The contact owns a 2020 Jeep Wrangler. The contact stated while driving 35 MPH and decelerating while approaching a stop light, there was misfire coming from the engine, and the traction control activated, causing the brakes to become inoperable. The check engine warning light was illuminated. The Service START/STOP System message was displayed. The vehicle was taken to the local dealer, where it was diagnosed and determined there were metal shavings in the oil. The dealer recommended an engine replacement. The vehicle was not repaired. The manufacturer was contacted, and confirmed there was no warranty or recall coverage on the vehicle. The failure mileage was approximately 124,000.