Body Control System Description and Operation: Notes

WARNING: This page is about a different car, the 2007 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The body control system consists of the following 2 modules:

The dash integration module (DIM)
The rear integration module (RIM)

Each of the 2 body control modules integrate a number of functional systems. Each module is connected to the class 2 serial data circuit, many of the control signals are implemented by class 2 messages.