{"id":78896,"date":"2025-07-23T15:44:03","date_gmt":"2025-07-23T20:44:03","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78896"},"modified":"2025-07-23T15:44:03","modified_gmt":"2025-07-23T20:44:03","slug":"p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","title":{"rendered":"P0B78 OBD2: Hybrid Battery Voltage Sense &#8220;M&#8221; Circuit Range\/Performance"},"content":{"rendered":"<p>The P0B78 code is an OBD-II trouble code that indicates a problem with the hybrid battery voltage sense circuit. This code is triggered when the High Voltage Control Module detects a voltage reading that is outside the expected range for the battery pack.<\/p>\n<h2>What Does the P0B78 Code Mean?<\/h2>\n<p>The P0B78 code signifies an issue with the Hybrid Battery Voltage Sense &#8220;M&#8221; Circuit. This typically points to a malfunction in the hybrid battery system, which could affect the overall performance of your vehicle&#8217;s hybrid functions.<\/p>\n<h2>What Causes the P0B78 Code?<\/h2>\n<p>Several factors can lead to the P0B78 code being set, including:<\/p>\n<ul>\n<li>High voltage battery connection failure<\/li>\n<li>High voltage battery assembly failure<\/li>\n<li>Wiring issues within the battery circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0B78 Code?<\/h2>\n<p>Common symptoms associated with the P0B78 code include:<\/p>\n<ul>\n<li>Increased fuel consumption<\/li>\n<li>Potential decrease in hybrid performance<\/li>\n<li>Warning lights on the dashboard<\/li>\n<\/ul>\n<h2>How Serious Is the P0B78 Code?<\/h2>\n<p>The P0B78 code is classified as urgent, indicating that immediate action is necessary. Ignoring this code can lead to severe damage to your vehicle&#8217;s hybrid system and may pose safety risks to both the driver and passengers.<\/p>\n<h2>How to Diagnose the P0B78 Code<\/h2>\n<p>Diagnosing the P0B78 code involves a systematic approach:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the code and check for any additional codes.<\/li>\n<li>Inspect the hybrid battery connections for any loose or corroded terminals.<\/li>\n<li>Examine the wiring for any signs of damage or wear.<\/li>\n<li>Test the high voltage battery assembly using specialized equipment, if necessary.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0B78 Code<\/h2>\n<p>Repairs for the P0B78 code may include:<\/p>\n<ul>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reconditioning or replacing the high voltage battery assembly<\/li>\n<li>Resetting the High Voltage Control Module after repairs<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0B78 Code?<\/h2>\n<p>The cost to fix the P0B78 code can vary significantly based on the specific issue. On average, repairs may range from $200 to $2,000, depending on whether wiring needs to be repaired or if the battery assembly requires replacement.<\/p>\n<h2>Can I Fix the P0B78 Code Myself?<\/h2>\n<p>While some aspects of diagnosing the P0B78 code can be tackled by a DIY enthusiast, it is advisable to seek professional help. The complexity of hybrid systems and the potential risks involved make it crucial to have an experienced technician perform repairs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0B78 code is an OBD-II trouble code that indicates a problem with the hybrid battery voltage sense circuit. This code is triggered when the High Voltage Control Module detects a voltage reading that is outside the expected range for the battery pack. What Does the P0B78 Code Mean? The P0B78 code signifies an issue &hellip;<\/p>\n","protected":false},"author":26,"featured_media":91079,"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-78896","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 v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P0B78 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0B78 code, what causes hybrid battery voltage sense circuit 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\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0B78 OBD2: Hybrid Battery Voltage Sense &quot;M&quot; Circuit Range\/Performance\" \/>\n<meta property=\"og:description\" content=\"The P0B78 code is an OBD-II trouble code that indicates a problem with the hybrid battery voltage sense circuit. This code is triggered when the High\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-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:published_time\" content=\"2025-07-23T20:44:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-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\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0B78 OBD2: Hybrid Battery Voltage Sense &#8220;M&#8221; Circuit Range\\\/Performance\",\"datePublished\":\"2025-07-23T20:44:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\"},\"wordCount\":411,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\",\"name\":\"OBD2 Code P0B78 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png\",\"datePublished\":\"2025-07-23T20:44:03+00:00\",\"description\":\"Learn all about the P0B78 code, what causes hybrid battery voltage sense circuit issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png\",\"width\":1200,\"height\":675,\"caption\":\"P0B78 OBD2: Hybrid Battery Voltage Sense \\\"M\\\" Circuit Range\\\/Performance\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P0B78 OBD2: Hybrid Battery Voltage Sense &#8220;M&#8221; 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 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 P0B78 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P0B78 code, what causes hybrid battery voltage sense circuit issues, and how to diagnose and fix common problems to maintain optimal vehicle 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\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","og_locale":"en_US","og_type":"article","og_title":"P0B78 OBD2: Hybrid Battery Voltage Sense \"M\" Circuit Range\/Performance","og_description":"The P0B78 code is an OBD-II trouble code that indicates a problem with the hybrid battery voltage sense circuit. This code is triggered when the High","og_url":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_published_time":"2025-07-23T20:44:03+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-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\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P0B78 OBD2: Hybrid Battery Voltage Sense &#8220;M&#8221; Circuit Range\/Performance","datePublished":"2025-07-23T20:44:03+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance"},"wordCount":411,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","url":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance","name":"OBD2 Code P0B78 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png","datePublished":"2025-07-23T20:44:03+00:00","description":"Learn all about the P0B78 code, what causes hybrid battery voltage sense circuit issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png","width":1200,"height":675,"caption":"P0B78 OBD2: Hybrid Battery Voltage Sense \"M\" Circuit Range\/Performance"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-range-performance#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P0B78 OBD2: Hybrid Battery Voltage Sense &#8220;M&#8221; 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 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\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-circuit-rangeperformance-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b78-obd2-hybrid-battery-voltage-sense-m-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":"The P0B78 code is an OBD-II trouble code that indicates a problem with the hybrid battery voltage sense circuit. This code is triggered when the High Voltage Control Module detects a voltage reading that is outside the expected range for the battery pack. What Does the P0B78 Code Mean? The P0B78 code signifies an issue&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78896","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=78896"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78896\/revisions"}],"predecessor-version":[{"id":85595,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78896\/revisions\/85595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/91079"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}