NHTSA Complaint #11484787 — 2017 RAM 2500

The vehicle randomly goes into 4WD without the user turning the knob to request 4WD. If this happens at high speed it will cause severe damage to the vehicle drive train. Makes steering extreemly difficult on pavement. 1. Service 4WD lamp illuminates. 2. Reduced speed and exited highway. 3. Steered vehicle to off ramp. Upon steering left vehicle entered 4WD without user request making steering very difficult. Vehicle would not return to 2WD unless user shut down vehicle, turn knob to 4WD then back to 2WD. Investigated by certified RAM technician at a dealership on 5/11/2]22 who could not find the issue. The dealership cleared the truck for ordinary use. Currently the vehicle status is service 4WD light is on and it will not shift to 4WD or 2WD. 2 incidents one in 1 June 2021 2 September 2022