p>Common repairs to resolve a P2247 code may include:<\/p>\n<ul>\n<li>Replacing the faulty oxygen sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Fixing any exhaust leaks<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if it is determined to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2247 Code?<\/h2>\n<p>The cost to fix the P2247 code can vary significantly based on the specific cause of the issue. Generally, you can expect to pay between $100 and $500, depending on whether you need a simple wiring repair or a replacement of the oxygen sensor or PCM.<\/p>\n<h2>Can I Fix the P2247 Code Myself?<\/h2>\n<p>If you have experience with automotive repairs and access to the necessary tools, you may be able to diagnose and fix the P2247 code yourself. However, if you&#8217;re unsure or lack the required tools, it is recommended to seek assistance from a professional mechanic to ensure the problem is correctly addressed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P2247 Code Mean? The P2247 code refers to a malfunction in the oxygen sensor reference voltage circuit. This issue is detected by the vehicle&#8217;s Powertrain Control Module (PCM) when it receives incorrect readings from the oxygen sensor, which is critical for controlling the engine&#8217;s fuel injection and emissions. What Causes the P2247 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":88346,"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-79599","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 P2247 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2247 code, what causes O2 sensor reference voltage circuit\/open issues, and how to diagnose and fix common problems 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\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open (Bank 2 Sensor 1)\" \/>\n<meta property=\"og:description\" content=\"What Does the P2247 Code Mean? The P2247 code refers to a malfunction in the oxygen sensor reference voltage circuit. This issue is detected by the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\" \/>\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=\"2025-06-09T19:24:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-16T03:17:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.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\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2247 OBD2: O2 Sensor Reference Voltage Circuit\\\/Open (Bank 2 Sensor 1)\",\"datePublished\":\"2025-06-09T19:24:54+00:00\",\"dateModified\":\"2025-09-16T03:17:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\"},\"wordCount\":399,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\",\"name\":\"OBD2 Code P2247 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png\",\"datePublished\":\"2025-06-09T19:24:54+00:00\",\"dateModified\":\"2025-09-16T03:17:19+00:00\",\"description\":\"Learn all about the P2247 code, what causes O2 sensor reference voltage circuit\\\/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png\",\"width\":1200,\"height\":675,\"caption\":\"P2247 OBD2: O2 Sensor Reference Voltage Circuit\\\/Open\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2247 OBD2: O2 Sensor Reference Voltage Circuit\\\/Open (Bank 2 Sensor 1)\"}]},{\"@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\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"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 P2247 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P2247 code, what causes O2 sensor reference voltage circuit\/open issues, and how to diagnose and fix common problems 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\/p2247-obd2-o2-sensor-reference-voltage-circuit-open","og_locale":"en_US","og_type":"article","og_title":"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open (Bank 2 Sensor 1)","og_description":"What Does the P2247 Code Mean? The P2247 code refers to a malfunction in the oxygen sensor reference voltage circuit. This issue is detected by the","og_url":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-06-09T19:24:54+00:00","article_modified_time":"2025-09-16T03:17:19+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.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\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open (Bank 2 Sensor 1)","datePublished":"2025-06-09T19:24:54+00:00","dateModified":"2025-09-16T03:17:19+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open"},"wordCount":399,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open","url":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open","name":"OBD2 Code P2247 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png","datePublished":"2025-06-09T19:24:54+00:00","dateModified":"2025-09-16T03:17:19+00:00","description":"Learn all about the P2247 code, what causes O2 sensor reference voltage circuit\/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png","width":1200,"height":675,"caption":"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p2247-obd2-o2-sensor-reference-voltage-circuit-open#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2247 OBD2: O2 Sensor Reference Voltage Circuit\/Open (Bank 2 Sensor 1)"}]},{"@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\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","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\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2247-obd2-o2-sensor-reference-voltage-circuitopen-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":"What Does the P2247 Code Mean? The P2247 code refers to a malfunction in the oxygen sensor reference voltage circuit. This issue is detected by the vehicle&#8217;s Powertrain Control Module (PCM) when it receives incorrect readings from the oxygen sensor, which is critical for controlling the engine&#8217;s fuel injection and emissions. What Causes the P2247&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79599","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=79599"}],"version-history":[{"count":4,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79599\/revisions"}],"predecessor-version":[{"id":96527,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79599\/revisions\/96527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/88346"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}