{"title":"Cab Control Module","description":"\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eGenuine OEM Cab Control Modules\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe cab control module manages many of the functions drivers interact with directly — dash gauges, lighting, wipers, and accessory switches — so a fault here shows up fast in the cab. Signs include gauges that read incorrectly, lights or accessories that stop responding, warning codes that won't clear, or switches that work intermittently. Generic modules rarely match the exact software and pinout the manufacturer programmed, which can cause components to malfunction or fail to communicate at all. That's why every cab control module in this collection is genuine OEM, matched to the manufacturer's original part number.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhat's in this category\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis collection covers genuine OEM cab control modules for heavy-duty trucks and equipment, built to the exact software calibration and connector configuration the original electrical system requires. New listings are added regularly as inventory expands.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy order your cab control module here\u003c\/h4\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGenuine OEM only\u003c\/strong\u003e — every module is matched to the manufacturer's original part number, not a generic equivalent\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBuilt for accurate fitment\u003c\/strong\u003e — listings include the exact OEM number so you can verify the right part before you buy\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFast turnaround\u003c\/strong\u003e — ships quickly to restore full cab function and keep your vehicle running reliably\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eFAQ\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eWhat does a cab control module do?\u003c\/em\u003e\u003c\/strong\u003e It manages electrical functions inside the cab, coordinating dash gauges, lighting, wipers, and accessory switches through the vehicle's electrical network.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eSigns of a failing cab control module?\u003c\/em\u003e\u003c\/strong\u003e Inaccurate gauge readings, lights or accessories that stop working, warning codes that won't clear, or switches and controls that respond intermittently.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eGenuine OEM or aftermarket?\u003c\/em\u003e\u003c\/strong\u003e All parts here are genuine OEM — no generic substitutes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eHow do I find the right cab control module?\u003c\/em\u003e\u003c\/strong\u003e Check the part number on your current module, or reference it in your service manual for the correct system configuration, then search that number above.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBrowse the full selection below, or search by OEM part number to find your exact match.\u003c\/p\u003e","products":[{"product_id":"q21-1139-019-019-genuine-paccar-vecu2-cab-control-module","title":"Q21-1139-019-019 Genuine Paccar VECU2 Cab Control Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"205\" data-end=\"603\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Q21-1139-019-019 is a genuine Paccar VECU2 cab control module designed for electronic control functions within a compatible commercial truck electrical system. As part of the vehicle's electronic control architecture, this module handles communication and control tasks associated with its assigned cab functions, working with connected vehicle circuits according to the installed VECU2 configuration.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"632\" data-end=\"746\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan\u003eThe Q21-1139-019-019 Paccar VECU2 cab control module serves as an electronic interface for assigned vehicle cab functions, using the truck's existing control network and electrical connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eProcesses electronic inputs associated with the configured vehicle cab control functions\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eExchanges operational information with compatible modules through the vehicle communication network\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eDirects assigned electrical control commands according to the installed VECU2 configuration\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eIntegrates into the designated cab electronics architecture and associated wiring circuits\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eSupports coordinated operation between connected vehicle systems and electronic control equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eRequires matching controller configuration for correct communication with existing truck electronics\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 147.45px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6099%;\"\u003e\n\u003ccol style=\"width: 70.2128%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 10.25px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eQ21-1139-019-019\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePaccar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCab Control Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModule Designation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVECU2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Electronic Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFitment Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1579\" data-end=\"2015\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Q21-1139-019-019 should be installed after confirming the existing VECU2 module designation, inspecting the electrical connectors and wiring terminals, and checking the controller mounting location for damage or moisture intrusion. Once the module is connected, follow the applicable Paccar service procedures to determine whether vehicle-specific configuration or programming is required and verify communication with the associated electronic systems.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"2025\" data-end=\"2165\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify the original controller part number, VECU2 hardware configuration, electrical connector arrangement, vehicle control network compatibility, and programming requirements before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44124839510079,"sku":"Q21-1139-019-019","price":1267.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/s-l1600_1a9a0805-1531-4d2c-8cb9-53d8add1804c.webp?v=1792084765"}],"url":"https:\/\/linetruckparts.com\/collections\/cab-control-module.oembed","provider":"Line Truck Parts","version":"1.0","type":"link"}