{"product_id":"dorman-599-051-hvac-control-module","title":"Dorman 599-051 HVAC Control Module","description":"\u003ch2\u003eDorman 599-051 HVAC Control Module\u003c\/h2\u003e\u003cp\u003eRestore climate control operation with this Dorman HVAC control module for automatic temperature systems. Built as a fully tested replacement for the original unit, it addresses failed electronic climate controls in select Chevrolet Silverado and GMC Sierra trucks.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAutomatic control type for vehicles with automatic temperature control\u003c\/li\u003e\n\u003cli\u003e4 connectors, 56 terminals, female connector design\u003c\/li\u003e\n\u003cli\u003eBlack housing with bolt-on mounting style\u003c\/li\u003e\n\u003cli\u003eProgramming required after installation\u003c\/li\u003e\n\u003cli\u003eDirect replacement for select GM HVAC control applications\u003c\/li\u003e\n\u003cli\u003ePart number 599-051 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 599-051 is an HVAC control module for automatic climate systems in 2007-2009 Chevrolet Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, Silverado 3500 HD, and 2007-2009 GMC Sierra, Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD applications. It is intended to replace a malfunctioning original module and restore control of cabin heating and air conditioning functions. This part number, 599-051, is a practical OE-style solution for Silverado and Sierra trucks that use a 56-pin, bolt-on module layout.\u003c\/p\u003e\u003cp\u003eThis part cross-references GM OE numbers 15116312 and 15952373 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUnresponsive temperature or fan controls\u003c\/li\u003e\n\u003cli\u003eIntermittent HVAC operation\u003c\/li\u003e\n\u003cli\u003eLoss of automatic climate regulation\u003c\/li\u003e\n\u003cli\u003eDisplay or control input issues tied to the HVAC module\u003c\/li\u003e\n\u003cli\u003eFailed original control module in Silverado and Sierra trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProgramming is required after installation. Verify connector count, terminal count, and automatic temperature control configuration before replacement. This module uses a bolt-on mounting design and does not include an instruction manual, mounting hardware, or wire harness. Confirm vehicle fitment by year, make, model, and HVAC system configuration before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis Dorman replacement module is fully tested before release to support reliable operation in the specified GM truck applications. It is built for direct replacement use in compatible Chevrolet Silverado and GMC Sierra models listed above.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52776259518645,"sku":"BKKY-599-051","price":585.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_599051_Fro.jpg?v=1783493922","url":"https:\/\/www.partcatalog.com\/products\/dorman-599-051-hvac-control-module","provider":"PartCatalog","version":"1.0","type":"link"}