{"product_id":"professional-duramax-6-6l-lly-glow-plug-module-repair-service","title":"Professional Duramax 6.6L LLY Glow Plug Module Repair Service","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch1\u003eChevrolet\/GMC 6.6L Duramax LLY Glow Plug Control Module Repair Service\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8973796350\u003cbr\u003e\u003cstrong\u003eInterchange Part Numbers:\u003c\/strong\u003e 97304030, 97379635, 0522150901\u003cbr\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e Chevrolet Silverado 2500HD\/3500HD \u0026amp; GMC Sierra 2500HD\/3500HD\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.6L Duramax LLY\u003cbr\u003e\u003cstrong\u003eService Type:\u003c\/strong\u003e Repair \u0026amp; Rebuild Service\u003cbr\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime Warranty\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThis is a repair service for your original Chevrolet or GMC 6.6L Duramax LLY Glow Plug Control Module (GPCM). At \u003cstrong\u003eAutomobile Computer Solutions (ACS)\u003c\/strong\u003e, we repair your existing module by diagnosing and correcting common internal failures that can cause glow plug system malfunctions, hard starting, and cold-start performance issues.\u003c\/p\u003e\n\u003cp\u003eAfter receiving your module, our technicians will inspect, test, and repair failed components before performing final quality-control testing to verify proper operation.\u003c\/p\u003e\n\u003ch3\u003eCommon GPCM Problems We Repair\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHard start or no-start conditions\u003c\/li\u003e\n\u003cli\u003eExtended crank times\u003c\/li\u003e\n\u003cli\u003eGlow plug warning light illuminated\u003c\/li\u003e\n\u003cli\u003eCheck Engine Light (CEL)\u003c\/li\u003e\n\u003cli\u003eGlow plug circuit fault codes\u003c\/li\u003e\n\u003cli\u003eOne or more glow plugs not being activated\u003c\/li\u003e\n\u003cli\u003eIntermittent glow plug operation\u003c\/li\u003e\n\u003cli\u003eInternal module failures\u003c\/li\u003e\n\u003cli\u003eWater or corrosion-related damage\u003c\/li\u003e\n\u003cli\u003eCommunication and power output issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your symptoms are not listed above, please contact ACS before ordering.\u003c\/p\u003e\n\u003ch3\u003eHow the Service Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePurchase the repair service.\u003c\/li\u003e\n\u003cli\u003eShip your Glow Plug Control Module to ACS.\u003c\/li\u003e\n\u003cli\u003eOur technicians diagnose and repair the unit.\u003c\/li\u003e\n\u003cli\u003eThe module is tested for proper operation.\u003c\/li\u003e\n\u003cli\u003eYour repaired module is returned ready for installation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBenefits of Repairing Your Original Module\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRetains your factory-installed unit\u003c\/li\u003e\n\u003cli\u003eNo programming required\u003c\/li\u003e\n\u003cli\u003eEliminates compatibility concerns\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacement\u003c\/li\u003e\n\u003cli\u003eProfessionally repaired and tested\u003c\/li\u003e\n\u003cli\u003eBacked by a Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500HD 6.6L Duramax LLY\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500HD 6.6L Duramax LLY\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500HD 6.6L Duramax LLY\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500HD 6.6L Duramax LLY\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eACS Quality Guarantee\u003c\/h3\u003e\n\u003cp\u003eEvery repaired module undergoes comprehensive testing before shipment to ensure proper glow plug control, voltage output, and overall functionality. Our goal is to provide a reliable repair that restores your Duramax's cold-start performance and dependability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is a repair service for your original Glow Plug Control Module. You must send your module to ACS for repair. If your unit is determined to be beyond repair, replacement options may be available. Contact us for details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Automobile Computer Solutions ","offers":[{"title":"Default Title","offer_id":48728042176767,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/5368\/5247\/files\/2346753c-58e7-4f3b-87ca-1f3e6ea1043a.png?v=1782097526","url":"https:\/\/www.dieselacs.com\/products\/professional-duramax-6-6l-lly-glow-plug-module-repair-service","provider":"Automobile Computer Solutions ","version":"1.0","type":"link"}