{"id":517119,"date":"2025-12-09T23:10:09","date_gmt":"2025-12-10T04:10:09","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/"},"modified":"2025-12-09T23:10:09","modified_gmt":"2025-12-10T04:10:09","slug":"dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/","title":{"rendered":"C0660 Code Symptoms, Causes, Diagnosis &#038; Repair Guide Step-by-Step"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">C0660<\/div>\n<h1>C0660 Code Symptoms, Causes, Diagnosis &amp; Repair Guide Step-by-Step<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>C0660 signals \u201cLeft Rear Wheel Speed Sensor B Range\/Performance.\u201d <\/li>\n<li>Drivers notice ABS\/ESC warning lights, pulsating brake pedal, or uneven braking. <\/li>\n<li>The fault usually stems from sensor signal out\u2011of\u2011range, wiring integrity, or ABS control\u2011module communication. <\/li>\n<li>A full\u2011system scan, wiring check, and module test isolate the problem before any replacement. <\/li>\n<li>When the ABS module is damaged or its software is corrupted, Flagship One provides VIN\u2011matched, pre\u2011programmed replacements. <\/li>\n<\/ul>\n<\/div>\n<h3>C0660 Code Symptoms, Causes, and Step\u2011by\u2011Step Diagnosis \u2014 How to Resolve the Issue <\/h3>\n<p>The first thing you\u2019ll see when C0660 is stored is an illumination of the ABS or traction\u2011control warning lamp on the instrument cluster. In many cases the brake pedal will pulse during moderate\u2011speed stops, and the vehicle may feel less stable when cornering because the ESC system is intermittently disabled. Some drivers also report a brief loss of anti\u2011lock braking on a single wheel, which can manifest as a slight skid or a longer stopping distance on the left rear side. These signs appear suddenly, often after a wet road or a hard brake event, and they persist until the code is cleared or the underlying fault is repaired. <\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>ABS\/ESC warning light<\/strong> stays on or flashes. <\/li>\n<li><strong>Brake\u2011pedal pulsation<\/strong> that is strongest when the left rear wheel is the first to lock. <\/li>\n<li><strong>Reduced traction\u2011control intervention<\/strong> during acceleration on slippery surfaces. <\/li>\n<li><strong>Uneven braking<\/strong> felt as a pull to the right when applying the brakes firmly. <\/li>\n<li><strong>Intermittent loss of anti\u2011lock<\/strong> on the left rear wheel, sometimes accompanied by a brief \u201cskid\u201d sensation. <\/li>\n<\/ul>\n<h2>Why This Happens <\/h2>\n<h3>Sensor Signal Out\u2011of\u2011Range <\/h3>\n<p>The wheel\u2011speed sensor B on the left rear wheel generates a frequency proportional to wheel rotation. The ABS module expects this frequency to stay within a calibrated bandwidth (typically 0\u20135 kHz). Contamination, cracked tone\u2011ring teeth, or internal coil degradation can cause the output to exceed or fall below this range, prompting the C0660 code. <\/p>\n<h3>Wiring Harness Faults <\/h3>\n<p>Even a perfectly functioning sensor cannot deliver usable data if the harness is compromised. Corroded connectors, broken shielding, or high\u2011resistance splices introduce noise that pushes the measured signal outside the acceptable window. A short to ground or an open circuit can also produce erratic values that the ABS module flags as a range\/performance error. <\/p>\n<h3>ABS Control\u2011Module Communication Issues <\/h3>\n<p>The ABS control module (sometimes integrated with the ESC or brake\u2011by\u2011wire unit) interprets sensor pulses and executes anti\u2011lock algorithms. Internal memory corruption, failed voltage regulators, or a malfunctioning CAN\u2011bus transceiver can distort the sensor data as it is received, making the module believe the sensor is out of range. In such cases the fault lies with the module rather than the sensor or wiring. <\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Retrieve and Clear the Code<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Connect a professional OBD\u2011II scan tool capable of ABS\/ESC diagnostics. <\/p>\n<p> &#8211; Record the freeze\u2011frame data, then clear the code to see if it returns after a test drive. <\/p>\n<ol>\n<li><strong>Visual Inspection of the Sensor and Wiring<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Locate the left\u2011rear wheel\u2011speed sensor B (usually mounted near the brake rotor). <\/p>\n<p> &#8211; Check for cracked tone\u2011ring teeth, oil or brake\u2011dust buildup, and physical damage. <\/p>\n<p> &#8211; Inspect the connector for corrosion, bent pins, or broken shielding. <\/p>\n<ol>\n<li><strong>Resistance and Signal Test<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Measure sensor resistance at the connector; typical values are 800\u20131 200 \u03a9. <\/p>\n<p> &#8211; Use a scope or a scan tool with live data to view the sensor\u2019s frequency while the wheel spins. Values consistently outside the 0\u20135 kHz window confirm a sensor\u2011range fault. <\/p>\n<ol>\n<li><strong>Wiring Continuity Check<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Perform a continuity test from the sensor connector to the ABS module harness. <\/p>\n<p> &#8211; Verify that resistance does not exceed 0.5 \u03a9 for the signal wire and that the ground path is solid (&lt; 0.2 \u03a9). <\/p>\n<ol>\n<li><strong>ABS Module Communication Test<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Run a module\u2011self\u2011test via the scan tool. Many tools can command a \u201csensor simulation\u201d that forces the ABS module to generate a synthetic wheel\u2011speed signal. <\/p>\n<p> &#8211; If the module reports \u201csensor OK\u201d while the simulated signal is within range, the fault likely resides in the physical sensor or wiring. <\/p>\n<p> &#8211; If the module still flags a range error, the internal processing or CAN\u2011bus interface may be compromised. <\/p>\n<ol>\n<li><strong>Repair Path Decision<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; <strong>Sensor or wiring defect:<\/strong> Clean or replace the sensor, repair or replace damaged wiring, then clear the code and test drive. <\/p>\n<p> &#8211; <strong>Module communication fault:<\/strong> Re\u2011flash the ABS module firmware if an update is available. If the fault persists, consider module replacement. <\/p>\n<ol>\n<li><strong>Re\u2011programming (if needed)<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; When a new ABS module is installed, it must be programmed to the vehicle\u2019s VIN, calibration data, and any optional brake\u2011assist features. A dealer\u2011level scan tool or a qualified aftermarket programming service is required. <\/p>\n<p><strong>Typical costs<\/strong> <\/p>\n<ul>\n<li>Sensor cleaning or minor wiring repair: $50\u2011$120 for parts and labor. <\/li>\n<li>Sensor replacement (OEM\u2011equivalent): $150\u2011$300 plus $80\u2011$120 labor. <\/li>\n<li>ABS module re\u2011flash: $100\u2011$150 for software and labor. <\/li>\n<li>ABS module replacement (including VIN\u2011matched unit): $600\u2011$900 for the module, $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>If the ABS control module fails the communication self\u2011test, repeatedly loses sensor data after wiring repairs, or exhibits intermittent faults despite a clean sensor and intact harness, replacement is the most reliable solution. Module repair attempts\u2014such as board\u2011level component replacement\u2014may provide a temporary fix, but internal failures often re\u2011occur because the underlying circuitry is compromised. <\/p>\n<p><strong>Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive unit that is pre\u2011programmed to your vehicle\u2019s exact specifications. Modern control modules are integrated with security, immobilizer, and vehicle\u2011network systems; a correctly programmed replacement eliminates compatibility issues and restores full ABS\/ESC functionality. Replacement units vary by production date and software version, so the correct module is matched by VIN before programming, and the installation is backed by a comprehensive warranty. <\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Regularly clean wheel\u2011speed sensors<\/strong> during tire rotations. Use a soft brush and brake\u2011cleaner to remove dust and debris that can impair the tone\u2011ring teeth. <\/li>\n<li><strong>Inspect connector boots<\/strong> for cracks or moisture ingress, especially after winter road\u2011salt exposure. Replace any compromised boots promptly. <\/li>\n<li><strong>Check wiring harness routing<\/strong> for chafing against suspension components. Reroute or protect any sections that show wear. <\/li>\n<li><strong>Run a full ABS self\u2011diagnostic<\/strong> at least once a year with a professional scan tool. Early detection of marginal sensor signals can prevent a C0660 fault from developing. <\/li>\n<li><strong>Stay current on ABS software updates<\/strong> released by the manufacturer; these updates often refine sensor\u2011range thresholds and improve fault tolerance.<\/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>Your vehicle shows erratic ABS warning and uneven braking\u2014C0660 signals Left Rear Wheel Speed Sensor B Range\/Performance. Diagnose now to restore safety.<\/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-517119","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>C0660 Code Symptoms, Causes, Diagnosis &amp; Repair Guide Step-by-Step - 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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C0660 Code Symptoms, Causes, Diagnosis &amp; Repair Guide Step-by-Step - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Your vehicle shows erratic ABS warning and uneven braking\u2014C0660 signals Left Rear Wheel Speed Sensor B Range\/Performance. Diagnose now to restore safety.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/\" \/>\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=\"2025-12-10T04:10:09+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=\"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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"C0660 Code Symptoms, Causes, Diagnosis &#038; Repair Guide Step-by-Step\",\"datePublished\":\"2025-12-10T04:10:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/\"},\"wordCount\":1158,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/\",\"name\":\"C0660 Code Symptoms, Causes, Diagnosis & Repair Guide Step-by-Step - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-10T04:10:09+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C0660 Code Symptoms, Causes, Diagnosis &#038; Repair Guide Step-by-Step\"}]},{\"@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":"C0660 Code Symptoms, Causes, Diagnosis & Repair Guide Step-by-Step - 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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/","og_locale":"en_US","og_type":"article","og_title":"C0660 Code Symptoms, Causes, Diagnosis & Repair Guide Step-by-Step - Flagship One Blog","og_description":"Your vehicle shows erratic ABS warning and uneven braking\u2014C0660 signals Left Rear Wheel Speed Sensor B Range\/Performance. Diagnose now to restore safety.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T04:10:09+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":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"C0660 Code Symptoms, Causes, Diagnosis &#038; Repair Guide Step-by-Step","datePublished":"2025-12-10T04:10:09+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/"},"wordCount":1158,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/","name":"C0660 Code Symptoms, Causes, Diagnosis & Repair Guide Step-by-Step - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-10T04:10:09+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#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-c0660-left-rear-wheel-speed-sensor-b-rangeperformance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"C0660 Code Symptoms, Causes, Diagnosis &#038; Repair Guide Step-by-Step"}]},{"@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\/517119","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=517119"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/517119\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=517119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=517119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=517119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}