External Controls - System Operation and Component Description: Notes
WARNING: This page is about a different car, the 2021 Lincoln Nautilus. However, it is still accessible from the selected car via links, so may be relevant.
System Diagram
Network Message Chart
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Brake switch position | BCM | Input from brake switch necessary to change gears. |
| Gear data | GSM | Message sent to PCM which gear is commanded. |
| Gear confirmation | PCM | Input to GSM confirming gear selection. |
| PRND mode | IPC | Used for PRND display. |
| Gear command | PCM | Input to change gears. |
| Key in ignition status | BCM | Input used to change gears. |
| Vehicle lock status | BCM | Input used to move transmission out of P. |
| Seat belt buckle data | RCM | Input from seat belt buckle to determine driver presence. |