TRACTOR-TRAILER COMMUNICATION SYSTEM

A communication system, including: a trailer module disposed on a cargo trailer, the trailer module including a trailer identification number for the cargo trailer; a tractor module disposed on a cargo tractor, the tractor module to electrically couple to the trailer module; and a communications bus to couple the trailer module to the tractor module when the trailer is coupled to the tractor, wherein, when coupled to the tractor module, the trailer module communicates the trailer identification to the tractor module.