--- product_id: 148487907 title: "Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554\"Programmed to Your VIN ECM PCM" brand: "flashmasters" price: "₨33026" currency: SCR in_stock: true category: "Automotive Parts and Accessories" url: https://www.desertcart.sc/products/148487907-flashmasters-2005-compatible-with-gmc-envoy-5-3l-engine-computer store_origin: SC region: Seychelles --- # Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554"Programmed to Your VIN ECM PCM **Brand:** flashmasters **Price:** ₨33026 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554"Programmed to Your VIN ECM PCM by flashmasters - **How much does it cost?** ₨33026 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/148487907-flashmasters-2005-compatible-with-gmc-envoy-5-3l-engine-computer) ## Best For - flashmasters enthusiasts ## Why This Product - Trusted flashmasters brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description This E.C.M. fits the following vehicles: 2005 5.3, 6.0 liter Ranier, Envoy, Envoy XL, SSR, Trailblazer, Trailblazer EXT, Trailblazer SS, Corvette, Saab 9.7x, Isuzu Ascender.Please contact us first if this is for a Pontiac GTO.This computer is compatible with service numbers 12597883 12578554.This auction is for one service number 12578554 ECM (Engine control module) that is programmed for your vehicleusing your V.I.N. (Vehicle identification number) to exactlymatch your vehicle. After you purchase the E.C.M. you will need to provide us with your V.I.N so thatwe can program the E.C.M. before we ship it to you.This computer is refurbished and tested for functionality. There is no core charge you keep your old E.C.M. There is a one year replacement warranty.Two things may have to be done after you install your E.C.M. First an anti-theft relearn may have to beperformed. If this is the case the vehicle will not start .The second thing is that a crankshaft variation relearn may need to be performed once the vehicle isrunning. This will be evident if the check engine or service engine soon light comes on once the vehicleis running. You will need access to a scan tool capable of doing this procedure to do this and clear any related trouble codes (CodeP0315). If this is not available to you a repair shop will have to perform this and clear therelated trouble code. The vehicle will run normal but the ”service engine soon” light will come on and atrouble code will be stored until this is resolved.Instructions for both procedures will be included.We will ship within one business day of payment.We use Alldatapro for our repair information. If you need diagnostic information please let us know and we can help. We are also a member of IATN (International automotive technicians netwoExported By ExportYourStore ## Features - Please send us a message with your VIN (vehicle identification number) , Other Part Number: 12597191 - Same day shipping if ordered before 2:00 EST , Brand: ACDelco - Any questions call: (513) 648-0444 Mon-Fri 10am-5pm EST , Warranty: Yes - Interchange Part Number: 12597883 - Manufacturer Part Number: 12578554 - ›See more product details ## Images ![Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554"Programmed to Your VIN ECM PCM - Image 1](https://m.media-amazon.com/images/I/519TUDuJNsL.jpg) ![Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554"Programmed to Your VIN ECM PCM - Image 2](https://m.media-amazon.com/images/I/41hEjJv40aL.jpg) ![Flashmasters 2005 Compatible with GMC Envoy 5.3L Engine Computer 12578554"Programmed to Your VIN ECM PCM - Image 3](https://m.media-amazon.com/images/I/41ClZoJ7BgL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/148487907-flashmasters-2005-compatible-with-gmc-envoy-5-3l-engine-computer](https://www.desertcart.sc/products/148487907-flashmasters-2005-compatible-with-gmc-envoy-5-3l-engine-computer) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-04-23*