GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Problem with Diagnostics port

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Old Jul 19, 2002 | 11:26 PM
  #1  
XLR8NSS's Avatar
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Default Problem with Diagnostics port

Well, I tried to hookup my Atap to the truck today. For some reason Atap will not connect with the truck computer. I've tried the port setup deal and still nothing. <img border="0" title="" alt="[Sad]" src="gr_sad.gif" /> I know my Atap module is still good because I can hook it up to my car with no problems.

I was planning on checking the continuity of the Diagnostic port wires to see if there is a problem. I'm assuming the five wires that run from the port go to the computer under the fuse box? If so does anyone know the pin numbers of the wires? I can trace them out but, if anyone knows it would be much easier. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

Thanks

John
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Old Jul 22, 2002 | 07:09 PM
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Default Re: Problem with Diagnostics port

Did you get it fixed?

Check the cig lighter fuse. I blew mine and couldn't hook up with ls1edit. Blown fuse was the problem. Don't remember where the fuse was b/c my friend found the problem and swapped the fuse while I was sitting in the truck.
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Old Jul 22, 2002 | 07:39 PM
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Default Re: Problem with Diagnostics port

Yeah, about 5 minutes ago. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

I went out and checked the cigarette lighter fuse and BAM, it was blown. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

I replaced it and Atap hooked up like a champ. Then I get to see code P0157(Transmission code) staring me in the face. <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" />

Thanks for the tip.

Its been like 100+ degrees around here the last couple of days and unless I can fix something from inside the truck with the A/C on, it ain't getting fixed. <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" /> <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

John
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