{"id":79596,"date":"2025-06-09T14:25:13","date_gmt":"2025-06-09T19:25:13","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79596"},"modified":"2025-09-15T22:16:03","modified_gmt":"2025-09-16T03:16:03","slug":"p2244-obd2-o2-sensor-reference-voltage-performance","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2244-obd2-o2-sensor-reference-voltage-performance","title":{"rendered":"P2244 OBD2: O2 Sensor Reference Voltage Performance (Bank 1 Sensor 1)"},"content":{"rendered":"<p>The P2244 OBD-II code is associated with the oxygen sensor&#8217;s reference voltage performance. This code indicates that the Powertrain Control Module (PCM) has detected an issue with the reference voltage from the oxygen sensor, which is critical for maintaining efficient fuel economy.<\/p>\n<h2>What Does the P2244 Code Mean?<\/h2>\n<p>When the PCM identifies a failure in the oxygen sensor or receives incorrect information from it, it sets the P2244 code. The oxygen sensor plays a crucial role in measuring the oxygen content in the exhaust gases after combustion. This information is vital for the PCM to optimize fuel delivery and ensure efficient engine performance.<\/p>\n<h2>What Causes the P2244 Code?<\/h2>\n<p>Several factors can trigger the P2244 code, including:<\/p>\n<ul>\n<li>Exhaust leaks<\/li>\n<li>Oxygen sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues related to the oxygen sensor<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2244 Code?<\/h2>\n<p>Drivers may notice the following symptoms when the P2244 code is present:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P2244 Code?<\/h2>\n<p>The P2244 code is considered to have moderate severity. While it may not pose an immediate threat to vehicle safety or functionality, it is important to address the issue promptly. Ignoring the code could lead to more serious problems down the line, affecting engine performance and fuel efficiency.<\/p>\n<h2>How to Diagnose the P2244 Code<\/h2>\n<p>To diagnose the P2244 code effectively, a certified mechanic will typically follow these steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P2244 code.<\/li>\n<li>Inspect the oxygen sensor wiring and connectors for damage or corrosion.<\/li>\n<li>Check for any exhaust leaks that could affect sensor readings.<\/li>\n<li>Test the oxygen sensor to determine if it is functioning correctly.<\/li>\n<li>Evaluate the PCM for any faults or issues.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2244 Code<\/h2>\n<p>Common repairs needed to resolve the P2244 code may include:<\/p>\n<ul>\n<li>Oxygen sensor replacement<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Fixing any exhaust leaks<\/li>\n<li>Replacing the Powertrain Control Module (if necessary)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2244 Code?<\/h2>\n<p>The cost to repair the P2244 code can vary widely depending on the specific issue and the make and model of the vehicle. On average, repairs may range from $100 to $500, primarily depending on whether an oxygen sensor replacement is needed or if there are other underlying issues.<\/p>\n<h2>Can I Fix the P2244 Code Myself?<\/h2>\n<p>While some skilled DIYers may be able to address the P2244 code by replacing the oxygen sensor or repairing wiring issues, it is recommended to consult a professional mechanic for a thorough diagnosis and repair. This ensures that all potential causes are addressed effectively, helping to maintain optimal engine performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2244 OBD-II code is associated with the oxygen sensor&#8217;s reference voltage performance. This code indicates that the Powertrain Control Module (PCM) has detected an issue with the reference voltage from the oxygen sensor, which is critical for maintaining efficient fuel economy. What Does the P2244 Code Mean? When the PCM identifies a failure in &hellip;<\/p>\n","protected":false},"author":26,"featured_media":88352,"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-79596","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 P2244 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2244 code, what causes O2 sensor reference voltage performance issues, and how to diagnose and fix common issues to maintain optimal engine 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\/p2244-obd2-o2-sensor-reference-voltage-performance\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2244 OBD2: O2 Sensor Reference Voltage Performance (Bank 1 Sensor 1)\" \/>\n<meta property=\"og:description\" content=\"The P2244 OBD-II code is associated with the oxygen sensor&#039;s reference voltage performance. This code indicates that the Powertrain Control Module (PCM)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2244-obd2-o2-sensor-reference-voltage-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=\"2025-06-09T19:25:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-16T03:16:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-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\" 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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\/06\/p2244-obd2-o2-sensor-reference-voltage-performance.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-performance-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2244-obd2-o2-sensor-reference-voltage-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 P2244 OBD-II code is associated with the oxygen sensor&#8217;s reference voltage performance. This code indicates that the Powertrain Control Module (PCM) has detected an issue with the reference voltage from the oxygen sensor, which is critical for maintaining efficient fuel economy. What Does the P2244 Code Mean? When the PCM identifies a failure in&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79596","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=79596"}],"version-history":[{"count":2,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79596\/revisions"}],"predecessor-version":[{"id":96521,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79596\/revisions\/96521"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/88352"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}