Tips on how to Reset the Fault Code on a Jeep Cherokee

    1

    Pull the release lever to open the hood from inside the vehicle automotive diagnostic tool. The lever is situated underneath the steering wheel on the dashboard.
    2

    Open the hood and place the support rod into position to prop up the hood.
    3

    Remove the nut connecting the negative battery terminal to the battery, using an open end wrench.
    4

    Allow the computer to reset. This will take roughly 30 minutes.
    5

    Reconnect the negative terminal to the battery. Tighten the bolt using an open end wrench.
    6

    Close the hood and start the engine. If the check engine light re-appears, there is still a problem with the engine that must be addressed.