Network Message Chart
Module Network Input Messages - IPC
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Battery low state of charge | BCM | Input used to control the charging system RTT indicator. Input used to display the check charging system warning message. Input used to display the load shed messages. |
| Battery shed level request | BCM | Input used to control the PRNDL based on the battery load shed state. |
| Body service required request | BCM | Input used for the BCM controlled system faults input to control the powertrain malfunction (wrench) RTT indicator. |
| Brake fluid level low message request | BCM | Input used to display the low brake fluid level message center message. Input used to display the electronic parking brake message center warning messages. |
| Brake (red) warning indicator request | ABS module | Input used to display the message center brake system messages. Input used to display the electronic parking brake message center warning messages. |
| Check fuel fill inlet message request | PCM | Input used to display the check fuel fill inlet message. |
| Cruise control status | PCM | Input used to control the cruise control RTT indicator and message display based on the system status. |
| Cruise control set speed | PCM | Input used to indicate the cruise control set speed display. Input used to display the digital speedometer. |
| Door latch control-left front | DCME (driver front door latch) | Input used to control the electronic door latch warning message display. |
| Door latch control-right front | DCME (driver front door latch) | Input used to control the electronic door latch warning message display. |
| Driver door ajar status | BCM | Input used to control the door ajar RTT indicator. Input used to display the driver door ajar warning message. Input used to display the engine on warning message. Input used to display the PRNDL not in park warning message |
| Engine coolant temperature data | PCM | Input used to control the engine temperature status display. Input used to control the over-temperature RTT indicator. Input used to display the engine over-temperature warning message. |
| Engine oil temperature data | PCM | Input used to control the engine oil temperature status display. |
| Engine overheat indication request | PCM | Input used to control the engine temperature status display. Input used to control the over-temperature RTT indicator. Input used to display the engine over-temperature warning message. |
| Engine rpm data | PCM | Input used to control the low oil pressure RTT indicator. Input used to display the low engine oil pressure warning message. |
| Engine service required request | PCM | Input used for the powertrain Electronic Throttle Control (ETC) component to control the powertrain malfunction (wrench) RTT indicator. |
| Fuel flow volume display | PCM | Input used to calculate the Average Fuel Economy (AFE) and DTE. |
| Gearshift module service required request | GSM | Input used for the gear shift system faults input to control the powertrain malfunction (wrench) RTT indicator. |
| Rear hatch ajar status | BCM | Input used to control the rear hatch ajar RTT indicator. Input used to display the rear hatch ajar warning message. |
| Hill start assist status | ABS module | Input used to display the hill start assist not available message. |
| Hood ajar status | BCM | Input used to control the hood ajar RTT indicator. |
| Ignition status | BCM | Ignition RUN, START and accessory states required for the IPC operating modes and fault reporting. Input used to control the PRNDL. Input used to display the PRNDL not in park warning message. |
| Immobilizer message request | BCM | Input used to display the passive entry and push button start messages (no key detected, place key in backup slot, restart now, key programming and accessory power active). |
| Keycode status | BCM | Input used to display the factory keycode when requested by the driver. |
| Launch control mode | PCM | Input used to control the launch control RTT indicator. |
| Odometer count | PCM | Input used to display the odometer. Input used to calculate the Average Fuel Economy (AFE) and DTE. |
| Outside air temperature data | HVAC module | Input used to control the frost RTT indicator. |
| Parking brake chime request | BCM | Input used to display the parking brake applied message. |
| Parking brake message request | ABS module | Input used to display the electronic parking brake messages. |
| Passenger door ajar status | BCM | Input used to control the door ajar RTT indicator. Input used to display the passenger door ajar warning message. |
| Perimeter alarm chime request | BCM | Input used to display the perimeter alarm message when the vehicle is entered before deactivating the perimeter alarm. Input used to display the reduced guard popup allowing the driver to select the desired alarm setting while exiting the vehicle. |
| Powertrain cooling message request | PCM | Input used to display the reduced power to cool the engine message. |
| Stability-traction control chime request | ABS module | Input used to control the service Advance Trac® and traction control off warning displays. Input used to control the traction control on/off status messages. |
| Starting system fault message request | PCM | Input used to display starting system fault message. |
| Steering lock status | BCM | Input used to control the steering lock fault message. |
| Steering wheel message center switch data | SCCM | Input used to control the message center functions. |
| Tire pressure placard data | BCM | Input used to display specific tire pressures by location. |
| Tire pressure system status | BCM | Input used to display specific tire training instructional messages. Input used to display TPMS fault messages. Input used to display specific tire pressure by location. |
| Tire pressure warning indicator | BCM | Input used to control the TPMSRTT indicator. |
| Transmission gear display | TCM | Input used to control the PRNDL display. Input used to display the engine on warning message. |
| Transmission gear display mode | TCM | Input used to control the PRNDL display. Input used to display the engine on warning message. |
| Transmission service required | TCM | Input used for the transmission component to control the powertrain malfunction (wrench) RTT indicator. Input used to control the transmission fault RTT indicator. |
| Transport mode | BCM | Input used to control the Average Fuel Economy (AFE)/DTE display. Input used to indicate whether the vehicle is set in transport mode. Input used to display the PRNDL not in park warning message. Input used to display the appropriate message and power down items such as the PRNDL at key off to conserve the battery. |
| Turbo boost data | PCM | Input used to control the turbo boost status display. |
| Vehicle dynamic suspension | VDM | Input used to control the vehicle dynamics suspension (damper control) RTT indicator. |
| Vehicle speed | PCM | Input used to control the PRNDL. Input used to display the PRNDL not in park warning message. Input used to display the overspeed RTT indicator (Gulf Coast Countries [GCC] only). |