Network Message Chart
BCM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Vehicle speed | ABS module | Provides the BCM with the vehicle speed. The vehicle speed data is used for autolock and auto-unlock. |
| Driver door latch status | DDM | Provides the BCM with the lock/unlock status of the driver door latch. The lock/unlock status is used for the illumination of the door lock status indicator. |
| Driver rear door latch status | DDM | Provides the BCM with the lock/unlock status of the driver rear door latch. The lock/unlock status is used for the illumination of the door lock status indicator. |
| Passenger front door latch status | PDM | Provides the BCM with the lock/unlock status of the passenger front door latch. The lock/unlock status is used for the illumination of the door lock status indicator. |
| Passenger rear door latch status | PDM | Provides the BCM with the lock/unlock status of the passenger rear door latch. The lock/unlock status is used for the illumination of the door lock status indicator. |
| Passive key status | RFA module | Provides the BCM with the passive key data. The data contains information such as if a passive key has been detected, how many were detected, battery status and if it is a programmed key. |
| Passive central lock command | RFA module | Provides the BCM with keyless entry request data. The BCM uses this data to lock or unlock the doors based on the keyless entry request. |
| RKE data | RFA module | Provides the BCM with the RKE commands. |
DDM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Central lock command | BCM | Provides the DDM with a command to lock or unlock the door. The DDM sends the lock or unlock command to the Driver Rear Door Module (DRDM). |
PDM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Central lock command | BCM | Provides the PDM with a command to lock or unlock the door. The PDM sends the lock or unlock command to the Passenger Rear Door Module (PRDM). |
RFA Module Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Central lock status | BCM | Provides the RFA module with the current lock or unlock status of the doors. |