{"id":85803,"date":"2023-06-22T00:32:49","date_gmt":"2023-06-22T07:32:49","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=85803"},"modified":"2025-03-12T20:14:37","modified_gmt":"2025-03-13T03:14:37","slug":"hybrid-system-malfunction-meaning-causes-and-other-faqs","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/hybrid-system-malfunction-meaning-causes-and-other-faqs\/","title":{"rendered":"Hybrid System Malfunction: Meaning, Causes, and Other FAQs"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column85803_e59a1f-70 > .kt-inside-inner-col,.kadence-column85803_e59a1f-70 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column85803_e59a1f-70 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column85803_e59a1f-70 > .kt-inside-inner-col{flex-direction:column;}.kadence-column85803_e59a1f-70 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column85803_e59a1f-70 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column85803_e59a1f-70{position:relative;}@media all and (max-width: 1024px){.kadence-column85803_e59a1f-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column85803_e59a1f-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column85803_e59a1f-70 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-dc0336  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-966ed7\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce, .wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce[data-kb-block=\"kb-adv-heading85803_83908a-ce\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce[data-kb-block=\"kb-adv-heading85803_83908a-ce\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading85803_83908a-ce[data-kb-block=\"kb-adv-heading85803_83908a-ce\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading85803_83908a-ce summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading85803_83908a-ce\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hybrid electric vehicles (EVs) rely on two propulsion systems: an internal combustion engine and an electric motor. Most hybrid issues can be traced to the battery packs.<\/li>\n\n\n\n<li>A hybrid system malfunction means that the vehicle is unable to operate at full capacity because of electrical issues. These issues can be caused by a blown fuse, defective battery cells, and inverter problems.<\/li>\n\n\n\n<li>Symptoms of a hybrid system malfunction include poor acceleration, the vehicle running solely on fuel, poor fuel economy, and the vehicle going into limp mode. Diagnostic trouble codes (DTCs) associated with a malfunctioning hybrid system include P08A0, P0A7F, P0A92, P0AA6, and P0AC4.<\/li>\n\n\n\n<li>Take your vehicle to the nearest auto repair shop as soon as the hybrid system malfunction warning light pops up. The repair can cost anywhere between $2,000 and $8,000 because of their longer lifespan.<\/li>\n\n\n\n<li>In most cases, expert mechanics will first perform a diagnostic evaluation to identify battery-related issues. Once the problem has been identified, only then will they proceed with battery replacement.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Hybrid electric vehicles rely on two propulsion systems: an internal combustion engine and an electric motor.<\/p>\n\n\n\n<p>Most hybrid vehicles have a high-voltage <a href=\"https:\/\/www.carparts.com\/blog\/how-long-do-hybrid-batteries-last-tips-on-operation-and-replacement\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery pack\">battery pack<\/a> and a combination of electric motor and generator to assist the gasoline engine. In some designs, the electric motor can propel the vehicle without starting the internal combustion engine.<\/p>\n\n\n\n<p>As convenient as that sounds, driving a hybrid vehicle isn&rsquo;t all sunshine and rainbows because it can develop issues like a conventional vehicle.<\/p>\n\n\n\n<p>In the case of a hybrid vehicle, most issues can be traced to the battery packs, which can trigger the hybrid system malfunction warning light.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does an Illuminated Hybrid System Malfunction Warning Light Mean?<\/h2>\n\n\n\n<p>A hybrid system malfunction means that the vehicle is unable to operate at full capacity because of electrical issues.<\/p>\n\n\n\n<p>A hybrid system malfunction or check hybrid system warning light is usually found in some <a href=\"https:\/\/www.carparts.com\/toyota\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Toyota\">Toyota<\/a> and <a href=\"https:\/\/www.carparts.com\/lexus\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Lexus\">Lexus<\/a> vehicles with a hybrid powertrain.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"676\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-1024x676.jpg\" alt=\"2022 toyota highlander hybrid toyota usa newsroom\" class=\"wp-image-85808\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-1024x676.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-300x198.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-768x507.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-1536x1015.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom-150x99.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2022-toyota-highlander-hybrid-toyota-usa-newsroom.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A hybrid system malfunction or check hybrid system warning light is usually found in some Toyota and Lexus vehicles with a hybrid powertrain. Image credit: <a href=\"https:\/\/pressroom.toyota.com\/vehicle\/2022-toyota-highlander\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"Toyota USA Newsroom\">Toyota USA Newsroom<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>This warning light often comes in a yellow or red color. A yellow warning light means that the vehicle is experiencing a minor issue with the hybrid system, while a red one is indicative of a more serious problem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes the Hybrid System Warning to Pop Up?<\/h2>\n\n\n\n<p>Several electrical faults can cause the hybrid system warning to pop up, including a blown fuse, defective battery cells, inverter problems, and a worn-out or damaged 12V battery pack.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blown Fuse<\/h3>\n\n\n\n<p>Defective fuses and exposed wiring can cause a fuse to blow. A blown fuse is indicative of a short circuit, which means that an electrical component can&rsquo;t handle a strong current.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Defective Battery Cells<\/h3>\n\n\n\n<p>Each cell is a 2.1-volt battery in itself. A battery cell is made up of positive and negative plates with an insulating separator between them.<\/p>\n\n\n\n<p>Overcharging can boil the cell&rsquo;s electrolytes and overheating can warp the cell plates. A defective cell can cause the battery&rsquo;s state of charge to fluctuate, affecting a hybrid vehicle&rsquo;s performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Inverter Problems<\/h3>\n\n\n\n<p>An inverter changes direct current (DC) into alternating current (AC). Most DC-AC inverters have switching transistors that switch on at certain intervals for short pulses.<\/p>\n\n\n\n<p>In a hybrid system, an inverter cooling system is separate from the engine cooling system. The transmission&rsquo;s inverter side has its own coolant pump, switching valve, and other parts.<\/p>\n\n\n\n<p>Once the inverter fails, the hybrid system malfunction warning light can pop up on the dash accompanied by power loss. Driving with a bad inverter can also damage the battery.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Worn-Out or Damaged 12V Battery Pack<\/h3>\n\n\n\n<p>The 12-volt battery pack on a hybrid vehicle powers the electronic control unit (ECU), computer relays, headlights, audio systems, and other accessories, reducing the power that the main battery has to churn out.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<p>If the vehicle isn&rsquo;t in ready mode, the 12-volt battery disconnects the main battery from the rest of the system. This prevents the main battery from producing a high-voltage output when it&rsquo;s not needed.<\/p>\n\n\n\n<p>You&rsquo;ll notice that most of the electrical accessories won&rsquo;t work once the 12-volt battery pack fails.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mechanical Issues<\/h3>\n\n\n\n<p>Components and systems like the internal combustion engine, regenerative braking system, or transmission can also affect the overall operation of the hybrid system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Are the Symptoms of a Hybrid System Malfunction?<\/h2>\n\n\n\n<p>A vehicle experiencing a hybrid system malfunction can exhibit the following symptoms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor acceleration<\/li>\n\n\n\n<li>Running solely on fuel<\/li>\n\n\n\n<li>Poor fuel economy<\/li>\n\n\n\n<li>Going into limp mode<\/li>\n\n\n\n<li>Illuminated check engine light and hybrid malfunction light<\/li>\n\n\n\n<li>Loss of power in hybrid mode<\/li>\n\n\n\n<li>Frequent charging<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Diagnostic Trouble Codes Associated with a Malfunctioning Hybrid System<\/h2>\n\n\n\n<p>An illuminated hybrid system malfunction warning light won&rsquo;t necessarily tell you what the problem is.<\/p>\n\n\n\n<p>Fortunately, the vehicle computer is capable of communicating by storing diagnostic trouble codes (DTCs), informing the driver of what component is causing the problem.<\/p>\n\n\n\n<p>Here are some of the most common DTCs your vehicle could store once the hybrid system malfunction warning light pops up.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P08A0 &ndash; Replace Hybrid Battery Pack<\/li>\n\n\n\n<li>P0A7F &ndash; Hybrid Battery Pack Deterioration<\/li>\n\n\n\n<li>P0A92 &ndash; Hybrid Generator Performance<\/li>\n\n\n\n<li>P0AA6 &ndash; Hybrid Battery Voltage System Isolation Fault<\/li>\n\n\n\n<li>P0AC4 &ndash; Hybrid\/EV Powertrain Control Module Requested MIL Illumination<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Hybrid System Diagnosis and Battery Replacement<\/h2>\n\n\n\n<p>In most cases, expert mechanics will first perform a diagnostic evaluation to identify battery-related issues. Once the problem has been identified, only then will they proceed with battery replacement.<\/p>\n\n\n\n<p>Mechanics will either install a new or remanufactured hybrid battery to restore the appropriate functions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Preventive Tips for Your Hybrid Vehicle<\/h2>\n\n\n\n<p>Seeing the hybrid system malfunction warning light can be terrifying and a hassle to deal with. Fortunately, there are some things you can do to prevent this from happening again.<\/p>\n\n\n\n<p>Following manufacturer guidelines is arguably one of the most important tips you can follow. Automakers won&rsquo;t let you put your vehicle&rsquo;s condition in jeopardy, so it&rsquo;s always a good idea to stick to their guidelines.<\/p>\n\n\n\n<p>It&rsquo;s also important to stick to your list of maintenance tasks, such as checking the wiring, connectors, and other hybrid components. Exerting extra effort in checking your vehicle can ensure that you don&rsquo;t miss anything that can affect its functions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hybrid Vehicle FAQs<\/h2>\n\n\n\n<p>Below are some frequently asked questions about hybrid vehicles and system malfunctions.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-1024x682.jpg\" alt=\"2021 lexus es hybrid lexus newsroom\" class=\"wp-image-85809\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/2021-lexus-es-hybrid-lexus-newsroom.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Most hybrid batteries can last up to 100,000 miles, according to several manufacturers. Image credit: <a href=\"https:\/\/pressroom.lexus.com\/vehicle\/2021-lexus-es-hybrid\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"Lexus Newsroom\">Lexus Newsroom<\/a>.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Can You Drive Your Vehicle With a Hybrid System Malfunction?<\/h3>\n\n\n\n<p>It&rsquo;s best to take your vehicle to the nearest auto repair shop as soon as the hybrid system malfunction warning light pops up.<\/p>\n\n\n\n<p>Depending on the severity of the code, there&rsquo;s a possibility that you won&rsquo;t be able to drive your vehicle.<\/p>\n\n\n\n<p>Driving your vehicle while the warning light is on display can result in more damage and a more expensive repair bill if left unaddressed.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Depending on the severity of the code, there&rsquo;s a possibility that you won&rsquo;t be able to drive your vehicle.<\/p>\n<cite><em>&ndash;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/anthonyharlin\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Anthony Harlin, ASE Certified Master Automobile Technician\">Anthony Harlin, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">How Much Will a Hybrid Battery Replacement Cost?<\/h3>\n\n\n\n<p>You can expect to pay anywhere between $2,000 and $8,000 to replace a damaged or worn-out hybrid battery pack.<\/p>\n\n\n\n<p>In some cases, drivers don&rsquo;t really have to worry about buying a replacement battery because they would&rsquo;ve sold their vehicles before the battery reaches the end of its service life.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can You Repair a Damaged Hybrid System at Home?<\/h3>\n\n\n\n<p>Repairing a malfunctioning hybrid system isn&rsquo;t a DIY-friendly task. Hybrid systems have high-voltage components that can electrocute someone who doesn&rsquo;t know how to work their way around such vehicles. In most cases, anything in high voltage is wrapped in orange, so take note of that distinction before proceeding with the repairs.<\/p>\n\n\n\n<p>If you&rsquo;re not an expert on <a href=\"https:\/\/www.carparts.com\/blog\/7-maintenance-tips-to-keep-your-hybrid-or-ev-running-right\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"hybrid vehicle repair\">hybrid vehicle repair<\/a>, it&rsquo;s best to have a trained professional do the job for you. This will ensure that all steps and protocols for diagnosis and repair are followed correctly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Long Do Hybrid Batteries Last?<\/h3>\n\n\n\n<p>Most hybrid batteries can last up to 100,000 miles, according to several manufacturers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Are Hybrid Batteries So Expensive?<\/h3>\n\n\n\n<p>Hybrid batteries are more expensive than traditional automotive batteries mainly because they have a longer lifespan than their counterpart.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key Takeaways<\/h2>\n\n\n\n<p>An illuminated hybrid system malfunction warning light usually points to electrical faults in components like the inverter, battery cells, 12V battery pack, or fuse.<\/p>\n\n\n\n<p>Once the computer detects a fault in the system, you can expect to see a drop in acceleration output and fuel economy.<\/p>\n\n\n\n<p>Make sure to have a professional mechanic take a look at your vehicle before going out for a drive. It&rsquo;s also not advisable to work on hybrid vehicles on your own if you&rsquo;re not trained in repairing such systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Hybrid Drive Battery<\/h2>\n\n\n\n<p>Your hybrid car might run smoothly now, but it&rsquo;s only a matter of time before your damaged battery changes that. Driving around with a faulty hybrid battery pack affects your car&rsquo;s acceleration and performance. In some cases, it might even prevent your car from starting. For your own safety, avoid driving until you can replace your defective battery with a new one. Luckily, getting a brand-new hybrid drive battery is fast and easy with CarParts.com.<\/p>\n\n\n\n<p>CarParts.com offers a wide selection of hybrid drive batteries, sourced from only the most trusted manufacturers in the industry. Enjoy a hassle-free experience, thanks to our convenient and secure checkout. Be sure to use our vehicle selector and search filters, so you can easily browse through our catalog. If you need any help, don&rsquo;t hesitate to reach out to our customer service team, who are always available to help you.<\/p>\n\n\n\n<p>Don&rsquo;t wait until your hybrid drive battery completely breaks before replacing it. Check out our catalog of high-quality <a href=\"https:\/\/www.carparts.com\/hybrid-drive-battery\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"hybrid drive batteries\">hybrid drive batteries<\/a> at CarParts.com and buy one today!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Hybrid electric vehicles rely on two propulsion systems: an internal combustion engine and an electric motor. Most hybrid vehicles have&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/hybrid-system-malfunction-meaning-causes-and-other-faqs\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":85807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[3771,53],"tags":[3166,452,76],"ppma_author":[2607,3742],"class_list":{"0":"post-85803","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-evs-and-hybrids","8":"category-features","9":"tag-hybrid-drive-battery","10":"tag-lexus","11":"tag-toyota","12":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hybrid System Malfunction: Meaning, Causes, and Other FAQs - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did a hybrid system warning or red exclamation point pop up on your dashboard? 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