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International Automotive Technicians Network
Re: 2002 Explorer Stays in 4x4 Low
Posted to Technical Discussion Forum on 10/4/2004

No it has to be done in the vehicle. If you don't have a WDS or NGS or a way to manually enter as built data it will need to go to the dealer. There have been some VIN mismatched modules installed as well but yours just sounds like it is a bad module. Login to read more.