{"id":80232,"date":"2025-05-20T15:35:11","date_gmt":"2025-05-20T20:35:11","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80232"},"modified":"2025-06-04T05:13:58","modified_gmt":"2025-06-04T10:13:58","slug":"p2797-obd2-auxiliary-transmission-fluid-pump-performance","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2797-obd2-auxiliary-transmission-fluid-pump-performance","title":{"rendered":"P2797 OBD2: AUXILIARY Transmission Fluid Pump Performance"},"content":{"rendered":"<p>The OBD-II code P2797 refers to an issue with the Auxiliary Transmission Fluid Pump Performance. This code is triggered when the vehicle&#8217;s onboard diagnostic system detects that the auxiliary transmission fluid pump is not functioning as intended.<\/p>\n<h2>What Does the P2797 Code Mean?<\/h2>\n<p>OBD-II Code P2797 is defined as an issue with the Auxiliary Transmission Fluid Pump Performance. The code indicates that the Drive Motor Generator Power Inverter Control Module, which controls the auxiliary transmission fluid pump, has detected that the pump is not capable of producing the hydraulic pressure required for proper transmission operation.<\/p>\n<h2>What Causes the P2797 Code?<\/h2>\n<p>Several factors can trigger the P2797 code, including:<\/p>\n<ul>\n<li>Auxiliary transmission pump failure<\/li>\n<li>Drive motor generator power inverter control module failure<\/li>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Wiring issues related to the pump or control modules<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2797 Code?<\/h2>\n<p>Common symptoms associated with the P2797 code may include:<\/p>\n<ul>\n<li>Slipping gears or difficulty shifting<\/li>\n<li>Check Engine Light illuminated<\/li>\n<li>Transmission overheating<\/li>\n<li>Unusual noises from the transmission<\/li>\n<\/ul>\n<h2>How Serious Is the P2797 Code?<\/h2>\n<p>The severity of the P2797 code is considered moderate. While it may not pose an immediate threat to the vehicle&#8217;s safety or functionality, it is essential to address the issue promptly to prevent further transmission problems or failures.<\/p>\n<h2>How to Diagnose the P2797 Code<\/h2>\n<p>Diagnosing the P2797 code involves:<\/p>\n<ol>\n<li>Using an OBD-II scanner to confirm the code and check for any additional codes.<\/li>\n<li>Inspecting the auxiliary transmission fluid pump and associated wiring for damage or wear.<\/li>\n<li>Testing the Drive Motor Generator Power Inverter Control Module and Transmission Control Module.<\/li>\n<li>Verifying hydraulic pressure output from the pump.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2797 Code<\/h2>\n<p>Common repairs may include:<\/p>\n<ul>\n<li>Replacing the auxiliary transmission fluid pump<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Reprogramming or replacing the Drive Motor Generator Power Inverter Control Module<\/li>\n<li>Addressing issues with the Transmission Control Module<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2797 Code?<\/h2>\n<p>The cost to fix the P2797 code can vary widely based on the make and model of the vehicle, the labor rates in your area, and the specific repairs needed. Generally, repairs may range from $200 to $1,500, depending on whether parts need to be replaced or if only wiring repairs are necessary.<\/p>\n<h2>Can I Fix the P2797 Code Myself?<\/h2>\n<p>While some basic diagnosis and repairs may be manageable for a DIY mechanic, it is recommended to consult a professional for a thorough diagnosis and repair. This is especially important if the problem involves the auxiliary transmission pump or control modules, as these components are critical for safe vehicle operation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OBD-II code P2797 refers to an issue with the Auxiliary Transmission Fluid Pump Performance. This code is triggered when the vehicle&#8217;s onboard diagnostic system detects that the auxiliary transmission fluid pump is not functioning as intended. What Does the P2797 Code Mean? OBD-II Code P2797 is defined as an issue with the Auxiliary Transmission &hellip;<\/p>\n","protected":false},"author":26,"featured_media":81850,"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-80232","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 P2797 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2797 code, what causes auxiliary transmission fluid pump performance 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\/p2797-obd2-auxiliary-transmission-fluid-pump-performance\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2797 OBD2: AUXILIARY Transmission Fluid Pump Performance\" \/>\n<meta property=\"og:description\" content=\"The OBD-II code P2797 refers to an issue with the Auxiliary Transmission Fluid Pump Performance. This code is triggered when the vehicle&#039;s onboard\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2797-obd2-auxiliary-transmission-fluid-pump-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:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-20T20:35:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:13:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance.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\/p2797-obd2-auxiliary-transmission-fluid-pump-performance#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2797-obd2-auxiliary-transmission-fluid-pump-performance\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2797 OBD2: AUXILIARY Transmission Fluid Pump Performance\",\"datePublished\":\"2025-05-20T20:35:11+00:00\",\"dateModified\":\"2025-06-04T10:13:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2797-obd2-auxiliary-transmission-fluid-pump-performance\"},\"wordCount\":435,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2797-obd2-auxiliary-transmission-fluid-pump-performance#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance.png\",\"articleSection\":[\"P Codes - 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He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","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\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2797-obd2-auxiliary-transmission-fluid-pump-performance-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 OBD-II code P2797 refers to an issue with the Auxiliary Transmission Fluid Pump Performance. This code is triggered when the vehicle&#8217;s onboard diagnostic system detects that the auxiliary transmission fluid pump is not functioning as intended. What Does the P2797 Code Mean? OBD-II Code P2797 is defined as an issue with the Auxiliary Transmission&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80232","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=80232"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80232\/revisions"}],"predecessor-version":[{"id":81852,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80232\/revisions\/81852"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/81850"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}