{"product_id":"abs-module-communication-fault-repair-chip-40210-fix-lost-communication-u0121-error-code","title":"40210 – Fix Lost Communication \u0026 U0121 Error Code, ABS Module Communication Fault Repair Chip","description":"\u003cp\u003eThe 40210 is a specialized communication repair IC designed for ABS (Anti-lock Braking System) control module failure diagnosis and restoration. It targets the common \"lost communication\" issue between the ABS ECU and the vehicle's main computer (PCM\/ECM), which typically triggers U0121 and other CAN bus-related DTCs (Diagnostic Trouble Codes).\u003c\/p\u003e\n\u003cp\u003eWhen the ABS module fails to communicate over the vehicle's CAN network, the ABS warning light illuminates and the system may become inoperative. The 40210 chip is intended for professional-level repair of the ABS computer board's internal communication circuit, providing a targeted solution for technicians restoring proper network handshake between modules.\u003c\/p\u003e\n\u003cp\u003eKey Applications:\u003c\/p\u003e\n\u003cp\u003e    ABS control module internal communication circuit repair\u003c\/p\u003e\n\u003cp\u003e    Addressing U0121: Lost Communication with ABS Module\u003c\/p\u003e\n\u003cp\u003e    Restoring CAN bus communication between ABS ECU and PCM\/ECM\u003c\/p\u003e\n\u003cp\u003e    Solving \"ABS Module No Communication\" or \"CAN Timeout\" faults\u003c\/p\u003e\n\u003cp\u003eSuitable For:\u003c\/p\u003e\n\u003cp\u003e    Professional automotive electronics repair technicians\u003c\/p\u003e\n\u003cp\u003e    ECU\/ABS module rebuilding and remanufacturing services\u003c\/p\u003e\n\u003cp\u003e    Automotive diagnostic and repair workshops\u003c\/p\u003e\n\u003cp\u003eNote: Professional installation and diagnostic equipment required for proper repair validation.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45183289917549,"sku":null,"price":9.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/40210-3.webp?v=1778232269","url":"https:\/\/qlnova.com\/products\/abs-module-communication-fault-repair-chip-40210-fix-lost-communication-u0121-error-code","provider":"Qlnova","version":"1.0","type":"link"}