Class 2 Serial Data Line
Data link is a ring/star configuration with discrete lines entering and leaving each module. This allows communications to modules on ring if one of two discrete circuits is open. A total list of control modules on class 2 serial data circuit can include these following:
- Body Control Module (BCM)
- Continuously Variable Road Sensing Suspension (CVRSS) Module
- Electronic Brake Control Module (EBCM)
- Heating Ventilation Air Conditioning (HVAC) Control Module
- HVAC Control Processor
- Instrument Panel Cluster (IPC)
- Memory Mirror Module (MMM)
- Memory Seat Module (MSM)
- Powertrain Control Module (PCM)
- Radio
- Radio Interface Module (RIM)
- Sensing And Diagnostic Module (SDM)
- Remote Control Door Lock Receiver (RCDLR)
- Vehicle Interface Unit (VIU)