Network Message Chart
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Module Network Input Messages - BCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS start request target data | PCM | The PCM sends the BCM and the ABS module a challenge request for a valid ID. |
| PATS start request target data | SOBDMC | The SOBDMC (if equipped) sends the BCM a challenge request for a valid ID. |
| RKE data | RTM | The RTM sends the BCM programmed passive key information. |
Module Network Input Messages - IPC
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Vehicle mode | BCM | Used by the IPC to display "No Key Detected" when the START/STOP button is pressed and no programmed key is detected within the vehicle. |
Module Network Input Messages - PCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS control command | BCM | The response from the BCM supplying the PCM target 1 challenge ID. If the BCM ID response is incorrect, then PATS prevents the vehicle from starting. |
Module Network Input Messages - SOBDMC (if equipped)
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS control command | BCM | The response from the BCM supplying the SOBDMC target 2 challenge ID. If the BCM ID response is incorrect, then PATS prevents the vehicle from starting. |
ABS Module Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Immobilizer target 1 function | PCM | The immobilizer subtarget function sends a response message to the target 1 challenge message from the PCM. |