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How do I replace my ECM

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2009 Volvo s40 2.4i 5cyl. Non turbo. Auto. Fwd. I bought a used ECM with matching numbers. Can the used one be programmed to my VIN# and my key.

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It is a common misconception that you can use another used ECM on your vehicle as long as the numbers match. 

It must be programmed to your vehicle VIN number by a mechanic. Otherwise, the vehicle immobilizer/anti theft system will not let you run the vehicle.

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