{"id":78920,"date":"2025-07-23T15:25:52","date_gmt":"2025-07-23T20:25:52","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78920"},"modified":"2025-07-23T15:25:52","modified_gmt":"2025-07-23T20:25:52","slug":"p0b90-obd2-hybrid-battery-voltage-sense-r-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit","title":{"rendered":"P0B90 OBD2: Hybrid Battery Voltage Sense &#8220;R&#8221; Circuit"},"content":{"rendered":"<h2>What Does the P0B90 Code Mean?<\/h2>\n<p>The P0B90 code indicates a fault in the Hybrid Battery Voltage Sense &#8220;R&#8221; Circuit. This code is part of the OBD-II diagnostic system, which monitors the performance of various components in hybrid vehicles.<\/p>\n<h2>What Causes the P0B90 Code?<\/h2>\n<p>The P0B90 code is triggered when the High Voltage Control Module detects an issue with one or more of the battery packs that comprise the High Voltage Battery Assembly. Possible causes include:<\/p>\n<ul>\n<li>High voltage battery connection failure<\/li>\n<li>High voltage battery assembly failure<\/li>\n<li>Wiring issues<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0B90 Code?<\/h2>\n<p>Common symptoms associated with the P0B90 code include:<\/p>\n<ul>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P0B90 Code?<\/h2>\n<p>The P0B90 code is classified as an urgent issue. It indicates a significant malfunction that requires immediate attention to prevent severe damage to the vehicle or potential harm to the driver and passengers.<\/p>\n<h2>How to Diagnose the P0B90 Code<\/h2>\n<p>Proper diagnosis of the P0B90 code involves a complete diagnostic routine, which may include:<\/p>\n<ul>\n<li>Using an OBD-II scanner to confirm the code<\/li>\n<li>Inspecting the high voltage battery connections and wiring<\/li>\n<li>Testing the high voltage battery assembly for faults<\/li>\n<\/ul>\n<h2>Common Repairs for the P0B90 Code<\/h2>\n<p>Repairs for the P0B90 code may include:<\/p>\n<ul>\n<li>Repairing or replacing faulty wiring<\/li>\n<li>Fixing or replacing the high voltage battery assembly<\/li>\n<li>Ensuring secure connections within the high voltage battery pack<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0B90 Code?<\/h2>\n<p>The cost to fix the P0B90 code can vary widely based on the specific issue. Repairs may range from a few hundred dollars for minor wiring issues to several thousand dollars if the high voltage battery assembly needs replacement.<\/p>\n<h2>Can I Fix the P0B90 Code Myself?<\/h2>\n<p>While some aspects of diagnosing the P0B90 code can be performed by a knowledgeable DIYer, it is advised to seek professional help for serious issues. Hybrid systems can be complex and pose safety risks if not handled correctly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0B90 Code Mean? The P0B90 code indicates a fault in the Hybrid Battery Voltage Sense &#8220;R&#8221; Circuit. This code is part of the OBD-II diagnostic system, which monitors the performance of various components in hybrid vehicles. What Causes the P0B90 Code? The P0B90 code is triggered when the High Voltage Control Module &hellip;<\/p>\n","protected":false},"author":26,"featured_media":91004,"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-78920","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 P0B90 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0B90 code, what causes hybrid battery voltage sense issues, and how to diagnose and fix common issues 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\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0B90 OBD2: Hybrid Battery Voltage Sense &quot;R&quot; Circuit\" \/>\n<meta property=\"og:description\" content=\"What Does the P0B90 Code Mean? The P0B90 code indicates a fault in the Hybrid Battery Voltage Sense &quot;R&quot; Circuit. This code is part of the OBD-II\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit\" \/>\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=\"2025-07-23T20:25:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit.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\\\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0b90-obd2-hybrid-battery-voltage-sense-r-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0B90 OBD2: Hybrid Battery Voltage Sense &#8220;R&#8221; 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The P0B90 code indicates a fault in the Hybrid Battery Voltage Sense &#8220;R&#8221; Circuit. This code is part of the OBD-II diagnostic system, which monitors the performance of various components in hybrid vehicles. What Causes the P0B90 Code? The P0B90 code is triggered when the High Voltage Control Module&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78920","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=78920"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78920\/revisions"}],"predecessor-version":[{"id":85619,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78920\/revisions\/85619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/91004"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}