{"id":518362,"date":"2025-12-10T18:19:13","date_gmt":"2025-12-10T23:19:13","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/"},"modified":"2025-12-10T18:19:13","modified_gmt":"2025-12-10T23:19:13","slug":"dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/","title":{"rendered":"P2379 Code Symptoms, Causes, Diagnosis &#038; Complete Repair Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">P2379<\/div>\n<h1>P2379 Code Symptoms, Causes, Diagnosis &amp; Complete Repair Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>P2379 = O\u2082 sensor out\u2011of\u2011range during deceleration, Bank 2 Sensor 2 (down\u2011stream). <\/li>\n<li>Typical driver notices: check\u2011engine light, rough idle, hesitation on lift\u2011off, lean\/rich fuel\u2011trim fluctuations, and a drop in fuel economy. <\/li>\n<li>Primary culprits: ECM\/PCM processing errors, wiring\/connectors, or sensor signal anomalies that the control module cannot reconcile. <\/li>\n<li>Diagnosis: scan for P2379, view live O\u2082 voltage during deceleration, verify wiring integrity, and test ECM communication. <\/li>\n<li>Replacement vs. repair: module re\u2011programming or VIN\u2011matched replacement often resolves persistent communication faults; Flagship One provides ready\u2011to\u2011install, programmed units. <\/li>\n<\/ul>\n<\/div>\n<p>When the check\u2011engine light illuminates and the engine feels rough as you let off the accelerator, the fault is frequently linked to the downstream oxygen sensor on the second bank of cylinders. The P2379 code indicates that the sensor\u2019s voltage is outside the calibrated range while the engine is decelerating. Because the ECM relies on accurate O\u2082 data to adjust fuel trim, any out\u2011of\u2011range reading can produce the drivability issues drivers notice most often.<\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>Check\u2011engine light (CEL) illuminated<\/strong> \u2013 the PCM stores P2379 and may also set related fuel\u2011trim codes. <\/li>\n<li><strong>Rough or uneven idle<\/strong> \u2013 especially when the throttle is released; the engine may stumble or shake. <\/li>\n<li><strong>Hesitation or \u201csurge\u201d on lift\u2011off<\/strong> \u2013 a momentary loss of power as the PCM tries to correct an unexpected lean or rich condition. <\/li>\n<li><strong>Fluctuating short\u2011term fuel trim<\/strong> \u2013 live data often shows rapid swings between +10 % and \u201310 % during deceleration. <\/li>\n<li><strong>Reduced fuel economy<\/strong> \u2013 the PCM may over\u2011compensate, leading to richer mixtures and higher consumption. <\/li>\n<\/ul>\n<p>While a faulty downstream O\u2082 sensor could generate these signs, the underlying problem often lies in how the control module receives, interprets, or stores that sensor data.<\/p>\n<h2>Why O\u2082 Sensor Data Problems Occur <\/h2>\n<h3>ECM\/PCM Processing Error <\/h3>\n<p>The PCM continuously compares the voltage from Bank 2 Sensor 2 with expected thresholds during deceleration. Corrupted software, memory glitches, or internal circuitry faults can cause the module to misinterpret a perfectly normal sensor voltage as out\u2011of\u2011range. When this happens, the PCM logs P2379 even though the sensor itself is functional.<\/p>\n<h3>Wiring or Connector Fault <\/h3>\n<p>High\u2011frequency voltage changes during deceleration travel through the sensor harness. Corroded pins, cracked insulation, or loose grounds can introduce resistance spikes that shift the sensor voltage outside the calibrated window. The PCM then records the fault because the signal no longer matches the expected decay curve.<\/p>\n<h3>Calibration or Software Mismatch <\/h3>\n<p>After major power\u2011train updates (e.g., emissions\u2011related software revisions), the PCM\u2019s calibration tables for downstream O\u2082 sensors may be out\u2011of\u2011date. An older map may expect a different voltage slope, causing the same sensor reading to trigger P2379.<\/p>\n<h3>Exhaust Leaks Upstream of the Downstream Sensor <\/h3>\n<p>A leak between the catalyst and Bank 2 Sensor 2 can allow extra oxygen to enter the exhaust, altering the sensor\u2019s voltage during deceleration. The PCM interprets the altered signal as out\u2011of\u2011range, even though the sensor itself is operating correctly.<\/p>\n<h3>Sensor Signal Anomalies Not Related to Hardware <\/h3>\n<p>Contamination of the sensor tip (e.g., oil or coolant) can create erratic voltage spikes. While this is technically a sensor issue, the PCM\u2019s inability to filter the noise often points to a communication\u2011module problem rather than a simple replacement.<\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Retrieve and clear codes<\/strong> \u2013 Use a professional OBD\u2011II scanner to read P2379 and any accompanying fuel\u2011trim codes. Clear the codes and perform a road test to confirm recurrence.\n<\/li>\n<li><strong>Live data review<\/strong> \u2013 Monitor Bank 2 Sensor 2 voltage while the engine is at idle, then gently decelerates (foot off the accelerator). Expected voltage should drop smoothly from ~0.8 V to ~0.1 V. Any abrupt jumps or plateaus indicate a signal problem.\n<\/li>\n<li><strong>Wiring integrity test<\/strong> \u2013 Inspect the harness for corrosion, frayed wires, or damaged connectors. Perform a resistance check (typically &lt;1 \u03a9) and a continuity test on the sensor ground. Replace or repair any compromised sections.\n<\/li>\n<li><strong>PCM communication check<\/strong> \u2013 Run a module communication test from the scanner. Verify that the PCM responds to request packets and that no CAN\u2011bus errors are present. Intermittent communication failures often point to a faulty PCM.\n<\/li>\n<li><strong>Software version verification<\/strong> \u2013 Compare the PCM\u2019s software revision against the manufacturer\u2019s latest emissions calibration. If the PCM is running an outdated version, reflash the module with the current software.\n<\/li>\n<li><strong>Exhaust inspection<\/strong> \u2013 Look for cracks or loose joints upstream of the downstream sensor. Repair any leaks, then retest the sensor voltage during deceleration.\n<\/li>\n<li><strong>Module repair vs. replacement decision<\/strong> \u2013 If the PCM fails the communication test, exhibits memory corruption, or cannot be reflashed successfully, proceed to module replacement.\n<\/li>\n<\/ol>\n<p><strong>Typical costs<\/strong> <\/p>\n<ul>\n<li>PCM re\u2011programming: $200\u2011$300 labor, plus any software license fees. <\/li>\n<li>PCM repair (board\u2011level): $400\u2011$600, but reliability is limited if internal damage is extensive. <\/li>\n<li>PCM replacement (including VIN\u2011matched programming): $600\u2011$900 for the unit, $200\u2011$300 labor. <\/li>\n<\/ul>\n<h2>When Replacement Makes Sense <\/h2>\n<div class=\"flagship-logo-section\">\n<a href=\"https:\/\/www.fs1inc.com\/\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<img decoding=\"async\" alt=\"Flagship One\" class=\"flagship-logo\" src=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\"\/><br \/>\n<\/a>\n<\/div>\n<p>When the PCM repeatedly fails communication checks, cannot retain a reflashed calibration, or shows evidence of internal component degradation, replacement becomes the most reliable path. Repair attempts may restore function temporarily, but the risk of recurrence remains high because the underlying circuitry is compromised.<\/p>\n<p>Modern control modules are complex and integrated with security and immobilizer systems. That&#8217;s why choosing a replacement isn&#8217;t only about the hardware\u2014it&#8217;s about correct programming and compatibility. <strong>Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty. Each unit is pre\u2011programmed to the exact software version required for your vehicle, eliminating dealer\u2011only re\u2011programming delays and ensuring seamless integration with the vehicle\u2019s network.<\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Inspect sensor harnesses<\/strong> during routine under\u2011hood checks; clean corrosion and secure loose connectors. <\/li>\n<li><strong>Use high\u2011quality coolant and oil<\/strong> to prevent leaks that could contaminate exhaust components. <\/li>\n<li><strong>Schedule periodic software updates<\/strong> at a dealership or qualified shop; manufacturers release emissions\u2011related calibrations that keep PCM thresholds current. <\/li>\n<li><strong>Monitor exhaust system health<\/strong>; replace cracked manifolds or gaskets before they affect downstream sensor readings. <\/li>\n<li><strong>Run a full OBD scan<\/strong> at least once a year, even if the CEL is not illuminated, to catch early communication anomalies.<\/li>\n<\/ul>\n<div class=\"info-section\">\n<p><strong>Service Recommendation:<\/strong> Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Check engine light and poor fuel trim on your vehicle? P2379 means O2 sensor out of range during deceleration (Bank 2 Sensor 2) \u2013 fix sensor data now to&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-518362","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2379 Code Symptoms, Causes, Diagnosis &amp; Complete Repair Guide - Flagship One Blog<\/title>\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.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2379 Code Symptoms, Causes, Diagnosis &amp; Complete Repair Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Check engine light and poor fuel trim on your vehicle? P2379 means O2 sensor out of range during deceleration (Bank 2 Sensor 2) \u2013 fix sensor data now to...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-10T23:19:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P2379 Code Symptoms, Causes, Diagnosis &#038; Complete Repair Guide\",\"datePublished\":\"2025-12-10T23:19:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/\"},\"wordCount\":1074,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/\",\"name\":\"P2379 Code Symptoms, Causes, Diagnosis & Complete Repair Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-10T23:19:13+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"width\":2560,\"height\":617},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2379 Code Symptoms, Causes, Diagnosis &#038; Complete Repair Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers  Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P2379 Code Symptoms, Causes, Diagnosis & Complete Repair Guide - Flagship One Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/","og_locale":"en_US","og_type":"article","og_title":"P2379 Code Symptoms, Causes, Diagnosis & Complete Repair Guide - Flagship One Blog","og_description":"Check engine light and poor fuel trim on your vehicle? P2379 means O2 sensor out of range during deceleration (Bank 2 Sensor 2) \u2013 fix sensor data now to...","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T23:19:13+00:00","og_image":[{"url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","type":"","width":"","height":""}],"author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P2379 Code Symptoms, Causes, Diagnosis &#038; Complete Repair Guide","datePublished":"2025-12-10T23:19:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/"},"wordCount":1074,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/","name":"P2379 Code Symptoms, Causes, Diagnosis & Complete Repair Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-10T23:19:13+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#primaryimage","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","width":2560,"height":617},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2379-o2-sensor-out-range-during-deceleration-bank-2-sensor-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2379 Code Symptoms, Causes, Diagnosis &#038; Complete Repair Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers  Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=518362"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518362\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}