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Home >> Oldsmobile >> 1998 >> Cutlass V6-191 3.1L VIN M SFI >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Body Control Module >> Description and Operation >> Body Function Controller Communication >> Class 2 Data Line
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Class 2 Data Line

Class 2 data is a higher speed data transmission. To control serial data line traffic, Class 2 uses the peer to peer method along with message arbitration to manage data line traffic. The control modules on the Class 2 data line are:
^ Body Function Controller (BFC)
^ Electronic Brake Control Module (EBCM)
^ Powertrain Control Module (PCM)
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