{"id":516958,"date":"2025-12-09T21:09:55","date_gmt":"2025-12-10T02:09:55","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/"},"modified":"2025-12-09T21:09:55","modified_gmt":"2025-12-10T02:09:55","slug":"dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/","title":{"rendered":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps"},"content":{"rendered":"
\n
\n
C0099<\/div>\n

C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps<\/h1>\n

\n<\/section>\n

\n

Quick Summary<\/h2>\n
    \n
  • C0099 signals a fault in the rear\u2011differential actuator A position sensor for 4WD\/AWD systems. <\/li>\n
  • Drivers typically see a traction\u2011control warning, loss of rear\u2011wheel drive, or reduced traction on slippery surfaces. <\/li>\n
  • The fault is usually caused by sensor signal loss, wiring\/connectors, or a communication error with the AWD control module. <\/li>\n
  • Proper diagnosis requires a scan tool that can read AWD module data, continuity testing, and, if needed, sensor replacement or module re\u2011programming. <\/li>\n
  • Flagship One supplies VIN\u2011matched replacement modules and handles the required programming, ensuring a plug\u2011and\u2011drive solution with warranty coverage. <\/li>\n<\/ul>\n<\/div>\n

    C0099 Code Symptoms and Warning Signs <\/h3>\n

    When the rear\u2011differential actuator position sensor fails, the AWD system can no longer verify the actuator\u2019s position. The control module reacts by disabling rear torque distribution to protect the drivetrain. Most owners notice one or more of the following:<\/p>\n

      \n
    • Traction\u2011control or stability\u2011control light illuminated<\/strong> on the instrument cluster. <\/li>\n
    • Loss of rear\u2011wheel drive<\/strong> while the vehicle is in 4WD\/AWD mode, leaving only the front wheels powered. <\/li>\n
    • Reduced traction<\/strong> on wet, icy, or loose surfaces; the vehicle may feel \u201cunder\u2011steered\u201d or slip more than usual. <\/li>\n
    • Intermittent \u201cAWD off\u201d messages<\/strong> on the dash, especially after turning or when the vehicle is stationary. <\/li>\n<\/ul>\n

      These indicators appear because the module has detected an out\u2011of\u2011range or missing position signal from the actuator sensor.<\/p>\n

      Why Rear Differential Actuator Position Sensor Problems Occur <\/h3>\n

      Sensor Signal Loss <\/h4>\n

      The position sensor generates a voltage or digital signal that reflects the actuator\u2019s angle. Internal failure\u2014such as a cracked sensor element or degraded electronics\u2014produces a signal that is too low, too high, or absent, prompting the AWD module to flag C0099.<\/p>\n

      Wiring or Connector Issues <\/h4>\n

      Corroded pins, broken wires, or loose connector clips interrupt the sensor\u2019s communication line. Even a single high\u2011resistance joint can cause the signal to fall outside the calibrated range, leading to a fault code.<\/p>\n

      Control\u2011Module Communication Errors <\/h4>\n

      The rear\u2011differential actuator is commanded by the vehicle\u2019s AWD control module (often integrated with the transfer case control unit). A corrupted firmware version or a failed internal circuit can prevent the module from correctly interpreting the sensor data, resulting in C0099.<\/p>\n

      Mechanical Actuator Failure <\/h4>\n

      If the actuator itself is seized or moves beyond its designed travel, the sensor may report an impossible position. The module treats this as a sensor fault rather than a mechanical one, still logging C0099.<\/p>\n

      Environmental Contamination <\/h4>\n

      Water intrusion, road\u2011salt exposure, or excessive vibration can degrade sensor seals or connector boots. Moisture inside the sensor housing creates short circuits, while salt accelerates corrosion on wiring.<\/p>\n

      Diagnostic and Repair Procedures <\/h3>\n
        \n
      1. Retrieve the Code with an AWD\u2011capable Scan Tool<\/strong>\n<\/li>\n<\/ol>\n

        – Connect a professional scan tool that can access the AWD\/transfer\u2011case module. Verify that C0099 is present and note any additional codes that may indicate related issues (e.g., wiring faults).<\/p>\n

          \n
        1. Inspect Wiring Harness and Connectors<\/strong>\n<\/li>\n<\/ol>\n

          – Visually examine the sensor\u2019s wiring for frayed bundles, cracked insulation, or corrosion. Use a multimeter to check continuity from the sensor connector to the module. Resistance should match the manufacturer\u2019s specification (typically < 1 \u03a9). Replace damaged sections or clean corroded pins.<\/p>\n

            \n
          1. Test Sensor Output<\/strong>\n<\/li>\n<\/ol>\n

            – With the vehicle in park and the rear actuator at a known position, measure the sensor voltage or digital signal according to the service manual. Values outside the specified range (e.g., 0.2\u20134.5 V for analog sensors) confirm a faulty sensor.<\/p>\n

              \n
            1. Verify Module Communication<\/strong>\n<\/li>\n<\/ol>\n

              – Perform a bidirectional test using the scan tool: command the actuator to move and observe the sensor\u2019s response. If the module does not receive a valid signal despite a good sensor reading, the fault likely resides in the module\u2019s input circuit or firmware.<\/p>\n

                \n
              1. Assess Actuator Mechanical Operation<\/strong>\n<\/li>\n<\/ol>\n

                – Manually actuate the rear differential (if serviceable) to ensure it moves freely through its full range. Stiffness or binding indicates a mechanical problem that must be addressed before sensor replacement.<\/p>\n

                  \n
                1. Repair or Replace the Faulty Component<\/strong>\n<\/li>\n<\/ol>\n

                  – Sensor repair<\/strong> is rarely practical; most technicians replace the sensor assembly. <\/p>\n

                  – Wiring repair<\/strong> involves splicing with heat\u2011shrink tubing and corrosion\u2011resistant connectors. <\/p>\n

                  – Module repair<\/strong> (e.g., re\u2011soldering a cracked board trace) may be attempted, but repeated failures often justify replacement. <\/p>\n

                  – Actuator repair<\/strong> requires rebuilding or replacing the mechanical unit, which is beyond the scope of a sensor\u2011focused article.<\/p>\n

                    \n
                  1. Re\u2011program or Re\u2011flash the AWD Module<\/strong>\n<\/li>\n<\/ol>\n

                    – After hardware replacement, the module must be calibrated to recognize the new sensor\u2019s signal range. Use the manufacturer\u2019s re\u2011calibration procedure, which typically takes 10\u201315 minutes and may require a VIN\u2011specific software file.<\/p>\n

                      \n
                    1. Clear Codes and Verify Operation<\/strong>\n<\/li>\n<\/ol>\n

                      – Erase the C0099 code, then perform a road test on a low\u2011traction surface. Confirm that the traction\u2011control light remains off and that rear\u2011wheel drive engages as expected.<\/p>\n

                      Typical costs<\/strong> <\/p>\n

                        \n
                      • Sensor replacement: $150\u2011$300<\/strong> for the part plus $80\u2011$120<\/strong> labor. <\/li>\n
                      • Wiring repair: $50\u2011$120<\/strong> depending on length and complexity. <\/li>\n
                      • Module re\u2011programming: $100\u2011$180<\/strong> for software access and technician time. <\/li>\n
                      • Full module replacement (if needed): $600\u2011$900<\/strong> for the unit plus $150\u2011$250<\/strong> labor.<\/li>\n<\/ul>\n

                        When Rear Differential Actuator Position Sensor Replacement Makes More Sense Than Repair <\/h3>\n

                        Repeated sensor failures, persistent communication errors after wiring repair, or a history of water intrusion often indicate that a simple fix will not restore long\u2011term reliability. In such cases, installing a fresh, factory\u2011calibrated module eliminates the risk of intermittent faults and reduces future diagnostic time.<\/p>\n

                        Modern control modules are complex and integrated with security and immobilizer systems. That’s why choosing a replacement isn’t only about the hardware\u2014it’s about correct programming and compatibility. Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty. Their units arrive pre\u2011programmed to your vehicle\u2019s exact specifications, ensuring seamless integration with the AWD system and eliminating the need for dealer\u2011level re\u2011coding. <\/p>\n

                        When the rear\u2011differential actuator sensor repeatedly triggers C0099, a Flagship One replacement module delivers reliable performance and peace of mind.<\/p>\n

                        Preventive Maintenance <\/h3>\n
                          \n
                        • Seal and Protect Connectors<\/strong> \u2013 Apply dielectric grease to sensor connectors during service and inspect boots for cracks. <\/li>\n
                        • Routine Visual Checks<\/strong> \u2013 Every 12 months, look for signs of corrosion or wear on the wiring harness, especially after winter road\u2011salt exposure. <\/li>\n
                        • Software Updates<\/strong> \u2013 Keep the AWD control module firmware current; manufacturers occasionally release updates that improve sensor tolerance. <\/li>\n
                        • Dry Storage<\/strong> \u2013 If the vehicle is stored for extended periods, raise it slightly to allow water to drain from the rear differential housing and protect the sensor from moisture accumulation. <\/li>\n
                        • Prompt Repair of Minor Issues<\/strong> \u2013 Address any intermittent traction\u2011control warnings immediately; early intervention prevents sensor or module damage from escalating.<\/li>\n<\/ul>\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":"

                          C0099 flashes on your vehicle, indicating the rear differential actuator position sensor is faulty\u2014risking 4WD\/AWD loss. Scan, test sensor and repair 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-516958","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"\nC0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - 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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"C0099 flashes on your vehicle, indicating the rear differential actuator position sensor is faulty\u2014risking 4WD\/AWD loss. Scan, test sensor and repair now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/\" \/>\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=\"2025-12-10T02:09:55+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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps\",\"datePublished\":\"2025-12-10T02:09:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/\"},\"wordCount\":1185,\"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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/\",\"name\":\"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2025-12-10T02:09:55+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps\"}]},{\"@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":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - 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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/","og_locale":"en_US","og_type":"article","og_title":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - Flagship One Blog","og_description":"C0099 flashes on your vehicle, indicating the rear differential actuator position sensor is faulty\u2014risking 4WD\/AWD loss. Scan, test sensor and repair now.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T02:09:55+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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps","datePublished":"2025-12-10T02:09:55+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/"},"wordCount":1185,"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-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/","name":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"datePublished":"2025-12-10T02:09:55+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0099-4wdawd-rear-differential-unit-actuator-position-sensor\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"C0099 Code Symptoms, Causes, Diagnosis and Repair Guide Steps"}]},{"@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\/516958","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=516958"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/516958\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=516958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=516958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=516958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}