Network Message Chart
RFA Module Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS control command | PCM | The PCM sends the RFA module a challenge request for a valid ID. |
PCM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS start request target data | RFA module | The response from the RFA module supplying the PCM challenge ID. If the RFA module ID response is incorrect, then PATS prevents the vehicle from starting. |