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Re: Me,the tool or the truck?
Posted to Technical Discussion Forum on 8/12/2009 2 Replies

Hi Again Mike,

The missing codes show up when entering the truck as GMC Sierra, not the Sierra Classic. Is this the new body style? That quite possibly could be what is wrong as there is a listing for a "Sierra" and a "Sierra Classic" on the Tech 2. Login to read more.

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