WHAT IS BODY CONTROL MODULE (BCM)?
The Body Control Module (BCM), which is the heart of the vehicle electrical architecture, integrates a fused electrical bus center for power distribution and a body computer in a single module. This integration concept is designed to streamline and optimize wiring and wiring connections by removing redundant power feeds, increase the sharing of fusing, and to fully utilize the capability of electronics and module foundation by including multiple functions within the same housing thereby re-using microcontroller, power supply, transient protections, housing, brackets, etc.The BCM contains the following main parts:Electronic Body Function Controller - Many of the body and light functions are controlled by the BCM.Switching and Fuse Block - The BCM will handle fusing and switching of loads in the vehicle. Electromechanical relays or power MOSFETs are used for the switching.Electrical Junction and Distribution Block - The BCM acts as a connection block between several cable harnesses. https://fcc.report/FCC-ID/M3N74295202/2212791.pdf
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