{"id":518472,"date":"2025-12-10T20:05:11","date_gmt":"2025-12-11T01:05:11","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/"},"modified":"2025-12-10T20:05:11","modified_gmt":"2025-12-11T01:05:11","slug":"dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/","title":{"rendered":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview"},"content":{"rendered":"
\n
\n
P2489<\/div>\n

P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview<\/h1>\n

\n<\/section>\n

\n

Quick Summary<\/h2>\n
    \n
  • P2489 signals an intermittent or erratic Bank 2 Sensor 5 exhaust\u2011gas\u2011temperature (EGT) circuit. <\/li>\n
  • Drivers typically see a check\u2011engine light, reduced power, or limp\u2011mode activation. <\/li>\n
  • The most common origins are wiring\/connectors, sensor signal loss, or ECU\/PCM communication faults. <\/li>\n
  • A full scan, live\u2011data review, and wiring integrity test are the first steps; module re\u2011programming or replacement may be required. <\/li>\n
  • Replacement ECU\/PCM units cost $600\u2011$900 plus $200\u2011$300 labor; Flagship One provides VIN\u2011matched, pre\u2011programmed modules with warranty coverage. <\/li>\n<\/ul>\n<\/div>\n

    P2489 Code: Symptoms, Causes, and How to Repair It <\/h3>\n

    When the exhaust\u2011gas\u2011temperature sensor on Bank 2, Sensor 5 begins sending erratic signals, the engine control module (ECM\/PCM) interprets the data as a possible over\u2011temperature condition. The protective logic then limits engine output to avoid damage. Drivers usually notice a illuminated malfunction indicator lamp (MIL) accompanied by a loss of power, especially under load, or the vehicle may enter a limp\u2011mode state that restricts RPM and throttle response. In some cases the PCM will also store a secondary code indicating \u201cengine over\u2011temperature\u201d even though the coolant temperature appears normal. These symptoms appear suddenly and may fluctuate as the sensor signal varies, which is why the code is flagged as \u201cintermittent\/erratic.\u201d <\/p>\n

    Symptoms <\/h4>\n
      \n
    • Check\u2011engine light (MIL) solid or flashing. <\/li>\n
    • Noticeable drop in horsepower or torque, especially when climbing hills or accelerating hard. <\/li>\n
    • Limp\u2011mode or reduced RPM limit (often a \u201cgoverned\u201d feel). <\/li>\n
    • Occasional \u201cengine over\u2011temperature\u201d warning despite normal coolant temperature. <\/li>\n
    • In rare cases, a brief loss of boost on turbocharged engines when the PCM protects against perceived overheating. <\/li>\n<\/ul>\n

      Why Exhaust Gas Temperature Sensor Problems Occur <\/h4>\n

      Intermittent sensor signal<\/strong> \u2013 The sensor\u2019s internal thermocouple or resistance element can degrade, producing voltage spikes or drop\u2011outs that the PCM reads as erratic. <\/p>\n

      Wiring harness or connector corrosion<\/strong> \u2013 Heat, moisture, and vibration can loosen pins or cause corrosion in the sensor\u2019s harness, creating intermittent electrical contact. <\/p>\n

      ECU\/PCM communication fault<\/strong> \u2013 The control module\u2019s input stage for Bank 2 Sensor 5 may develop a cracked trace or failed driver circuit, resulting in spurious readings even if the sensor and wiring are sound. <\/p>\n

      Environmental contamination<\/strong> \u2013 Exhaust soot, oil, or coolant leaks can coat the sensor element, intermittently insulating it and causing fluctuating voltage. <\/p>\n

      Software calibration or flash issues<\/strong> \u2013 An outdated or corrupted PCM map may misinterpret normal sensor voltage ranges, flagging intermittent behavior when the hardware is healthy. <\/p>\n

      Diagnostic and Repair Procedures <\/h4>\n
        \n
      1. Retrieve codes and freeze\u2011frame data<\/strong> \u2013 Use a dealer\u2011level or high\u2011end scan tool to read P2489 and any related codes (e.g., P2263, P2264). Record the engine speed, load, and temperature at the moment the code set.\n<\/li>\n
      2. Live\u2011data monitoring<\/strong> \u2013 Observe Bank 2 Sensor 5 voltage or resistance while the engine cycles through idle, acceleration, and deceleration. Look for sudden spikes, drops, or values that wander outside the manufacturer\u2011specified range (typically 0.2\u20131.0 V for a thermocouple).\n<\/li>\n
      3. Wiring and connector inspection<\/strong> \u2013 Visually examine the harness from the sensor to the PCM for chafing, heat damage, or corrosion. Use a multimeter to check continuity and resistance between the sensor connector pins and the PCM pins (usually 0 \u03a9 for continuity, no open circuits).\n<\/li>\n
      4. Sensor voltage test<\/strong> \u2013 With the engine off, disconnect the sensor and measure the resistance across its terminals. Compare to the service specification (often 0.5\u20132 k\u03a9). Replace the sensor only if it fails this test; otherwise, proceed to module evaluation.\n<\/li>\n
      5. ECM\/PCM input circuit check<\/strong> \u2013 Some scan tools can command a \u201cmodule self\u2011test\u201d that forces a known voltage into the sensor input. If the PCM reports a failure, the fault likely resides inside the control module.\n<\/li>\n
      6. Re\u2011programming<\/strong> \u2013 Update the PCM firmware to the latest version. Many intermittent\u2011sensor issues are resolved by a software flash that corrects signal filtering thresholds.\n<\/li>\n
      7. Module replacement<\/strong> \u2013 If the self\u2011test and re\u2011programming do not clear the code, the input driver or internal circuitry is compromised. Replace the ECM\/PCM with a VIN\u2011matched unit and have it programmed to the vehicle\u2019s calibration. Typical parts cost $600\u2011$900; labor is $200\u2011$300.\n<\/li>\n
      8. Clear codes and road test<\/strong> \u2013 After repair, clear all codes, then drive the vehicle through a variety of conditions (city, highway, load) to verify that P2489 does not return.\n<\/li>\n<\/ol>\n

        *While a faulty sensor could cause the symptom, the issue may stem from the PCM not communicating correctly with the system. A diagnostic scan and module communication test will determine if module replacement or reprogramming is needed.* <\/p>\n

        When Replacement Makes Sense <\/h4>\n

        If the PCM input stage for Bank 2 Sensor 5 fails the self\u2011test, or if re\u2011programming does not resolve the intermittent readings, replacement becomes the most reliable solution. Modern control modules are highly integrated with security, immobilizer, and emission\u2011control networks; a compromised board can cause recurring faults even after sensor or wiring repairs. <\/p>\n

        Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty.<\/strong> Modern control modules are complex and integrated with security and immobilizer systems. That’s why choosing a replacement isn\u2019t only about the hardware\u2014it’s about correct programming and compatibility. Flagship One supplies modules that are pre\u2011programmed to the vehicle\u2019s VIN, ensuring seamless integration and eliminating dealer\u2011level re\u2011coding delays. Their warranty covers both hardware integrity and programming accuracy, giving owners confidence in long\u2011term reliability. <\/p>\n

        Preventive Maintenance <\/h4>\n
          \n
        • Inspect exhaust\u2011sensor wiring annually<\/strong> for signs of heat damage, especially near the turbocharger or exhaust manifold. <\/li>\n
        • Clean sensor housings<\/strong> during routine exhaust system service to prevent soot buildup that can insulate the element. <\/li>\n
        • Use a high\u2011quality scan tool<\/strong> during regular emissions checks to verify sensor data stays within spec. <\/li>\n
        • Apply dielectric grease<\/strong> to sensor connectors when reinstalling to protect against moisture corrosion. <\/li>\n
        • Keep PCM firmware current<\/strong> by following manufacturer service bulletins; many updates address sensor\u2011signal filtering improvements. <\/li>\n<\/ul>\n

          Frequently Asked Questions <\/h4>\n

          What does a flashing MIL mean when P2489 is present?<\/strong> <\/p>\n

          A flashing MIL indicates a severe condition; the PCM has detected an over\u2011temperature risk and is actively limiting engine output. Immediate diagnosis is recommended to avoid possible engine damage. <\/p>\n

          Can I replace the Bank 2 Sensor 5 myself and clear the code?<\/strong> <\/p>\n

          Replacing the sensor may clear the code temporarily, but if the PCM input circuit is faulty the code will return. Proper diagnosis of the module is essential before a permanent fix. <\/p>\n

          How much does an ECU replacement cost for a P2489\u2011related failure?<\/strong> <\/p>\n

          A VIN\u2011matched replacement ECU typically ranges from $600 to $900 for the part, plus $200\u2011$300 for labor. Prices vary with vehicle make, model year, and required programming. <\/p>\n

          Is it safe to drive with P2489 active for a short distance?<\/strong> <\/p>\n

          The PCM limits power to protect the engine, so short trips are generally safe, but continued operation can lead to repeated limp\u2011mode activation and may mask a deeper module fault. <\/p>\n

          Will a software update alone fix the intermittent sensor reading?<\/strong> <\/p>\n

          Often yes; many manufacturers release calibration updates that adjust sensor\u2011signal thresholds. If the update does not clear the code, the next step is module testing and possible replacement. <\/p>\n

          Systematic diagnosis\u2014scanning codes, inspecting wiring, testing sensor voltage, and verifying PCM communication\u2014isolates the root cause of P2489. If the control module\u2019s input circuit is compromised, replacement with a VIN\u2011matched, pre\u2011programmed unit restores reliable exhaust\u2011temperature monitoring and prevents unnecessary limp\u2011mode activation. Proper preventive care of wiring and sensor housings further reduces the likelihood of recurrence.<\/p>\n

          \n

          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

          \n

          Frequently Asked Questions<\/h2>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Intermittent exhaust temp warning on your vehicle? Erratic Bank 2 Sensor 5 can cause engine over\u2011heat risk\u2014scan, test the sensor and replace it now.<\/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-518472","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"\nP2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - 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-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Intermittent exhaust temp warning on your vehicle? Erratic Bank 2 Sensor 5 can cause engine over\u2011heat risk\u2014scan, test the sensor and replace it now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/\" \/>\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=\"2025-12-11T01:05:11+00:00\" \/>\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=\"6 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-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview\",\"datePublished\":\"2025-12-11T01:05:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/\"},\"wordCount\":1296,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/\",\"name\":\"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2025-12-11T01:05:11+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview\"}]},{\"@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":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - 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-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/","og_locale":"en_US","og_type":"article","og_title":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - Flagship One Blog","og_description":"Intermittent exhaust temp warning on your vehicle? Erratic Bank 2 Sensor 5 can cause engine over\u2011heat risk\u2014scan, test the sensor and replace it now.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T01:05:11+00:00","author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview","datePublished":"2025-12-11T01:05:11+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/"},"wordCount":1296,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/","name":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"datePublished":"2025-12-11T01:05:11+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2489-exhaust-gas-temperature-sensor-circuit-intermittenterratic-bank-2-sensor-5\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2489 Code Symptoms, Causes, Diagnosis, Repair & Cost Overview"}]},{"@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\/518472","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=518472"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518472\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}