{"id":79043,"date":"2025-07-16T21:52:29","date_gmt":"2025-07-17T02:52:29","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79043"},"modified":"2025-07-17T07:14:52","modified_gmt":"2025-07-17T12:14:52","slug":"p0c0b-obd2-drive-motor-a-inverter-power-supply-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuit-open","title":{"rendered":"P0C0B OBD2: Drive Motor &#8220;A&#8221; Inverter Power Supply Circuit\/Open"},"content":{"rendered":"<p>The P0C0B code is a generic OBD-II trouble code that indicates a problem with the Drive Motor &#8220;A&#8221; Inverter Power Supply Circuit. This code is triggered when the Drive Motor Generator Power Inverter Control Module detects an open circuit in its power supply.<\/p>\n<h2>What Does the P0C0B Code Mean?<\/h2>\n<p>When the P0C0B code is stored in your vehicle\u2019s computer, it means that the inverter control module is unable to properly regulate the high voltage system and drivetrain components due to an open circuit in the power supply. This issue can significantly impact the vehicle&#8217;s performance and safety.<\/p>\n<h2>What Causes the P0C0B Code?<\/h2>\n<p>The P0C0B code can be caused by several factors, including:<\/p>\n<ul>\n<li>Failure in the Drive Motor Generator Power Inverter Control Module<\/li>\n<li>Wiring issues such as damaged or corroded connections<\/li>\n<li>Short circuits within the inverter power supply circuit<\/li>\n<li>Faulty sensors that report incorrect data to the control module<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0C0B Code?<\/h2>\n<p>Symptoms associated with the P0C0B code may include:<\/p>\n<ul>\n<li>Illumination of the check engine light<\/li>\n<li>Reduced engine power or performance<\/li>\n<li>Increased fuel consumption<\/li>\n<li>Potential shutdown of the hybrid system in vehicles with hybrid technology<\/li>\n<\/ul>\n<h2>How Serious Is the P0C0B Code?<\/h2>\n<p>The P0C0B code is classified as urgent. It indicates a significant malfunction that can lead to severe damage to your vehicle&#8217;s high voltage system or drivetrain components. Immediate attention is required to avoid further complications.<\/p>\n<h2>How to Diagnose the P0C0B Code<\/h2>\n<p>Diagnosing the P0C0B code requires a systematic approach, including:<\/p>\n<ol>\n<li>Using an OBD-II scanner to confirm the presence of the P0C0B code and check for any other related codes.<\/li>\n<li>Inspecting the wiring and connectors associated with the Drive Motor Generator Power Inverter Control Module for damage or corrosion.<\/li>\n<li>Testing the functionality of the power inverter control module itself.<\/li>\n<li>Conducting a visual inspection and performing tests on the high voltage system to ensure everything is functioning as it should.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0C0B Code<\/h2>\n<p>Common repairs for resolving the P0C0B code include:<\/p>\n<ul>\n<li>Repairing or replacing damaged wiring and connectors in the power supply circuit<\/li>\n<li>Replacing the Drive Motor Generator Power Inverter Control Module if it is determined to be faulty<\/li>\n<li>Addressing any underlying issues that may have caused the module to fail<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0C0B Code?<\/h2>\n<p>The cost to fix the P0C0B code can vary widely based on the underlying issue. On average, repairs may range from $200 to $1,500, including parts and labor, depending on whether wiring issues or module replacement is necessary.<\/p>\n<h2>Can I Fix the P0C0B Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to troubleshoot and repair minor wiring issues, addressing problems with the Drive Motor Generator Power Inverter Control Module typically requires specialized knowledge and tools. It is advisable to seek professional assistance for an accurate diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0C0B code is a generic OBD-II trouble code that indicates a problem with the Drive Motor &#8220;A&#8221; Inverter Power Supply Circuit. This code is triggered when the Drive Motor Generator Power Inverter Control Module detects an open circuit in its power supply. What Does the P0C0B Code Mean? When the P0C0B code is stored &hellip;<\/p>\n","protected":false},"author":26,"featured_media":90566,"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-79043","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 P0C0B \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0C0B code, what causes drive motor &#039;A&#039; inverter power supply circuit\/open issues, and how to diagnose and fix common problems to maintain optimal vehicle 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\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0C0B OBD2: Drive Motor &quot;A&quot; Inverter Power Supply Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"The P0C0B code is a generic OBD-II trouble code that indicates a problem with the Drive Motor &quot;A&quot; Inverter Power Supply Circuit. 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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\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-circuitopen-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c0b-obd2-drive-motor-a-inverter-power-supply-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":"The P0C0B code is a generic OBD-II trouble code that indicates a problem with the Drive Motor &#8220;A&#8221; Inverter Power Supply Circuit. This code is triggered when the Drive Motor Generator Power Inverter Control Module detects an open circuit in its power supply. What Does the P0C0B Code Mean? When the P0C0B code is stored&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79043","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=79043"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79043\/revisions"}],"predecessor-version":[{"id":90606,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79043\/revisions\/90606"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/90566"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79043"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}