INSTRUMENT PANAL UTILITY BLOCK

  • Tiny
  • BigJames
  • 2002 GMC Yukon
  • 111,000 miles

When I connect a dianostic tool to my truck. It doesn't connect/ read that its connected on the screen. I tried it on another yukon and it worked just fine. Could it Be a fuse or do I need another connecter. Or !

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Wednesday, August 31st, 2011 AT 7:16 PM

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  • Tiny
  • mhpautos
  • Expert
  • 30,587 posts

Is your check light coming on with the ignition? If so I would clean the OBD connector with contact cleaner and if still no connection, try a different scanner.

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Wednesday, August 31st, 2011 AT 10:45 PM

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