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Help! HP Tuners keeps saying,"the interface was not found....

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Old Jun 14, 2008 | 05:51 PM
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Default Help! HP Tuners keeps saying,"the interface was not found....

or is not responding.Verify it is connected properly and that the vehicle's diagnostic port has power.Any help would be appreciated.Did confirm orange wire to pin #16 at the diagnostic port does have power to it.
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Old Jun 14, 2008 | 06:20 PM
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Is it an older style serial interface or usb interface?
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Old Jun 14, 2008 | 07:25 PM
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Problem installing USB driver???
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Old Jun 14, 2008 | 09:04 PM
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Will it connect to any other supported vehicles? I would make sure it wasn't a problem with HPT before tearing the car apart.
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Old Jun 14, 2008 | 10:55 PM
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USB interface,what USB driver? No it did the same thing on my 99 Silvarado.Even uninstalled HP and reinstalled,no change.Frustrated!!!
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Old Jun 16, 2008 | 07:12 PM
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VEEE8 Hit the nail on the head.USB drivers were not installed.Searched for new hardware install wizard found HP Interface but no drivers were installed.Put the HP Tuners CD back in the CD drive and installed drivers.THANKS FOR THE HELP!
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Old Jun 16, 2008 | 07:53 PM
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Been there done that!
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