Radio Power: Notes
WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
The main radio power is supplied by a 15A fuse located in the RBEC. The radio does not require a discrete ignition feed circuit for power moding. The power moding is accomplished using a structure of virtual networks (VN). The Power Mode Master (PMM) transmits the GMLAN power mode signals.
The radio supports the following signals:
- System Power Mode
- Infotainment Operation Allowed
The radio also supports the following GMLAN Vehicle Power Modes:
- OFF
- ACCESSORY
- RUN
- CRANK REQUEST