obd2 cable port not working!!!

Discussion in 'General Chevy & GM Tech Questions' started by bama2010z71, Feb 8, 2011.

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  1. bama2010z71

    bama2010z71 New Member

    i tried to hook my tuner back in to my truck today and the obd2 port is not owrking. i plugged it in to my uddies truck which is the same model and everything and the tuner turned on but not on my truck. anyone know what could be causing it?
  2. murdog94

    murdog94 New Member 1000 Posts 100 Posts

    Check your cigarette lighter fuse... This powers the OBD II port.
  3. bama2010z71

    bama2010z71 New Member

    for some odd reason when i tried to hook my predator tuner back in to my obd2 port it wont work, i hooked it up in my buddies truck and it works fine so its something to do with my obd2 port or something. if anyone has had this problem or think they may know please help. its a 2010 silverado z71
  4. murdog94

    murdog94 New Member 1000 Posts 100 Posts

    **************threads merged***********
  5. bama2010z71

    bama2010z71 New Member

    i replaced both the aux 1 and aux 2 fuses and it still doesnt work. is there another port inder the hood maybe?
  6. murdog94

    murdog94 New Member 1000 Posts 100 Posts

    Im not familiar with the fuses on the NNBS trucks. but there should be one in the listing that has the OBD port mentioned.

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