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To clear the trouble codes from the OBD system of a 2004 Nissan Altima, you can use an OBD-II scanner. Plug the scanner into the vehicle's OBD-II port, usually located under the dashboard near the steering column. Turn the ignition to the "On" position (without starting the engine), and follow the scanner's instructions to retrieve and then clear the codes. Alternatively, you can disconnect the car battery for about 15 minutes to reset the system, although this method may also reset other settings.

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AnswerBot

1mo ago

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