The contact owns a 2017 Ram 2500. The contact stated that after starting the vehicle, the check engine warning light remained illuminated. The contact stated that a diagnostic scanner was used to retrieve DTC: P2609; which indicated a failure in the intake air heater system. The vehicle was not yet repaired. The local dealers were contacted and indicated that the part was not available to order. No further information was available. The manufacturer was not yet contacted regarding the failure or parts availability. The failure mileage was 123,200.