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Home >> Oldsmobile >> 1999 >> Cutlass V6-3.1L VIN J >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> Body Control System Operation >> Class 2 Data Line
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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)