{"id":78142,"date":"2025-08-22T18:42:09","date_gmt":"2025-08-22T23:42:09","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78142"},"modified":"2025-08-22T18:42:09","modified_gmt":"2025-08-22T23:42:09","slug":"p0721-obd-ii-output-speed-sensor-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance","title":{"rendered":"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance"},"content":{"rendered":"<p>OBD-II Code P0721 signifies a malfunction related to the Output Speed Sensor Circuit. This sensor plays a crucial role in the functioning of your vehicle\u2019s transmission system.<\/p>\n<h2>What Does the P0721 Code Mean?<\/h2>\n<p>The P0721 code is defined as an issue with the Output Speed Sensor Circuit Range\/Performance. The Output Speed Sensor provides the Transmission Control Module (TCM) with information regarding the speed of the output shaft of the transmission. This data helps ensure that the correct gear is engaged.<\/p>\n<h2>What Causes the P0721 Code?<\/h2>\n<p>Several factors can trigger the P0721 code:<\/p>\n<ul>\n<li>Output shaft speed sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Wiring issues<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0721 Code?<\/h2>\n<p>Symptoms associated with the P0721 code may include:<\/p>\n<ul>\n<li>Increased fuel consumption<\/li>\n<li>Transmission may not shift properly<\/li>\n<\/ul>\n<h2>How Serious Is the P0721 Code?<\/h2>\n<p>The P0721 code is classified as urgent. Ignoring this code can lead to severe damage to the vehicle&#8217;s transmission system, which can result in costly repairs and potentially compromise the safety of the driver and passengers.<\/p>\n<h2>How to Diagnose the P0721 Code<\/h2>\n<p>Diagnosing the P0721 code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0721 code and check for any other related codes.<\/li>\n<li>Inspect the wiring and connectors associated with the Output Speed Sensor for any visible damage or corrosion.<\/li>\n<li>Test the Output Speed Sensor to ensure it is functioning correctly.<\/li>\n<li>Check the functionality of the TCM and PCM as necessary.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0721 Code<\/h2>\n<p>Common repairs that may be needed to resolve the P0721 code include:<\/p>\n<ul>\n<li>Replacing the Output Speed Sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the TCM or PCM if they are found to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0721 Code?<\/h2>\n<p>The cost to repair the P0721 code can vary widely based on the specific repair needed. On average, you might expect to pay anywhere from $100 to $300 for diagnosing and repairing the issue, with sensor replacements typically costing between $50 and $150 depending on the vehicle model and labor costs.<\/p>\n<h2>Can I Fix the P0721 Code Myself?<\/h2>\n<p>While some experienced DIY mechanics may be able to address the P0721 code by replacing the Output Speed Sensor or repairing wiring issues, it is crucial to perform a complete diagnostic to ensure that underlying problems are not overlooked. If you&#8217;re unsure, it\u2019s always best to consult a professional mechanic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OBD-II Code P0721 signifies a malfunction related to the Output Speed Sensor Circuit. This sensor plays a crucial role in the functioning of your vehicle\u2019s transmission system. What Does the P0721 Code Mean? The P0721 code is defined as an issue with the Output Speed Sensor Circuit Range\/Performance. The Output Speed Sensor provides the Transmission &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93423,"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-78142","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 P0721 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0721 code, what causes output speed sensor circuit range\/performance issues, 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\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance\" \/>\n<meta property=\"og:description\" content=\"OBD-II Code P0721 signifies a malfunction related to the Output Speed Sensor Circuit. This sensor plays a crucial role in the functioning of your\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\" \/>\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=\"2025-08-22T23:42:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.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\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0721 OBD-II: Output Speed Sensor Circuit Range\\\/Performance\",\"datePublished\":\"2025-08-22T23:42:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\"},\"wordCount\":415,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\",\"name\":\"OBD2 Code P0721 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png\",\"datePublished\":\"2025-08-22T23:42:09+00:00\",\"description\":\"Learn all about the P0721 code, what causes output speed sensor circuit range\\\/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png\",\"width\":1200,\"height\":675,\"caption\":\"P0721 OBD-II: Output Speed Sensor Circuit Range\\\/Performance\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P0721 OBD-II: Output Speed Sensor Circuit Range\\\/Performance\"}]},{\"@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 P0721 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P0721 code, what causes output speed sensor circuit range\/performance issues, 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\/p0721-obd-ii-output-speed-sensor-circuit-range-performance","og_locale":"en_US","og_type":"article","og_title":"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance","og_description":"OBD-II Code P0721 signifies a malfunction related to the Output Speed Sensor Circuit. This sensor plays a crucial role in the functioning of your","og_url":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-08-22T23:42:09+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.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\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance","datePublished":"2025-08-22T23:42:09+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance"},"wordCount":415,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance","url":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance","name":"OBD2 Code P0721 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png","datePublished":"2025-08-22T23:42:09+00:00","description":"Learn all about the P0721 code, what causes output speed sensor circuit range\/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png","width":1200,"height":675,"caption":"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p0721-obd-ii-output-speed-sensor-circuit-range-performance#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P0721 OBD-II: Output Speed Sensor Circuit Range\/Performance"}]},{"@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\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0721-obd-ii-output-speed-sensor-circuit-rangeperformance-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":"OBD-II Code P0721 signifies a malfunction related to the Output Speed Sensor Circuit. This sensor plays a crucial role in the functioning of your vehicle\u2019s transmission system. What Does the P0721 Code Mean? The P0721 code is defined as an issue with the Output Speed Sensor Circuit Range\/Performance. The Output Speed Sensor provides the Transmission&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78142","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=78142"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78142\/revisions"}],"predecessor-version":[{"id":84841,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78142\/revisions\/84841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93423"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}