Driver Warning System

The BCM is responsible for the following functions:
1. Interpreting all of the driver warnings sent by the control modules on the class 2 serial data line
2. Sending the information to the instrument cluster in the form of a SPI serial data bus message

The following list of messages are sent by the BCM to the Instrument Cluster:
^ Fuel gauge position
^ Temperature gauge position
^ Oil pressure
^ Low engine coolant
^ Check oil
^ Volts
^ ABS
^ High beam
^ Low fuel
^ High temperature
^ Washer fluid level low
^ CRUISE
^ BRAKE
^ SERVICE VEHICLE SOON
^ Door ajar
^ Seat bell
^ THEFT SYSTEM
^ PRNDL