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How to Reset the Computer on a Chrysler Town & Country

Updated February 21, 2017

You can reset the computer on your Chrysler Town & Country minivan in your garage, saving yourself a trip to the mechanic or dealership. When an indicator is illuminated on the vehicle's instrument cluster, an error code has been sent to the on-board diagnostics, or OBD, computer from a sensor. Error codes are used to diagnose problems with the Chrysler. You can reset error codes using an OBD scan tool. This small computerised device can be bought online or from any auto parts retailer. Make sure you reset the computer only after you have finished repairing or servicing the car or you may risk damaging the computer.

Locate the OBD port, which is the same size and shape as the scan tool's connective end; the port can be found on the underside of the driver's-side dash next to the steering column.

Plug the scan tool into the port. Put the key into the ignition and turn it to the "On" position, taking care not to start the engine. This will power on most scan tools; if it doesn't, locate the on-off switch on the tool and turn it on.

Wait for the scan tool to retrieve the codes. Locate the "Delete Codes" or "Erase Codes" command and select it. Wait for the tool to erase all codes.

Unplug the scan tool and start the engine. Check to make sure all lights have turned off on the instrument panel.

Tip

Many auto parts stores loan out scan tools so that customers can read and erase error codes.

Things You'll Need

  • Ignition key
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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 amazon.com, booksforsharing.com, and ezinearticles.com. She completed her first screenplay in October 2009.