Posts Tagged: BCM body control module

BCM body control module

What does a BCM body control module do? A body control module (BCM) is a computer used to control electrical items in a car or truck which used to be controlled individually by switches. Car makers switched to this design for several reasons: to reduce overall vehicle weight by reducing the size and quantity of copper wire used, to monitor and control power usage, to allow for remote operation and diagnostics. BCM can switch power to lights For example, in non-computerized vehicles, the power for headlights was supplied by a … Read More