NHTSA Complaint #11709365 — 2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated that while driving at various speeds and hauling an RV, the trailer brakes intermittently became inoperable. The message "Trailer Brakes Disconnected - Check Trailer Wiring" was displayed. The contact replaced the trailer wiring; however, the failure persisted. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The vehicle was taken to the dealer, where it was diagnosed and determined that the HCU had failed, and the failure was related to the trailer brakes' failure. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue and informed the contact that the recall remedy was available. However, the dealer sent a document to the contact that stated that the part for the model year of the vehicle was not yet available. The failure mileage was approximately 82,000.