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Re: Programming Used PCM on GM
Posted to Technical Discussion Forum on 1/16/2021 3 Replies

There was a discussion here in the past. Someone directly read the data by directly hooking up to chips inside and found vin written in 2 spots in global a and one spot in non global. Sps only overwrote one and mismatch causes error. He copied original and dir... Login to read more.

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