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Re: gm b1001 config code , vin not in pcm
Posted to Technical Discussion Forum on 4/19/2021 3 Replies

You may have to use a Tech 2 (actual tooling, not the tech 2 WIN method). The laptop transfer rate is too high for many of these older beasts. A Tech2 passthrough, or remote will usually work here. I have never had an issue with the actual Tech 2 getting a VIN... Login to read more.

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