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Discussion Starter #1
What would be causing my OBD port (DLC Port) to suddenly not communicate with my Allcomms or my hand held scanner? I checked the fuse in the glove box, I think it was F5 7.5amp but that wasn't blown.
 

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Discussion Starter #4
Worked fine 2 days ago, I haven't done anything to the car since. Went to plug in my hand held scanner yesterday and it wouldn't communicate with anything and then allcomms today when I remembered to bring my laptop in and still nothing. Not the fuse, not sure how something could have happened while its been sitting over a matter of 24 hours.
 

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Discussion Starter #5
Ok so I read that the Headlight ECUs can mess with the k-bus so I unplugged 1 at at time and I now can connect with the driver one unplugged!! Does that just mean I have a bad headlight ecu?
 

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if this is set up like most other cars, check to see what fuse powers it up. Most cars the fuse is called (home fuse) control radiator, interior lights etc. Do a search to see
 
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