Where is diagnostic port located 2003 Tahoe LT

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Mr_Magoo

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Mar 16, 2014
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Hello,
I'm new to this forum. So glad I found it. I have a quick question, where is the port to hook up a scanner code reader? My engine light is on. Many thanks for the help.
2003 Tahoe Lt w/ 150,000 miles.
Kind Regards..
 

Ont240

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Most Gm are near the steering column at the bottom edge of the dash
this is 07-13 section of the forum. you might want to use the year appropriate section. Go home to find it.
 
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