Class 2 Data Line

Class 2 data is a high speed data transmission. In order to control serial data line traffic, class 2 uses the peer to peer method along with message arbitration in order to manage the data line traffic. The class 2 data line includes the following control modules:
^ The Body Control Module (BCM)
^ The Electronic Brake Control Module (EBCM)
^ The Powertrain Control Module (PCM)
^ The Sensing And Diagnostic Module (SDM)