I have a 2014 GMC Sierra 1500 SLT 4wd with 140,000 miles on it. I was pulling into my neighborhood the other day and was slowly turning right when the truck shut completely off. No power. I parked the truck and tried to start it back up and nothing. not even a click of the starter. After about 5 minutes the truck was able to start and started back up just fine. Once it started, I now had a “Service 4WD” icon on the dash and now my truck is stuck in 4WD. To be clear the truck was in Auto Mode when the truck shut off. I cleaned the battery ground and checked the TCCM fuse and it was good. On the 4WD dial the auto spot has a yellow light but none of the other options will light up. When I do start the truck the 4Low dial spot will have a red light and then go off. Please let me know if you have any ideas.
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