2003 Buick Rendezvous Can't get codes

2003 BUICK RENDEZVOUS
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AED123
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2003 Buick Rendezvous Automatic

I currently am having problems with my vehicle having the check traction system light on (and anti-lock break/traction off). It does not come on directly but does after a little time. My husband has attempted to take my vehicle to AutoZone and to a mechanic )he knows personally) to get the codes read by the machine. For some reason he said we are unable to retrieve the codes. That the hookup has no power. How would I fix this so that I am able to read the codes? How do I make the hookup have power? Thank you!
Jun 14, 2009 at 8:38 AM
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2CARPRO JACK
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Usa a test light to check all fuses, the diagnostic connector is piggy backed to a fuse in the interior fuse panel.
Jun 14, 2009 at 8:46 AM
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AED123
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Would this provide a different answer than using a fuse diagnostic kit? We have already used a diagnostic kit 2 times with no fuses coming back bad.
Jun 14, 2009 at 11:31 AM
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2CARPRO JACK
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I have never seen a fuse tester kit before, but if that is what it is designed to do, then it must be ok.Did you test the fuses in the underhood panel? Inside there is fuse 32 (20 amp) it is the one that powers the diagnostic connector
Jun 15, 2009 at 9:40 AM