Network Message Chart
WARNING: This page is about a different car, the 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
BCM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS start request target data | PCM | The PCM sends the BCM a challenge request for a valid ID. |
PCM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS control command | BCM | The response from the BCM supplying the PCM challenge ID. If the BCM ID response is incorrect, then PATS prevents the vehicle from starting. |