Diagnostic system bypass
Try this. It will re set the PCM, Powertrain Control Module. Remove the black-wired negative cable from the battery. Turn the ignition key to the "on/crank" position for 30 seconds, then put the ignition key to the "off" position. Reconnect the negative battery terminal. Turn the ignition key until the Durango starts and allow it to idle. Check the dashboard for the malfunction indicator light status.
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