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Pontiac Forum: ODB II Connector not communicating
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  #11  
Old September 13th, 2016, 04:43 PM
Aero_Dave Aero_Dave is offline
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Quote:
Originally Posted by melsg5 View Post
did anybody check the cigarette lighter fuse that powers the port?
After some additional research, I will be checking that one and the 3 for the HVAC that could also cause this problem.

Dave...
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  #12  
Old September 14th, 2016, 03:10 PM
Aero_Dave Aero_Dave is offline
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Ok, I have the car today. I've checked ALL fuses and they are good. There is power to the OBD II port, but the scanner just says 'Linking Error' so its unable to communicate with car.
Any other ideas?

Thanks,
Dave...
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  #13  
Old September 14th, 2016, 05:50 PM
Aero_Dave Aero_Dave is offline
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FYI, I have solved my issue. After disconnecting the battery for 30 minutes, I still couldn't communicate with my OBD II port. Then I checked the two clip-connected connectors on the BCM. I removed the top one, everything looked good. Then I removed the one on the left side. Again everything looked good. But after this, I tried one-more-time, just for the heck of it. BOOM! I can now read my (really my sister's) car.
Not sure why the issue 'really' was, but its working.
So if you are having communication issues, just removing the 2 connectors on your BCM. Maybe you'll get lucky too.

Dave...
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  #14  
Old September 15th, 2016, 10:39 AM
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melsg5 melsg5 is offline
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glad to hear you solved it, any evidence of water corrosion on the connectors?
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  #15  
Old September 15th, 2016, 12:47 PM
Aero_Dave Aero_Dave is offline
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Originally Posted by melsg5 View Post
glad to hear you solved it, any evidence of water corrosion on the connectors?
Nope, all connectors looked good.

Dave...
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