Engine Replacement / ECM Question
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Alright...this may be a stupid question, and if so I apologize. I have the opportunity to pick up a vehicle in need of a new engine, but in good condition otherwise, and a donor engine. My question is in regards to the ECM/BCM. If both ECM and BCM are from the same vehicle, will they need to be reprogrammed? Are there any other potential electronic/programming issues with an engine swap I should be aware of? I searched, but none of the engine swap threads discuss any of these potential issues. For the record, I am not doing the engine swap myself; that exceeds my mechanical ability, I just want to know what to expect. Thanks
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