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How to Reset the Service Engine Light in a Chevrolet S10

by Katebo

You can reset the service engine light on your Chevrolet S10 by using an OBD-II scan tool. This on-board diagnostic tool can be purchased from your local auto parts retailer, although many such stores will check the code and reset the light at no charge.

The service engine light will turn on at regular intervals when your vehicle needs routine maintenance. After the maintenance is completed you will need to manually reset the light to turn it off. This is an easy adjustment that will only take a few moments.

Look for the OBD II port located near the emergency brake on the lower dashboard. The OBD II port will be the receptive end for the connector on the OBD II scanner tool. Examine the connector end of the tool and the receptive port to make sure you have the correct port. Plug the OBD II scanner tool into the port.

Close the doors, roll up the windows and turn on the OBD II scanner tool. Put the key into the ignition and turn it to "on," but take care not to start the engine. Turning the vehicle on will start the electrical system which will power the OBD II scanner tool and allow it to do its job. The engine needs to remain off for the scanner to work.

Wait for the screen on the scanner to stop flashing. The service engine light will have turned off. Turn the key in the ignition to "off" and unplug the scanner.

Restart the engine and verify that the service engine light is still off on the instrument panel. Turn off the car.


  • Make sure you reset the service engine light immediately after you perform the servicing of your vehicle to ensure that it will continue to keep proper track of your vehicle's future service needs.

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About the Author

Katie B. Marsh is a self-published author, article writer, screenwriter, and inventor. After graduating from South Coast College of Court Reporting, she worked as a congressional and freelance court reporter for eight years. She began her writing career in 2005. Her content may be found on,, and She completed her first screenplay in October 2009.

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