How to Clear Codes From a Jeep Grand Cherokee

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    • 1). Pop the hood on the Jeep Grand Cherokee by lifting the lever under the dashboard.

    • 2). Release the lever under the front of the hood, and lift up the hood.

    • 3). Locate the battery. It will be on the passenger's side, directly behind the headlight.

    • 4). Place an adjustable wrench around the bolt that is securing the negative battery clamp.

    • 5). Adjust the wrench until it fits tightly around the bolt.

    • 6). Loosen the negative battery clamp, and remove it.

    • 7). Hold the negative battery clamp away from the battery and wait one minute.

    • 8). Place the negative battery clamp back onto the negative battery terminal.

    • 9). Tighten the clamp until it is securely on the negative battery terminal again.

    • 10

      Start the Grand Cherokee.

    • 11

      Verify that the "Check Engine" light no longer is on.

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