{"id":79153,"date":"2025-07-12T16:43:14","date_gmt":"2025-07-12T21:43:14","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79153"},"modified":"2025-07-12T16:43:14","modified_gmt":"2025-07-12T21:43:14","slug":"p0c79-obd2-drive-motor-a-inverter-voltage-too-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0c79-obd2-drive-motor-a-inverter-voltage-too-high","title":{"rendered":"P0C79 OBD2: Drive Motor &#8220;A&#8221; Inverter Voltage Too High"},"content":{"rendered":"<p>OBD-II code P0C79 is an urgent diagnostic trouble code indicating that the voltage from the Drive Motor &#8220;A&#8221; inverter is too high. This issue is commonly monitored by the Transmission Control Module (TCM), which compares the actual voltage to the requested voltage from the Battery Energy Control Module (BECM).<\/p>\n<h2>What Does the P0C79 Code Mean?<\/h2>\n<p>The P0C79 code signifies a malfunction in the electric vehicle&#8217;s power management system, specifically relating to the inverter voltage. This can lead to performance issues and may compromise the vehicle&#8217;s operation.<\/p>\n<h2>What Causes the P0C79 Code?<\/h2>\n<p>The primary causes of the P0C79 code include:<\/p>\n<ul>\n<li>Battery Energy Control Module (BECM) failure<\/li>\n<li>Wiring issues that disrupt the voltage signal<\/li>\n<\/ul>\n<p>These issues can prevent the proper functioning of the drive motor, leading to a potential breakdown or unsafe driving conditions.<\/p>\n<h2>What Are the Symptoms of the P0C79 Code?<\/h2>\n<p>Symptoms associated with the P0C79 code may include:<\/p>\n<ul>\n<li>Reduced power or performance from the vehicle<\/li>\n<li>Warning lights on the dashboard<\/li>\n<li>Increased energy consumption<\/li>\n<li>Possible overheating of the inverter<\/li>\n<\/ul>\n<h2>How Serious Is the P0C79 Code?<\/h2>\n<p>The P0C79 code is classified as urgent, meaning immediate attention is necessary. If not addressed, this issue can lead to severe damage to the vehicle&#8217;s electrical system or create hazardous driving conditions.<\/p>\n<h2>How to Diagnose the P0C79 Code<\/h2>\n<p>To accurately diagnose the P0C79 code, a professional mechanic should:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the code<\/li>\n<li>Inspect the wiring and connections between the BECM and TCM<\/li>\n<li>Test the voltage levels at various points in the system to identify discrepancies<\/li>\n<li>Check the functionality of the Battery Energy Control Module<\/li>\n<\/ul>\n<h2>Common Repairs for the P0C79 Code<\/h2>\n<p>Common repairs to address the P0C79 code may include:<\/p>\n<ul>\n<li>Replacing a faulty Battery Energy Control Module (BECM)<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Performing a thorough system reset after repairs<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0C79 Code?<\/h2>\n<p>The cost to fix the P0C79 code can vary widely depending on the underlying issue. On average, repairs may range from $200 to $1,500, depending on whether it involves simple wiring repairs or a more complex BECM replacement.<\/p>\n<h2>Can I Fix the P0C79 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may attempt to fix the P0C79 code, it is advisable to seek professional assistance. The complexity of the electrical systems involved and the potential risks of improper repairs can lead to further damage or safety issues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OBD-II code P0C79 is an urgent diagnostic trouble code indicating that the voltage from the Drive Motor &#8220;A&#8221; inverter is too high. This issue is commonly monitored by the Transmission Control Module (TCM), which compares the actual voltage to the requested voltage from the Battery Energy Control Module (BECM). What Does the P0C79 Code Mean? &hellip;<\/p>\n","protected":false},"author":26,"featured_media":89763,"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-79153","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 P0C79 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0C79 code, what causes Drive Motor &quot;A&quot; Inverter Voltage Too 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\/p0c79-obd2-drive-motor-a-inverter-voltage-too-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0C79 OBD2: Drive Motor &quot;A&quot; Inverter Voltage Too High\" \/>\n<meta property=\"og:description\" content=\"OBD-II code P0C79 is an urgent diagnostic trouble code indicating that the voltage from the Drive Motor &quot;A&quot; inverter is too high. This issue is commonly\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0c79-obd2-drive-motor-a-inverter-voltage-too-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=\"2025-07-12T21:43:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c79-obd2-drive-motor-a-inverter-voltage-too-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\/p0c79-obd2-drive-motor-a-inverter-voltage-too-high#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0c79-obd2-drive-motor-a-inverter-voltage-too-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0C79 OBD2: Drive Motor &#8220;A&#8221; 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This issue is commonly monitored by the Transmission Control Module (TCM), which compares the actual voltage to the requested voltage from the Battery Energy Control Module (BECM). What Does the P0C79 Code Mean?&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79153","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=79153"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79153\/revisions"}],"predecessor-version":[{"id":85852,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79153\/revisions\/85852"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/89763"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}