OBD port

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05-30-2018, 05:27 PM

lapardo

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OBD port

Where is the OBD port located in a 2004 Honda civic ex. Could something be plugged into it? If so is it safe to unplug it so I can get the codes for check engine light that came on.

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05-30-2018, 06:41 PM

toyomatt84

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Re: OBD port

Its under the dash on the driver's side. It looks like this:

Nothing is normally plugged into it, as it is meant for diagnostics.

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06-01-2018, 02:35 PM

thisguyaves

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Re: OBD port

Could have an aftermarket tuner (unlikely), GPS, or other accessory attached. If there's something in there, and you don't know what it is, find out...