{"product_id":"2017-2019-cadillac-xts-3-6l-ecu-ecm-12666070-vin-programmed","title":"2017-2019 Cadillac XTS 3.6L ECU ECM Engine Computer 12666070 VIN Programmed","description":"\u003c!-- Product Title Banner --\u003e\n\u003cdiv style=\"background-color: #1a1a2e; color: #ffffff; font-family: Bevan, Georgia, serif; font-size: 22px; text-align: center; padding: 14px 20px; margin-bottom: 24px; line-height: 1.5;\"\u003e2017–2019 Cadillac XTS 3.6L Engine Control Module (ECU\/ECM) 12666070 – VIN Programmed Replacement Unit\u003c\/div\u003e\n\u003c!-- Description Block --\u003e\n\u003cdiv style=\"padding: 0 10px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"text-align: justify; font-size: 16px; line-height: 1.8;\"\u003eWe Ship Worldwide. This \u003cstrong\u003eVIN Programmed Engine Control Module (ECU\/ECM) 12666070\u003c\/strong\u003e is a dependable OEM replacement unit designed for 2017–2019 Cadillac XTS 3.6L vehicles. Each unit is used, fully tested, and programmed to your vehicle’s VIN before shipping to ensure proper compatibility and reliable performance.\u003c\/p\u003e\n\u003cp style=\"text-align: justify; font-size: 16px; line-height: 1.8;\"\u003eUsed item. Please check the PART # of the item you need prior to purchase. The part number on the purchased item must match the part number on the original part in order to work with the vehicle.\u003c\/p\u003e\n\u003cp style=\"text-align: justify; font-size: 16px; line-height: 1.8;\"\u003eMost of our parts are used so they may have some light scratches and marks on the surface. Any major damage is always noted. This unit comes programmed to your vehicle's VIN, please make sure to send us your vehicle VIN number in the \"note to seller\" section at checkout or as a message to seller.\u003c\/p\u003e\n\u003cp style=\"text-align: justify; font-size: 16px; line-height: 1.8;\"\u003eIf you have any problem with the item that you purchase please contact us. Our top priority is to help our customers. Please ask all questions prior to purchase.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePlease remove the one year and two year warranty from the product page. We will give a lifetime warranty with a core return and a $200 extra.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eFREE SHIPPING!!!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- What's Included --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e📦\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 32px; font-weight: bold;\"\u003eWHAT'S INCLUDED\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ 1x Engine Control Module (ECU\/ECM)\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ VIN Programming Service\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ Fully Tested OEM Used Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Compatibility --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e🚘\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 32px; font-weight: bold;\"\u003eCOMPATIBILITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 2017–2019\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Cadillac\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e XTS\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 3.6L\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 12666070\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Why Choose Us --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e⭐\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 30px; font-weight: bold;\"\u003eWHY CHOOSE US?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ VIN Programmed before shipping\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ Fully tested for functionality\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ OEM replacement quality\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ Free Shipping Included\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ Worldwide Shipping Available\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e✓ Customer support available before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- VIN Required --\u003e\n\u003cdiv style=\"background-color: #f5f5f5; border-left: 4px solid #00bcd4; padding: 14px 18px; margin-bottom: 28px;\"\u003e\n\u003cstrong style=\"font-size: 17px;\"\u003e🔔 Important – Vehicle Information Required\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eTo properly VIN program your module before shipment, please provide the following information after purchase:\n\u003cul style=\"margin-top: 10px; margin-bottom: 0;\"\u003e\n\u003cli\u003eVehicle Identification Number (VIN)\u003c\/li\u003e\n\u003cli\u003eMileage\u003c\/li\u003e\n\u003cli\u003eTransmission Type\u003c\/li\u003e\n\u003cli\u003eDescription of Vehicle Problem\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eSend this information in the \"note to seller\" section at checkout or message us after purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Common Symptoms --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e⚠️\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 30px; font-weight: bold;\"\u003eCOMMON SYMPTOMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● Check Engine Light\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● No start or hard starting issues\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● Poor engine performance\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● Communication issues with modules\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● Stalling or intermittent operation\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0;\"\u003e● Fuel or ignition control faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Shipping --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e🚚\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 36px; font-weight: bold;\"\u003eSHIPPING\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cp style=\"text-align: justify; line-height: 1.8;\"\u003eOrders are processed within 1–3 business days (Monday–Friday). Delivery is typically 1–3 business days after dispatch. Free worldwide shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Returns --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e🔄\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 36px; font-weight: bold;\"\u003eRETURNS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cp style=\"text-align: justify; line-height: 1.8;\"\u003eReturns are accepted within 14 days of purchase. Items must be returned in original condition with original packaging and order details included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Important Notes --\u003e\n\u003cdiv style=\"border-top: 2px solid #cccccc; padding-top: 28px; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 20px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"background-color: #00bcd4; border-radius: 50%; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;\"\u003e\u003cspan style=\"font-size: 36px; color: #ffffff;\"\u003e⚙️\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan style=\"font-family: Bevan, Georgia, serif; font-size: 36px; font-weight: bold;\"\u003eIMPORTANT NOTES\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0 10px;\"\u003e\n\u003cp style=\"text-align: justify; line-height: 1.8;\"\u003ePlease verify that part number \u003cstrong\u003e12666070\u003c\/strong\u003e matches your original ECU before purchase. Compatibility is strictly based on part number. We recommend professional installation and programming if required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cadillac","offers":[{"title":"Default Title","offer_id":47450139033855,"sku":"EB-177479950414","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/5368\/5247\/files\/57_75e8b2ef-4a4d-4fdb-b9a7-180ee936ed64.jpg?v=1761922349","url":"https:\/\/www.dieselacs.com\/products\/2017-2019-cadillac-xts-3-6l-ecu-ecm-12666070-vin-programmed","provider":"Automobile Computer Solutions ","version":"1.0","type":"link"}