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Re: When does a pcm need to be reprogrammed?
Posted to Technical Discussion Forum on 3/19/2008 1 Reply

I decided I didn't like the concept of leaving the used unit with incorrect VIN and mileage in memory, so I decided to reprogram and change the VIN.

That is a good practice when changing ECM/PCMs as some states I/M programs will r... Login to read more.

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