OBD port

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May 30, 2018 | 05:27 PM

lapardo

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Joined: May 2018

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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.

May 30, 2018 | 06:41 PM

toyomatt84

Sanji

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Joined: Apr 2005

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From: ALL BLUE

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.

Jun 1, 2018 | 02:35 PM

thisguyaves

Honda-Tech Member

Joined: May 2018

Posts: 520

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From: Cental North Carolina

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...