{"product_id":"haldex-control-unit-0cq907554h-1","title":"0CQ907554H Haldex control unit Used","description":"\u003cbody\u003e\n\n\n    \u003cmeta charset=\"UTF-8\"\u003e\n    \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n    \u003cmeta name=\"description\" content=\"Used 0CQ907554H Haldex control unit for VAG AWD vehicles. BorgWarner Gen 5 rear differential module, HW H52 \/ 2001599, 12-month warranty.\"\u003e\n    \u003cmeta name=\"keywords\" content=\"0CQ907554H, Haldex control unit, BorgWarner, Haldex Gen 5, HW H52, 2001599, Golf VII R, Passat B8 Alltrack, Tiguan AD, Audi A3 8V, Q3 8U, Octavia III 4x4, Ateca, Tarraco\"\u003e\n    \u003ctitle\u003e0CQ907554H Haldex Control Unit Gen 5 | Used BorgWarner OEM\u003c\/title\u003e\n    \u003cstyle\u003e\n        * { margin: 0; padding: 0; box-sizing: border-box; }\n        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #ffffff; background-color: #000000; }\n        .container { max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #000000; }\n        .product-header { background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%); color: white; padding: 30px; border-radius: 8px; margin-bottom: 30px; border: 2px solid #E3FC02; }\n        .product-header h1 { font-size: 2em; margin-bottom: 10px; font-weight: 600; color: #ffffff; }\n        .product-header .part-number { font-size: 1.3em; font-weight: bold; background-color: #E3FC02; color: #000000; display: inline-block; padding: 8px 15px; border-radius: 5px; margin-top: 10px; }\n        .info-section { background-color: #1a1a1a; padding: 20px; border-radius: 8px; margin-bottom: 20px; box-shadow: 0 2px 4px rgba(227, 252, 2, 0.2); border: 1px solid #E3FC02; color: #ffffff; }\n        .info-section h2 { color: #E3FC02; font-size: 1.4em; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 2px solid #E3FC02; }\n        .info-section h3 { color: #E3FC02; font-size: 1.1em; margin-top: 20px; margin-bottom: 10px; }\n        .key-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 15px; margin-bottom: 20px; }\n        .feature-box { background-color: #2a2a2a; padding: 15px; border-radius: 5px; border-left: 4px solid #E3FC02; color: #ffffff; }\n        .feature-box strong { color: #E3FC02; display: block; margin-bottom: 5px; }\n        .oem-numbers { background-color: #2a2a2a; padding: 15px; border-radius: 5px; border-left: 4px solid #E3FC02; margin-bottom: 20px; }\n        .oem-numbers strong { color: #E3FC02; display: block; margin-bottom: 8px; font-size: 1.1em; }\n        .oem-numbers p { font-family: 'Courier New', monospace; font-size: 0.95em; line-height: 1.8; color: #ffffff; }\n        .compatibility-list { background-color: #1a1a1a; padding: 20px; border-radius: 8px; margin-bottom: 20px; }\n        .compatibility-list ul { list-style: none; padding: 0; }\n        .compatibility-list li { padding: 10px; margin-bottom: 8px; background-color: #2a2a2a; border-radius: 5px; border-left: 3px solid #E3FC02; color: #ffffff; }\n        .compatibility-list li:before { content: \"✓ \"; color: #E3FC02; font-weight: bold; margin-right: 8px; }\n        .warning-box, .info-box, .success-box { background-color: #2a2a2a; border: 2px solid #E3FC02; border-radius: 5px; padding: 15px; margin: 20px 0; color: #ffffff; }\n        .warning-box strong, .info-box strong, .success-box strong { color: #E3FC02; display: block; margin-bottom: 8px; }\n        .technical-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }\n        .spec-row { display: contents; }\n        .spec-label { background-color: #2a2a2a; padding: 10px; font-weight: 600; color: #E3FC02; border-radius: 3px; }\n        .spec-value { background-color: #111111; padding: 10px; border-radius: 3px; color: #ffffff; }\n        .fault-codes { background-color: #2a2a2a; padding: 15px; border-radius: 5px; margin-top: 15px; }\n        .fault-codes ul { list-style: none; padding: 0; }\n        .fault-codes li { padding: 6px 0; color: #ffffff; }\n        .fault-codes code { color: #E3FC02; background-color: #1a1a1a; padding: 2px 6px; border-radius: 3px; font-weight: 600; }\n        .btn-contact {\n            display: flex;\n            align-items: center;\n            justify-content: center;\n            min-width: 220px;\n            min-height: 52px;\n            background: #000000;\n            color: #E3FC02;\n            padding: 14px 28px;\n            text-decoration: none;\n            text-align: center;\n            white-space: nowrap;\n            line-height: 1.2;\n            border-radius: 8px;\n            font-weight: 700;\n            font-size: 16px;\n            margin: 20px auto 0;\n            width: fit-content;\n            border: 2px solid #E3FC02;\n            box-shadow: 0 6px 16px rgba(227, 252, 2, 0.12);\n            transition: all 0.22s ease;\n            box-sizing: border-box;\n        }\n        .btn-contact:hover { background: #E3FC02; color: #000000 !important; }\n        .questions-help { text-align: center; }\n        .questions-help h2 { text-align: center; }\n        .questions-help p { text-align: center; max-width: 760px; margin: 0 auto; }\n        @media (max-width: 768px) {\n            .technical-specs { grid-template-columns: 1fr; }\n            .btn-contact { width: 100%; max-width: 320px; }\n        }\n    \u003c\/style\u003e\n\n\n    \u003cdiv class=\"container\"\u003e\n        \u003cdiv class=\"product-header\"\u003e\n            \u003ch1\u003eUsed Haldex Control Unit 0CQ907554H – VAG AWD Gen 5\u003c\/h1\u003e\n            \u003cdiv class=\"part-number\"\u003ePart Number: 0CQ907554H\u003c\/div\u003e\n            \u003cp style=\"margin-top: 15px; font-size: 1.08em; color: #ffffff;\"\u003eOriginal BorgWarner rear differential control module for Volkswagen Group vehicles equipped with 5th generation Haldex AWD system.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003cdiv class=\"key-features\"\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eSystem Type\u003c\/strong\u003e\n                    Haldex AWD 5th Generation\n                \u003c\/div\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eCondition\u003c\/strong\u003e\n                    Used – Fully Tested \u0026amp; Functional\n                \u003c\/div\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eManufacturer\u003c\/strong\u003e\n                    BorgWarner\n                \u003c\/div\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eOEM Number\u003c\/strong\u003e\n                    0CQ907554H\n                \u003c\/div\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eHardware Reference\u003c\/strong\u003e\n                    HW H52 \/ 2001599\n                \u003c\/div\u003e\n                \u003cdiv class=\"feature-box\"\u003e\n                    \u003cstrong\u003eWarranty\u003c\/strong\u003e\n                    12 Months\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"success-box\"\u003e\n                \u003cstrong\u003eOriginal Used OEM Module\u003c\/strong\u003e\n                Tested BorgWarner Haldex control unit prepared as a reliable replacement for failed Gen 5 AWD modules. Designed to restore rear axle engagement, stable traction control and proper communication with vehicle AWD electronics.\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eOEM Part Numbers \u0026amp; References\u003c\/h2\u003e\n            \u003cdiv class=\"oem-numbers\"\u003e\n                \u003cstrong\u003eMain OEM Part Number:\u003c\/strong\u003e\n                \u003cp\u003e0CQ907554H\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"oem-numbers\"\u003e\n                \u003cstrong\u003eHardware \/ Module References:\u003c\/strong\u003e\n                \u003cp\u003eHW H52  •  2001599  •  BorgWarner\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"warning-box\"\u003e\n                \u003cstrong\u003eAlways Verify Your Part Number\u003c\/strong\u003e\n                Before ordering, compare the part number printed on your original Haldex ECU with the number listed above. If you are unsure about fitment, contact us before purchase and we will help verify compatibility.\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n            \u003cdiv class=\"technical-specs\"\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eSystem Type:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eHaldex AWD 5th Generation\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eComponent:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eRear Differential Control Unit (ECU)\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eManufacturer:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBorgWarner\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eOEM Number:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e0CQ907554H\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eHardware Version:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eH52\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eModule Ref:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e2001599\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eApplication:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eVAG Group AWD vehicles with 5th generation Haldex system\u003c\/div\u003e\n\u003c\/div\u003e\n                \u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003ePart Condition:\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eUsed \/ Tested \/ Functional\u003c\/div\u003e\n\u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eProduct Description\u003c\/h2\u003e\n            \u003cp\u003eThis used original Haldex control unit with part number \u003cstrong style=\"color: #E3FC02;\"\u003e0CQ907554H\u003c\/strong\u003e is designed for 5th generation Haldex AWD systems in Volkswagen Group vehicles. It is a core BorgWarner module responsible for managing torque transfer between the front and rear axles, helping the vehicle maintain correct traction, stability and AWD engagement.\u003c\/p\u003e\n\n            \u003ch3\u003eWhat This Control Unit Does\u003c\/h3\u003e\n            \u003cul style=\"margin-left: 20px; margin-top: 10px; line-height: 1.85;\"\u003e\n                \u003cli\u003eControls rear axle engagement in Gen 5 Haldex AWD systems\u003c\/li\u003e\n                \u003cli\u003eSupports communication with ABS, ESP and drivetrain electronics\u003c\/li\u003e\n                \u003cli\u003eHelps restore AWD performance when the original ECU has failed\u003c\/li\u003e\n                \u003cli\u003eProvides a cost-effective OEM replacement for faulty rear differential modules\u003c\/li\u003e\n                \u003cli\u003eSupports stable vehicle traction in changing road conditions\u003c\/li\u003e\n            \u003c\/ul\u003e\n\n            \u003cp style=\"margin-top: 18px;\"\u003eTypical failure symptoms include loss of rear-wheel drive, no communication with the AWD module, intermittent fault logging and ESP \/ ABS warning lights. This unit is supplied as a tested used OEM module ready for installation in compatible vehicles.\u003c\/p\u003e\n\n            \u003cdiv class=\"info-box\"\u003e\n                \u003cstrong\u003eCoding Support\u003c\/strong\u003e\n                Online support is available if coding is required after installation. If you need help with setup or diagnostics, contact us and we will guide you through the next steps.\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n            \u003cp\u003eThis Haldex ECU is suitable for selected Volkswagen Group vehicles equipped with a 5th generation Haldex AWD system. Always verify the exact part number on your original module before ordering.\u003c\/p\u003e\n\n            \u003ch3\u003eVolkswagen\u003c\/h3\u003e\n            \u003cdiv class=\"compatibility-list\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003eVolkswagen Golf VII Alltrack\u003c\/li\u003e\n                    \u003cli\u003eVolkswagen Golf VII R\u003c\/li\u003e\n                    \u003cli\u003eVolkswagen Passat B8 Alltrack\u003c\/li\u003e\n                    \u003cli\u003eVolkswagen Tiguan (AD \/ BW)\u003c\/li\u003e\n                    \u003cli\u003eVolkswagen Arteon\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n\n            \u003ch3\u003eAudi\u003c\/h3\u003e\n            \u003cdiv class=\"compatibility-list\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003eAudi A3 8V Quattro\u003c\/li\u003e\n                    \u003cli\u003eAudi S3 8V Quattro\u003c\/li\u003e\n                    \u003cli\u003eAudi Q3 8U\u003c\/li\u003e\n                    \u003cli\u003eAudi TT \/ TTS (FV \/ 8S)\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n\n            \u003ch3\u003eŠkoda\u003c\/h3\u003e\n            \u003cdiv class=\"compatibility-list\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003eŠkoda Octavia III (5E 4x4)\u003c\/li\u003e\n                    \u003cli\u003eŠkoda Superb III (3V 4x4)\u003c\/li\u003e\n                    \u003cli\u003eŠkoda Kodiaq\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n\n            \u003ch3\u003eSEAT\u003c\/h3\u003e\n            \u003cdiv class=\"compatibility-list\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003eSEAT Ateca\u003c\/li\u003e\n                    \u003cli\u003eSEAT Tarraco\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"warning-box\"\u003e\n                \u003cstrong\u003eNot Sure About Compatibility?\u003c\/strong\u003e\n                If you are unsure whether this module fits your vehicle, send the VIN number or the printed number from your existing Haldex ECU and we will help verify fitment before you order.\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eCommon Diagnostic Fault Codes \u0026amp; Symptoms\u003c\/h2\u003e\n            \u003cp\u003eProblems with a defective Haldex control unit can commonly trigger the following symptoms or diagnostic issues:\u003c\/p\u003e\n            \u003cdiv class=\"fault-codes\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003e\n\u003ccode\u003eNo Communication\u003c\/code\u003e – AWD module not responding to diagnostics\u003c\/li\u003e\n                    \u003cli\u003e\n\u003ccode\u003e01324\u003c\/code\u003e – Control Module for All Wheel Drive (J492): No Communications\u003c\/li\u003e\n                    \u003cli\u003e\n\u003ccode\u003e01316\u003c\/code\u003e – ABS Control Module: Check DTC Memory \/ Intermittent fault\u003c\/li\u003e\n                    \u003cli\u003e\n\u003ccode\u003eESP \/ ABS\u003c\/code\u003e – Warning lights shown on the dashboard\u003c\/li\u003e\n                    \u003cli\u003eLoss of rear-wheel drive \/ AWD not working correctly\u003c\/li\u003e\n                    \u003cli\u003eIntermittent traction or drivetrain related faults\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eInstallation \u0026amp; Recommended Service\u003c\/h2\u003e\n            \u003ch3\u003eInstallation Steps\u003c\/h3\u003e\n            \u003cul style=\"margin-left: 20px; line-height: 1.85;\"\u003e\n                \u003cli\u003eVerify the exact OEM number on the original control unit before replacement\u003c\/li\u003e\n                \u003cli\u003eDisconnect the battery and safely access the rear differential Haldex module\u003c\/li\u003e\n                \u003cli\u003eRemove the old ECU and inspect the connector area for moisture or corrosion\u003c\/li\u003e\n                \u003cli\u003eInstall the replacement module and reconnect all plugs securely\u003c\/li\u003e\n                \u003cli\u003eClear stored fault codes and confirm communication with suitable diagnostics\u003c\/li\u003e\n                \u003cli\u003eCarry out coding or adaptation if required by the vehicle\u003c\/li\u003e\n                \u003cli\u003ePerform a test drive and confirm correct AWD engagement\u003c\/li\u003e\n            \u003c\/ul\u003e\n\n            \u003ch3\u003eRecommended During Replacement\u003c\/h3\u003e\n            \u003cul style=\"margin-left: 20px; line-height: 1.85;\"\u003e\n                \u003cli\u003eReplace Haldex oil during service\u003c\/li\u003e\n                \u003cli\u003eInspect wiring and connector condition\u003c\/li\u003e\n                \u003cli\u003eCheck for remaining AWD, ESP or ABS faults after installation\u003c\/li\u003e\n            \u003c\/ul\u003e\n\n            \u003cdiv class=\"warning-box\"\u003e\n                \u003cstrong\u003eOnline Technical Support Included\u003c\/strong\u003e\n                If the module requires coding assistance after installation, our technical team can help. Reach us at \u003cstrong\u003e\u003ca href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"cda4a3aba28daeacbfbee0a8aeb8e3aea2a0\"\u003e[email protected]\u003c\/a\u003e\u003c\/strong\u003e or use the contact button below.\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eQuality Assurance \u0026amp; Warranty\u003c\/h2\u003e\n            \u003cp\u003e\u003cstrong style=\"color:#E3FC02;\"\u003e12-Month Warranty:\u003c\/strong\u003e This used Haldex control unit is supplied with a 12-month functionality warranty and is tested before dispatch.\u003c\/p\u003e\n\n            \u003ch3\u003eWarranty Includes\u003c\/h3\u003e\n            \u003cul style=\"margin-left: 20px; line-height: 1.85;\"\u003e\n                \u003cli\u003eVerified working module functionality before shipping\u003c\/li\u003e\n                \u003cli\u003eBasic compatibility guidance before purchase\u003c\/li\u003e\n                \u003cli\u003eOnline support if coding assistance is needed after installation\u003c\/li\u003e\n            \u003c\/ul\u003e\n\n            \u003ch3\u003eWarranty Excludes\u003c\/h3\u003e\n            \u003cul style=\"margin-left: 20px; line-height: 1.85;\"\u003e\n                \u003cli\u003eIncorrect part ordering without number verification\u003c\/li\u003e\n                \u003cli\u003eDamage caused by wiring faults, moisture ingress or improper installation\u003c\/li\u003e\n                \u003cli\u003eVehicle-side hydraulic, drivetrain or electrical faults unrelated to the ECU itself\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section questions-help\"\u003e\n            \u003ch2\u003eQuestions or Need Help?\u003c\/h2\u003e\n            \u003cp\u003eIf you are unsure about compatibility, coding or installation, contact our technical team before ordering. We will help you verify the correct part number for your vehicle.\u003c\/p\u003e\n            \u003ca href=\"https:\/\/cars-ecu.com\/pages\/contact\" class=\"btn-contact\"\u003eContact\u003c\/a\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"info-section\"\u003e\n            \u003ch2\u003eImportant Purchase Information\u003c\/h2\u003e\n            \u003cul style=\"margin-left: 20px; line-height: 1.9;\"\u003e\n                \u003cli\u003ePlease verify the exact module number printed on your original unit before ordering.\u003c\/li\u003e\n                \u003cli\u003eWorldwide shipping is available. If your country is not shown at checkout, contact us directly.\u003c\/li\u003e\n                \u003cli\u003eReplacing Haldex oil during installation is recommended.\u003c\/li\u003e\n                \u003cli\u003eOnline support is available if the module requires coding assistance after installation.\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003cscript data-cfasync=\"false\" src=\"\/cdn-cgi\/scripts\/5c5dd728\/cloudflare-static\/email-decode.min.js\"\u003e\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Borgwarner","offers":[{"title":"Default Title","offer_id":53494892790093,"sku":null,"price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6945\/5181\/files\/1218917E-B963-400A-AEDB-2D0ED83AF29C.webp?v=1772892036","url":"https:\/\/cars-ecu.com\/products\/haldex-control-unit-0cq907554h-1","provider":"Cars-Ecu","version":"1.0","type":"link"}