FAQ: How do I reset the "Check Engine" Light?
After you've properly diagnosed and fixed the problem that triggered the OBD trouble code, you can reset or clear the Check Engine / Service Engine Soon light by one of two methods.
Note: The code (i.e. CEL / SES light) will usually go away after a certain number of driving cycles, perhaps a few days. You can choose to wait it out or follow one of these methods.
The cheap, easy, free method
Simply disconnect your battery, turn on the headlight switch for about five to ten minutes, and re-connect the battery. This is pretty simple, but will likely result in you losing your radio presets and perhaps some other small things like that.
Using a scan tool
Most if not all scan tools have an option to clear or reset codes without the use of any tools or touching the battery. Consult your tool's manual for information on how to do it with your particular model.
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