The OEM 05 Dodge Ram 1500 Engine Control Module (ECM) is a crucial component for controlling the engine's performance in your vehicle. Manufactured by Dodge, Chrysler, Jeep, and Ram, this ECM features the manufacturer part numbers P56028892AC and P56028942AD. It is important to note that this product may contain chemicals known to the State of California to cause cancer, as indicated by the California Prop 65 Warning. Trust in this authentic OEM part to maintain the engine control system in your vehicle.