{"id":517020,"date":"2025-12-09T21:52:39","date_gmt":"2025-12-10T02:52:39","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/"},"modified":"2025-12-09T21:52:39","modified_gmt":"2025-12-10T02:52:39","slug":"dtc-c0561-vacuum-sensor-ab-correlation","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/","title":{"rendered":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide"},"content":{"rendered":"
\n
\n
C0561<\/div>\n

C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide<\/h1>\n

\n<\/section>\n

\n

Quick Summary<\/h2>\n
    \n
  • C0561 indicates a Vacuum Sensor A\/B Correlation fault. <\/li>\n
  • Drivers typically notice rough idle, stalling, reduced acceleration, and a check\u2011engine light. <\/li>\n
  • The ECM\/PCM compares two vacuum sensor signals; a mismatch triggers the code. <\/li>\n
  • Common causes are wiring\/connectors, sensor signal out\u2011of\u2011range, or ECM\/PCM communication problems. <\/li>\n
  • Diagnosis starts with a scan, visual wiring check, and live\u2011data comparison; replacement of the control module may be required. <\/li>\n<\/ul>\n<\/div>\n

    C0561 Code Symptoms and Fixes: How to Diagnose and Resolve the Issue <\/h3>\n

    When the vacuum\u2011sensor correlation fails, the engine\u2019s idle can become erratic, the vehicle may stall at low speeds, and acceleration can feel sluggish. The check\u2011engine light usually illuminates, and the OBD\u2011II scanner will display the C0561 code. Drivers often first notice a sudden change in idle quality or a hesitation that wasn\u2019t present before. Because the ECM\/PCM relies on accurate vacuum data to control fuel delivery and ignition timing, any discrepancy quickly manifests as a loss of smoothness. Early attention prevents the fault from spreading to other control strategies.<\/p>\n

    Symptoms <\/h4>\n
      \n
    • Rough or uneven idle<\/strong> \u2013 the engine may shake or surge while stopped. <\/li>\n
    • Stalling at idle or low speeds<\/strong> \u2013 the vehicle can die when coming to a stop. <\/li>\n
    • Reduced acceleration<\/strong> \u2013 throttle response feels delayed or weak. <\/li>\n
    • Check\u2011engine light (CEL)<\/strong> \u2013 the C0561 code appears on the OBD\u2011II scanner. <\/li>\n
    • Fuel\u2011trim fluctuations<\/strong> \u2013 live data may show abnormal short\u2011term fuel trim values as the ECM tries to compensate.<\/li>\n<\/ul>\n

      Why This Happens <\/h4>\n

      ##### ECM\/PCM Communication Failure <\/p>\n

      The ECM (engine control module) constantly reads vacuum sensor A and B signals. If the module\u2019s internal processor or its communication bus (CAN) cannot reliably exchange data, the comparison will be inconsistent, prompting C0561. Corrosion on the module\u2019s internal connectors or a failed microcontroller can be the root cause.<\/p>\n

      ##### Wiring or Connector Issues <\/p>\n

      Vacuum sensors are typically low\u2011voltage, high\u2011impedance devices. A broken wire, loose connector, or pin\u2011corrosion in the harness can introduce resistance or intermittent signals. The ECM may receive a valid reading from one sensor while the other appears out of range, producing the correlation error.<\/p>\n

      ##### Vacuum Sensor Signal Discrepancy <\/p>\n

      Even when the wiring is sound, one sensor may output a voltage that falls outside its calibrated range (e.g., 0.5 V vs. 2.5 V). This can stem from sensor age, exposure to heat, or contamination. Because the ECM expects the two sensors to track engine load similarly, a divergent signal triggers C0561.<\/p>\n

      ##### Internal Module Fault <\/p>\n

      A defect inside the ECM\u2014such as a damaged analog\u2011to\u2011digital converter or a failing memory cell\u2014can corrupt the processing of sensor data. In such cases, the sensors themselves may be healthy, but the module cannot correctly correlate the inputs.<\/p>\n

      Diagnostic and Repair Procedures <\/h4>\n
        \n
      1. Scan and Record Live Data<\/strong>\n<\/li>\n<\/ol>\n

        – Connect a professional OBD\u2011II scanner. <\/p>\n

        – Record vacuum sensor A and B voltages while the engine is idling, at 2000 rpm, and under light load. <\/p>\n

        – Note any large disparity (>0.5 V) or erratic fluctuations. <\/p>\n

          \n
        1. Visual Inspection of Wiring Harness<\/strong>\n<\/li>\n<\/ol>\n

          – Locate the vacuum sensor connectors (often near the intake manifold). <\/p>\n

          – Check for cracked insulation, corroded pins, or loose clamps. <\/p>\n

          – Repair or reseat any suspect connections. <\/p>\n

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

            – Using a multimeter, measure each sensor\u2019s voltage relative to ground with the engine off (should be near 0 V). <\/p>\n

            – Start the engine and observe voltage rise; both sensors should increase proportionally. <\/p>\n

            – If one sensor remains flat or spikes, the sensor itself may be defective. <\/p>\n

              \n
            1. ECM\/PCM Communication Check<\/strong>\n<\/li>\n<\/ol>\n

              – Perform a CAN\u2011bus scan for any additional communication errors. <\/p>\n

              – Use the scanner\u2019s \u201cmodule test\u201d function to verify the ECM\u2019s ability to read analog inputs. <\/p>\n

                \n
              1. Clear the Code and Test Drive<\/strong>\n<\/li>\n<\/ol>\n

                – After any wiring repair or sensor replacement, clear the DTC. <\/p>\n

                – Conduct a 10\u2011minute drive covering idle, acceleration, and light load. <\/p>\n

                – Re\u2011scan; if C0561 returns, proceed to module\u2011level troubleshooting. <\/p>\n

                  \n
                1. Module Reprogramming<\/strong>\n<\/li>\n<\/ol>\n

                  – If the ECM\u2019s software version is outdated, a reflash may resolve correlation logic bugs. <\/p>\n

                  – Reprogramming typically costs $150\u2011$250 for labor plus any required software license fees. <\/p>\n

                    \n
                  1. Module Replacement<\/strong>\n<\/li>\n<\/ol>\n

                    – When communication tests fail, internal diagnostics indicate a hardware fault, or reprogramming does not clear the code, replacement of the ECM\/PCM becomes the logical step. <\/p>\n

                    When Replacement Makes More Sense Than Repair <\/h4>\n

                    If the ECM\/PCM exhibits repeated communication failures, internal circuitry damage, or cannot retain updated software, repairing the board is often a temporary fix. Modern control modules are highly integrated with security, immobilizer, and emission\u2011control functions; a compromised module can affect multiple vehicle systems. <\/p>\n

                    Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by a comprehensive warranty.<\/strong> Because each module must be programmed to the vehicle\u2019s unique VIN and software version, sourcing a replacement from a provider that ensures proper matching eliminates the risk of incompatibility. Flagship One\u2019s expertise in re\u2011flashing and calibrating modules ensures that the new unit integrates seamlessly with existing vehicle networks, delivering reliable performance without the downtime associated with dealer programming. <\/p>\n

                    Preventive Maintenance <\/h4>\n
                      \n
                    • Inspect vacuum sensor wiring<\/strong> during routine service intervals (every 30,000 mi). Look for chafing, moisture ingress, and connector corrosion. <\/li>\n
                    • Replace vacuum sensors<\/strong> according to the manufacturer\u2019s service schedule (typically every 100,000 mi) to avoid signal drift. <\/li>\n
                    • Keep the ECM\/PCM\u2019s environment dry<\/strong>; ensure engine bay heat shields and moisture barriers are intact. <\/li>\n
                    • Use a calibrated scan tool<\/strong> for periodic live\u2011data checks; early detection of minor voltage offsets can prevent a full C0561 fault. <\/li>\n
                    • Maintain up\u2011to\u2011date ECM software<\/strong> by applying manufacturer\u2011issued updates during scheduled service. <\/li>\n<\/ul>\n

                      Frequently Asked Questions <\/h4>\n

                      What does a C0561 code mean for my vehicle?<\/strong> <\/p>\n

                      It indicates that the engine control module has detected a mismatch between the readings of vacuum sensor A and vacuum sensor B. The discrepancy can arise from sensor issues, wiring problems, or a fault inside the ECM itself. <\/p>\n

                      Can I clear the C0561 code without fixing the problem?<\/strong> <\/p>\n

                      Clearing the code will turn off the check\u2011engine light temporarily, but the underlying mismatch will cause the code to return. Proper diagnosis of sensor signals, wiring integrity, and module communication is required to achieve a lasting fix. <\/p>\n

                      How much does ECM replacement cost for a C0561 fault?<\/strong> <\/p>\n

                      A VIN\u2011matched replacement ECM typically costs $600\u2011$900 for the hardware, plus $200\u2011$300 for programming and installation labor. Prices vary based on vehicle make, model year, and software version. <\/p>\n

                      Is it safe to drive with a flashing check\u2011engine light caused by C0561?<\/strong> <\/p>\n

                      While the fault usually affects idle quality and low\u2011speed performance, it does not pose an immediate safety risk. However, prolonged operation can lead to higher fuel consumption, increased emissions, and possible stalling, so prompt diagnosis is advisable. <\/p>\n

                      Do I need a dealer to reprogram the ECM after a C0561 repair?<\/strong> <\/p>\n

                      Reprogramming can be performed by any shop equipped with the correct OEM scan tool and software. The key is ensuring the module is programmed to the vehicle\u2019s VIN and the latest software version, which Flagship One provides as part of its replacement service. <\/p>\n

                      Systematic diagnosis\u2014scanning codes, inspecting wiring, testing sensor voltages, and verifying ECM communication\u2014isolates the source of a C0561 fault. If wiring and sensor checks prove clean but the code persists, module reprogramming or a VIN\u2011matched replacement from a specialist supplier ensures reliable operation and prevents recurring correlation errors.<\/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":"

                      Vacuum sensor A\/B correlation error in your vehicle can cause poor idle and drivability; scan the code, test sensor communication, and consider reprogra…<\/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-517020","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"\nC0561 Code Symptoms, Causes, Diagnosis & Repair Procedures 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-c0561-vacuum-sensor-ab-correlation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Vacuum sensor A\/B correlation error in your vehicle can cause poor idle and drivability; scan the code, test sensor communication, and consider reprogra...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/\" \/>\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=\"2025-12-10T02:52:39+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-c0561-vacuum-sensor-ab-correlation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide\",\"datePublished\":\"2025-12-10T02:52:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/\"},\"wordCount\":1301,\"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-c0561-vacuum-sensor-ab-correlation\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/\",\"name\":\"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2025-12-10T02:52:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0561-vacuum-sensor-ab-correlation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures 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":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures 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-c0561-vacuum-sensor-ab-correlation\/","og_locale":"en_US","og_type":"article","og_title":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide - Flagship One Blog","og_description":"Vacuum sensor A\/B correlation error in your vehicle can cause poor idle and drivability; scan the code, test sensor communication, and consider reprogra...","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T02:52:39+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-c0561-vacuum-sensor-ab-correlation\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide","datePublished":"2025-12-10T02:52:39+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/"},"wordCount":1301,"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-c0561-vacuum-sensor-ab-correlation\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/","name":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"datePublished":"2025-12-10T02:52:39+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0561-vacuum-sensor-ab-correlation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"C0561 Code Symptoms, Causes, Diagnosis & Repair Procedures 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\/517020","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=517020"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/517020\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=517020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=517020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=517020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}