{"id":77115,"date":"2025-09-13T23:11:43","date_gmt":"2025-09-14T04:11:43","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77115"},"modified":"2025-09-13T23:11:43","modified_gmt":"2025-09-14T04:11:43","slug":"p001d-obd2-a-camshaft-profile-control-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open","title":{"rendered":"P001D OBD2: &#8220;A&#8221; Camshaft Profile Control Circuit\/Open"},"content":{"rendered":"<h2>What Does the P001D Code Mean?<\/h2>\n<p>The P001D code indicates a problem with the &#8220;A&#8221; camshaft profile control circuit. It typically means that the engine control module (PCM) has detected an issue with the camshaft timing mechanism, which is crucial for optimal engine performance.<\/p>\n<h2>What Causes the P001D Code?<\/h2>\n<p>This code can be triggered by several factors, including:<\/p>\n<ul>\n<li>Camshaft variable timing solenoid failure<\/li>\n<li>Engine oil level being too low<\/li>\n<li>Engine oil that does not meet the manufacturer&#8217;s specifications<\/li>\n<li>Variable valve timing actuator failure<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P001D Code?<\/h2>\n<p>Drivers may notice symptoms such as:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P001D Code?<\/h2>\n<p>The P001D code is classified as urgent. It indicates that immediate action is necessary, as neglecting this issue could lead to severe damage to the vehicle or pose safety risks to the driver and passengers.<\/p>\n<h2>How to Diagnose the P001D Code<\/h2>\n<p>Diagnosing the P001D code involves a thorough inspection of the vehicle, including:<\/p>\n<ul>\n<li>Checking the engine oil level and quality<\/li>\n<li>Inspecting the camshaft variable timing solenoid and actuator<\/li>\n<li>Using an OBD-II scanner to verify the code and check for other related codes<\/li>\n<\/ul>\n<h2>Common Repairs for the P001D Code<\/h2>\n<p>To fix the P001D code, common repairs may include:<\/p>\n<ul>\n<li>Oil and filter change<\/li>\n<li>Replacing the camshaft variable timing solenoid<\/li>\n<li>Repairing or replacing the variable valve timing actuator<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P001D Code?<\/h2>\n<p>The cost to repair the P001D code can vary widely based on the underlying issue. Generally, repairs can range from $100 to $1,500, depending on whether it\u2019s a simple oil change or a more extensive engine repair.<\/p>\n<h2>Can I Fix the P001D Code Myself?<\/h2>\n<p>While some basic maintenance tasks, like changing the oil and filter, can be done by yourself, diagnosing and fixing the P001D code may require professional expertise. It\u2019s crucial to understand the implications of the code and properly assess the vehicle to avoid unnecessary repairs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P001D Code Mean? The P001D code indicates a problem with the &#8220;A&#8221; camshaft profile control circuit. It typically means that the engine control module (PCM) has detected an issue with the camshaft timing mechanism, which is crucial for optimal engine performance. What Causes the P001D Code? This code can be triggered by &hellip;<\/p>\n","protected":false},"author":26,"featured_media":96261,"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-77115","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 v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P001D \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P001D code, what causes &quot;A&quot; camshaft profile control 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\/p001d-obd2-a-camshaft-profile-control-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P001D OBD2: &quot;A&quot; Camshaft Profile Control Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"What Does the P001D Code Mean? The P001D code indicates a problem with the &quot;A&quot; camshaft profile control circuit. It typically means that the engine\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-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:published_time\" content=\"2025-09-14T04:11:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-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\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P001D OBD2: &#8220;A&#8221; Camshaft Profile Control Circuit\\\/Open\",\"datePublished\":\"2025-09-14T04:11:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open\"},\"wordCount\":346,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/p001d-obd2-a-camshaft-profile-control-circuitopen.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open\",\"name\":\"OBD2 Code P001D \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/p001d-obd2-a-camshaft-profile-control-circuitopen.png\",\"datePublished\":\"2025-09-14T04:11:43+00:00\",\"description\":\"Learn all about the P001D code, what causes \\\"A\\\" camshaft profile control circuit\\\/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/p001d-obd2-a-camshaft-profile-control-circuitopen.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/p001d-obd2-a-camshaft-profile-control-circuitopen.png\",\"width\":1200,\"height\":675,\"caption\":\"P001D OBD2: \\\"A\\\" Camshaft Profile Control Circuit\\\/Open\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p001d-obd2-a-camshaft-profile-control-circuit-open#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P001D OBD2: &#8220;A&#8221; Camshaft Profile Control Circuit\\\/Open\"}]},{\"@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 spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.\",\"sameAs\":[\"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 P001D \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P001D code, what causes \"A\" camshaft profile control 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\/p001d-obd2-a-camshaft-profile-control-circuit-open","og_locale":"en_US","og_type":"article","og_title":"P001D OBD2: \"A\" Camshaft Profile Control Circuit\/Open","og_description":"What Does the P001D Code Mean? The P001D code indicates a problem with the \"A\" camshaft profile control circuit. It typically means that the engine","og_url":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_published_time":"2025-09-14T04:11:43+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-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\/p001d-obd2-a-camshaft-profile-control-circuit-open#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P001D OBD2: &#8220;A&#8221; Camshaft Profile Control Circuit\/Open","datePublished":"2025-09-14T04:11:43+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open"},"wordCount":346,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open","url":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open","name":"OBD2 Code P001D \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png","datePublished":"2025-09-14T04:11:43+00:00","description":"Learn all about the P001D code, what causes \"A\" camshaft profile control circuit\/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png","width":1200,"height":675,"caption":"P001D OBD2: \"A\" Camshaft Profile Control Circuit\/Open"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p001d-obd2-a-camshaft-profile-control-circuit-open#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P001D OBD2: &#8220;A&#8221; Camshaft Profile Control Circuit\/Open"}]},{"@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 spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.","sameAs":["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\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-circuitopen-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p001d-obd2-a-camshaft-profile-control-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 P001D Code Mean? The P001D code indicates a problem with the &#8220;A&#8221; camshaft profile control circuit. It typically means that the engine control module (PCM) has detected an issue with the camshaft timing mechanism, which is crucial for optimal engine performance. What Causes the P001D Code? This code can be triggered by&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77115","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=77115"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77115\/revisions"}],"predecessor-version":[{"id":83814,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77115\/revisions\/83814"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/96261"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}