2018 Nissan Titan electrical system problems

I am experiencing engine stalling. I have also experienced dome light flickers or not turning on on occasion along with radio and phone charge connection not always working, like a short of some sort. Also the mirror button allowing the driver and passenger side mirrors to open close sometimes fails as if wiring is OK sometimes and other times not There is not an exact date for the issues as they have occurred on and off since 2019 I did take the truck into Nissan 11/2023 as the radio blacked out and would not…

The contact owns a 2018 Nissan Titan. The contact stated while driving at approximately 35 MPH, several unknown warning lights started to illuminate off and on. The contact then stated that while the vehicle was in the idle position, the RPMS revved, increased, and decreased continuously. The vehicle was towed to the dealer where it was diagnosed that the electrical harness needed to be replaced. The battery and accelerator pedal was replaced.