ECU Programming and you
Why an ECU needs to be re-programmed? Some ECU’s on cars need to be re-programmed to work with the car because of what’s known as an engine immobilizer. These immobilizers are what make the car not start when someone is trying to steal a car or replacing an ECU. It basically shuts all power down to the car until the original ECU is put back into the car or the correct key is used to start the car.
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