{"product_id":"2003-2006-chevy-trailblazer-envoy-pcm-ecm-12573576-ydxx-4-2l-vin-programmable","title":"2003-2006 Chevy TrailBlazer Envoy PCM\/ECM 12573576 YDXX 4.2L VIN Programmable","description":"\u003cp\u003egenuine GM Engine Control Module (PCM\/ECM) with service part number 12573576 and calibration code YDXX . This module controls the engine operation, emissions, and powertrain functions on compatible GM vehicles with the 4.2 L inline-6 (256 cu in) engine. It is a direct fit replacement when the part number matches your original unit. This PCM should be programmed to your vehicle’s VIN for proper operation. Simply matching the number does not guarantee plug-and-play operation. Programming ensures the unit communicates correctly with your immobilizer and other vehicle systems. RETURN POLICY 30-Day Returns: Accepted if the item is returned in the same condition as shipped and includes all original hardware or accessories. Identification Mark: Each part is discreetly marked with a UV or tamper-proof identifier. The mark must remain intact and match the original item for a refund. Buyer Responsibility: It is the buyer’s responsibility to verify compatibility before purchase. Professional Installation: Strongly recommended to ensure proper function and to prevent damage. OEM Verification: All parts listed are OEM unless otherwise stated and have been verified for compatibility to the best of our ability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActual item shown:\u003c\/strong\u003e The photographs show the part offered for sale. Review every image for condition and included components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Match the OEM number, connectors, mounting points, and vehicle details before purchase. Use the Parts Request form when confirmation is needed.\u003c\/p\u003e","brand":"GM \/ ACDelco (OEM)","offers":[{"title":"Default Title","offer_id":50931088851191,"sku":"ebay-406505419069","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/8253\/8487\/files\/1_7803e381-8ce7-4dea-b6c2-0a2a96a2c462.jpg?v=1783757132","url":"https:\/\/lonestaroemparts.com\/products\/2003-2006-chevy-trailblazer-envoy-pcm-ecm-12573576-ydxx-4-2l-vin-programmable","provider":"Lone Star Parts \u0026 Supply","version":"1.0","type":"link"}