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)