{"id":75890,"date":"2022-10-16T16:11:01","date_gmt":"2022-10-16T23:11:01","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=75890"},"modified":"2023-09-04T18:56:30","modified_gmt":"2023-09-05T01:56:30","slug":"p2601-code-coolant-pump-a-control-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2601-code-coolant-pump-a-control-circuit-range-performance\/","title":{"rendered":"P2601 Code: Coolant Pump \u201cA\u201d Control Circuit Range\/Performance"},"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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_c17681-d9 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_c17681-d9 > .kt-inside-inner-col,.kadence-column_c17681-d9 > .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-column_c17681-d9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_c17681-d9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_c17681-d9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_c17681-d9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_c17681-d9{position:relative;}@media all and (max-width: 1024px){.kadence-column_c17681-d9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_c17681-d9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_c17681-d9 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-334c4c  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-1e9b9d\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_4d10d1-5f, .wp-block-kadence-advancedheading.kt-adv-heading_4d10d1-5f[data-kb-block=\"kb-adv-heading_4d10d1-5f\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_4d10d1-5f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_4d10d1-5f[data-kb-block=\"kb-adv-heading_4d10d1-5f\"] 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-heading_4d10d1-5f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_4d10d1-5f[data-kb-block=\"kb-adv-heading_4d10d1-5f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_4d10d1-5f summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_4d10d1-5f\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>DTC P2601 stands for &ldquo;Coolant Pump &lsquo;A&rsquo; Control Circuit Range\/Performance,&rdquo; and it&rsquo;s logged when the PCM detects a problem with the water pump.<\/li><li>Water pump failure, wiring issues, and faulty water pump relays could trigger this trouble code.<\/li><li>The most common symptoms of P2601 include a lit check engine light, a malfunctioning heater system, and an overheating engine.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The cooling system has a coolant or water pump that helps remove excess heat from the engine. On some vehicles, the water pump is electric. The <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) operates the electric water pump using various signals. If it detects a problem with the water pump, on-board diagnostics (OBD) will log a P2601 trouble code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2601 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P2601 stands for &ldquo;Coolant Pump &lsquo;A&rsquo; Control Circuit Range\/Performance.&rdquo;<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/water-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"water pump\">water pump<\/a> is responsible for circulating the coolant through passages in water jackets, which can be found in the cylinder block and <a href=\"https:\/\/www.carparts.com\/cylinder-head\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"head\">head<\/a>. As coolant picks up the heat from the engine, it flows through the <a href=\"https:\/\/www.carparts.com\/radiator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"radiator\">radiator<\/a> to cool down. The heat is released into the atmosphere.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-1024x683.jpg\" alt=\"car water pump in white background\" class=\"wp-image-75892\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-water-pump-in-white-background-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The water pump is responsible for circulating the coolant through passages in water jackets, which can be found in the cylinder block and head.<\/figcaption><\/figure>\n\n\n\n<p>On some vehicles, this code might apply to an <a href=\"https:\/\/www.carparts.com\/auxiliary-water-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"auxiliary water pump\">auxiliary water pump<\/a> instead of the primary engine water pump. For example, on the <a href=\"https:\/\/carparts.com\/toyota\/prius\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"Toyota Prius\">Toyota Prius<\/a>, the code can apply to the coolant heat storage water pump.<\/p>\n\n\n\n<p>The PCM operates the water pump using signals from other parts of the cooling system to determine how long the pump needs to work.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of <\/em><em>code P2601<\/em><em> might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P2601 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/signs-of-a-bad-water-pump\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Water pump failure\">Water pump failure<\/a><\/li><li>Faulty water pump relay<\/li><li>Wiring issues<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Powertrain control module failure\">Powertrain control module failure<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2601 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><li>Malfunctioning heater system<\/li><li>Overheating engine<\/li><\/ul>\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<h2 class=\"wp-block-heading\">How to Diagnose the P2601 Code<\/h2>\n\n\n\n<p>DTC P2601 is a generic powertrain code that can be logged in vehicles with an OBD-II system. While this might be the case, keep in mind that the steps for diagnosis can vary, depending on vehicle specifications. Diagnosing trouble codes like this one might require you to use a scan tool and conduct visual inspections on certain parts of the cooling system.<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with this process, you can always have a trusted mechanic diagnose your vehicle for you. But if you think you can do it on your own, then you can go ahead and do it yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2601 Code<\/h2>\n\n\n\n<p>Without the right tools and technical know-how, attempting to fix a P2601 trouble code can be tricky. If done incorrectly, it can even lead to further complications and heftier repair costs. So if you&rsquo;re not confident with your DIY skills yet, it&rsquo;s best to have a certified mechanic perform the necessary repairs on your vehicle instead.<\/p>\n\n\n\n<p>But if you&rsquo;ve had some experience in dealing with trouble codes like this one, then you already know that there&rsquo;s no universal fix for the code. So before you begin, you might want to check out guides like those from Chilton or an ALLDATA subscription to get vehicle-specific repair information.<\/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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The cooling system has a coolant or water pump that helps remove excess heat from the engine. On some vehicles,&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2601-code-coolant-pump-a-control-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":75891,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":[1314],"tags":[3595,1323,1188],"ppma_author":[2607,2855],"class_list":{"0":"post-75890","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-auxiliary-water-pump","9":"tag-engine-control-module-2","10":"tag-water-pump-2","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2601 Code: Coolant Pump \u201cA\u201d Control Circuit Range\/Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn the meaning behind a P2601 code, its symptoms, and the most common causes that can trigger it.\" \/>\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.carparts.com\/blog\/p2601-code-coolant-pump-a-control-circuit-range-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2601 Code: Coolant Pump \u201cA\u201d Control Circuit Range\/Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn the meaning behind a P2601 code, its symptoms, and the most common causes that can trigger it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2601-code-coolant-pump-a-control-circuit-range-performance\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-16T23:11:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-05T01:56:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/p2601-triggered-by-faulty-car-water-pump-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1365\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2601-code-coolant-pump-a-control-circuit-range-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2601-code-coolant-pump-a-control-circuit-range-performance\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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