Driver Warning Indicators
The BCM sends requests to the instrument panel cluster (IPC) to turn the PC indicators ON or OFF These requests are sent on the Class 2 serial data line. If the IPC can not communicate with the BCM via Class 2 the IPC will turn the Security telltale ON steady. The list of messages sent by the BCM to the IPC are as follows:^ Tow/Haul
^ Park Brake
^ Seat Belt
^ High Beam