Power Mode Description and Operation: Notes
WARNING: This page is about a different car, the 2005 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
Power to many of this vehicle's circuits are controlled by the module that is designated the Power Mode Master (PMM). This vehicle's PMM is the Dash Integration Module (DIM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active. In this vehicle the Rear Integration Module (RIM) assist the DIM in controlling the RAP power mode.