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Service engine soon -- codes

Hi everybody,

I'm hoping that someone here might be able to help. I have a 97 GMC Jimmy (S series) and I've got to get looked at because of the service engine soon light.

What I'm wondering, is there some place on the Internet (or elsewhere), where one can obtain the data structures and protocols used by GMC? Better yet would be something that could simply be installed and used, but being a programmer I figured that if I could at least get my hands on the specs for this stuff I'd probably be able to write the program myself.

Can one find these things anywhere?

Andy

Reply to
Andrew Falanga
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I would wager that is an ODB-II system. Most auto parts stores will pull the codes for you for no charge. Or pick up a code reader for yourself. Or search the net with your favorite search engine and you'll likely get lots of hits on the subject.

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Roger Brown

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"Doc"

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Andrew Falanga

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dplessor

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