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This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2009 Buick Allure PCM models with a 3.8L engine size and matching part number 12604959. This module belongs to the hardware code 12600930. Our 2009 Buick Allure ECM will come programmed to your vehicle’s specific VIN allowing all internal modules to properly communicate with each other. In addition to this, your unit will come flashed to its most recent updates which will enhance its fuel economy and optimize the performance of your vehicle. Our experienced staff of in-house mechanics utilize off-board testing to ensure each and every unit passes stringent quality control tests to ensure that they are working at peak performance. No additional programming will be required upon installation. Our 2009 Buick Allure ECM is programmed to accept your original keys. This will enable your vehicle to start immediately after a simple key cycling procedure. No locksmith will be required to program your keys. Replacing your module can now be done in the comfort of your own driveway allowing you to avoid costly dealership rates and avoid the inconvenience of towing your vehicle to a mechanic. From amateur to master technicians, installation has never been easier!