Does a new body control module need programed on a 2000 Pontiac Montana?

Yes, a new body control module (BCM) typically needs to be programmed for a 2000 Pontiac Montana. The BCM is responsible for various electronic systems in the vehicle, and programming ensures that it communicates correctly with other modules and the vehicle's systems. This process usually requires specialized diagnostic tools or software that can access the vehicle's onboard computer systems.