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How to Reset the Check Engine Light of the Chrysler

by Brooke Julia

The check engine light on a Chrysler illuminates when the engine experiences trouble and triggers an error code stored within the computer. It's inadvisable to reset the check engine light if the underlying problem hasn't been addressed. If you do, the light will simply come back on. Retrieve the error code and tackle the problem before attempting to reset the light. How the light resets depends on the make, model and year of your Chrysler.

Let the light reset itself. When the engine trouble has been fixed, a Chrysler engine resets the "Check Engine" light automatically after 40 successful runs. If it doesn't reset, the problem likely still exists.

Force the computer into "Successful Run" mode. Start the Chrysler and drive forward a few feet, then put it in reverse and go backward a few feet. Do this three times and shut the engine off. Crank it again to see if the light has been cleared.

Disconnect the battery for several minutes. This resets everything in the vehicle, including the clock and radio settings. Reapply the radio settings and adjust the time when the battery is reconnected.

Use a diagnostic scanner to clear the codes. Connect the scanner to the test port, also called the ALDL (Assembly Line Diagnostic Link) usually located under the dash (see Resources section). Turn the engine "On" and follow the prompts on the scanner to pull the engine codes. Select the option to clear them.

Tip

  • Take your Chrysler to an auto parts store such as Auto Zone or Pep Boys to have the codes pulled and reset free of charge.

Items you will need

About the Author

Brooke Julia has been a writer since 2009. Her work has been featured in regional magazines, including "She" and "Hagerstown Magazine," as well as national magazines, including "Pregnancy & Newborn" and "Fit Pregnancy."

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