NHTSA Complaint #11704900 — 2023 RAM 1500

Going up I-20 to get a load of wood for barns. I noticed when I got to the saw mill I could not select the trailer brake through the radio.. Trailer brakes are stuck on Light electric, I have had the trailer grounds checked and the magnets to the brakes on the trailer replaced. Again, Trailer brakes are stuck on Light electric and cannot select the heavy electric/ heavy over hydraulic/ light over hydraulic. Stellantis group finally told the dealership that they know about the problem but there is no fix for it yet. This was the purpose of purchasing this vehicle as a work truck with the trailer tow package. They have replaced everything that pertains to the trailer brakes. The BCM, the trailer brake module twice, and even the radio. The wiring has been checked it only puts out 6.5 volt at the plug. Brake type is greyed out.