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Re: Programming Used PCM on GM
Posted to Technical Discussion Forum on 1/17/2021

Well, you can play the EEPROM dance if you'd like. It's hit or miss. Just get a virgin PCM (or whatever module) and go from there. I've tried multiple times on Global 'A' vehicles, and it just ain't worth my time or trouble...the EEPROM thing is a hit or miss ... Login to read more.