Thanks. In a remote location so haven’t scanned yet. Will ASAP. Thinking electrical also.Are you coding for anything? Do you have a good scan tool? If not I’d bring it in and see if it’s coding for anything. Sounds electrical
Your problem could stem from something as simple as a vacuum leak to a major failure within the transfer case.
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Thank youIf you take the truck on trails it could have been a stick that caught a wire and loosened the pin connection on the connectors. Had it happen where hit a bump and things got wiered but no bumps all gravy. Found a wire was stretched just enough on one pin of a connector and it would jiggle loose on bumps. May be work checking the wire connector for the t-case more.