RTT Indicators
Adaptive Steering
The message center provides the adaptive steering RTT to alert the driver to adaptive steering states and faults. Depending on the state, the adaptive steering RTT flashes amber, is solid amber or solid red. The IPC receives the adaptive steering message center request from the GWM over the HS-CAN3. The GWM receives the adaptive steering message center request from the SASM over the HS-CAN2.
Auto High Beam
The IPC provides the auto high beam RTT to inform the driver the auto high beam function is turned on and the high beam status may automatically change. The IPC receives the auto high beam indication request from the GWM over the HS-CAN3. The GWM receives the high beam indication request from the IPMA over the HS-CAN2.
Auto Stop-Start
The IPC provides the auto stop-start RTT along with multiple messages displayed at various times throughout the auto stop-start system operation to inform the driver of the system status and to provide direction for the driver intervention required. The IPC receives the stop-start standby indicator message from the GWM over the HS-CAN1. The GWM receives the stop-start standby indicator message from the PCM over the HS-CAN3.
The auto stop-start indicator informs the driver of the following states:
| Indicator Status | System Status |
|---|---|
| Solid green | The auto stop-start feature has temporarily turned off the engine. |
| Solid amber | A stop-start system concern exists. |
| Flash in either green or amber | A system state as determined by the PCM. |
| Grayed out | Indicates the auto stop-start feature is not available. |
The IPC receives the stop/start indicator request from the GWM over the HS-CAN3. The GWM receives the auto stop/start indicator request from the PCM over the HS-CAN1.
Blind Spot Monitoring System (BLIS®) Off
The IPC provides a RTT indicator to inform the driver that the Blind Spot Monitoring System (BLIS®) is turned off. The IPC receives the cross traffic alert left status, cross traffic alert right status, side obstacle detect status-left and side obstacle detect status-right messages from the GWM over the HS-CAN3. The GWM receives the cross traffic alert left status, cross traffic alert right status, side obstacle detect status-left and side obstacle detect status-right messages from the SODL and SODR over the MS-CAN.
Charging System
The IPC provides a charging system RTT indicator along with message displays indicating the status of the charging system. When a fault is present in the charging system, the BCM sends the battery low state of charge message to display message center warning messages and the charging system RTT indicator.
The IPC receives the battery low state of charge message from the GWM over the HS-CAN3. The GWM receives the battery low state of charge message from the BCM over the HS-CAN1.
Cruise Control
The IPC uses the following messaged inputs to control the cruise control RTT indicator:
- cruise control status
- cruise control set speed
- cruise control override
The IPC receives the cruise control messages from the GWM over the HS-CAN3. The GWM receives the cruise control messages from the PCM over the HS-CAN1.
Door Ajar
The IPC provides a door ajar RTT along with message displays to indicate the status of the doors. The BCM monitors each of the ajar inputs (driver, passenger, left rear, right rear and liftgate) and sends a door ajar status (driver door ajar status, passenger door ajar status, left rear door ajar status, right rear door ajar status or liftgate ajar status) message to the GWM over the HS-CAN1. The IPC receives the driver door ajar status, passenger door ajar status, left rear door ajar status, right rear door ajar status or liftgate ajar status messages from the GWM over the HS-CAN3 to display the specific ajar RTT and corresponding warning message.
Engine Over-Temperature
The IPC provides a message center warning indicator to alert the driver the engine is over temperature. The IPC receives the engine overheat indication request and the engine coolant temperature data from the GWM over the HS-CAN3. The GWM receives the engine overheat indication request and the engine over-temperature message from the PCM over the HS-CAN1.
Lane Keeping System Off
The IPC provides the lane keeping system off RTT to indicate the lane keeping system has been turned off or is disabled due to a fault condition. The IPC receives the lane keeping system status display message from the GWM over the HS-CAN3. The GWM receives the lane keeping system status display message from the IPMA over the HS-CAN2.
Low Fuel
To supplement the fuel gauge indication, the IPC provides the low fuel message center warning indicator. When the fuel level reaches approximately 1/16 tank or 1/8 tank for MyKey® users, the IPC turns on the low fuel message center warning indicator.
Low Oil Pressure
The IPC uses the oil pressure warning indicator request and engine rpm data to control the low oil pressure indicator. The engine oil pressure switch is hardwired to the PCM. The PCM provides the oil pressure warning indicator status request and the engine rpm data to the GWM over the HS-CAN1. The GWM provides the oil pressure warning indicator status request and engine rpm data to the IPC over the HS-CAN3. The IPC requires engine rpm above 400 rpm before the message center displays the low oil pressure RTT.
Low Washer Fluid Level
The low washer fluid level switch is hardwired to the IPC through a single signal circuit and is grounded through a separate ground circuit. The IPC provides a reference voltage to the washer fluid level switch. When the washer fluid is low, the washer fluid level switch closes to ground, pulling the reference voltage low. When the IPC detects the washer fluid input pulled low and illuminates the low washer fluid level RTT indicator.
Powertrain Malfunction (Wrench)
The IPC provides a powertrain malfunction (wrench) RTT indicator to indicate transmission, Electronic Throttle Control (ETC), AWD and BCM concerns.
The IPC receives all the required messages from the GWM over the HS-CAN3.
The GWM receives the body service required message from the BCM over the HS-CAN1.
The GWM receives the AWD service required, engine service required and transmission service required messages from the PCM over the HS-CAN1.
PRNDL/Progressive Range Select And SelectShift®
The progressive range select display provides a numerical display of the lower transmission ranges and indicates to the driver which gear is currently selected when the driver has manually shifted to a lower range (1, 2, 3, 4, 5 or 6). The SelectShift® display indicates to the driver which gear is currently selected when the transmission is in the SelectShift® mode. When the transmission is in SelectShift® mode, the gear number is displayed in the SelectShift® display area.
For additional information related to the progressive range select or SelectShift® features, refer to the Owner's Literature.
The IPC uses the following messages to control the PRNDL/progressive range select and SelectShift® indication.
- Battery shed level request
- Ignition status
- Transport mode
- Transmission gear display
- Transmission shift mode display
- Vehicle speed
The IPC receives all required messages from the GWM over the HS-CAN3.
The GWM receives the transmission gear position, transmission shift mode display and vehicle speed messages from the PCM over the HS-CAN1 and the ignition status, transport mode and battery shed level request messages from the BCM over the HS-CAN1.
The IPC also uses a park detect switch (part of the selector lever) input to signal the IPC the shift lever is fully seated in the PARK (P) position. The IPC compares the park detect switch input with the park status in the transmission gear position message sent from the PCM. The IPC provides a battery reference voltage to the park detect switch. When the selector lever is in PARK (P), the park detect switch routes the reference voltage to ground, pulling the circuit low to the IPC. When the selector lever is moved out of PARK (P), the park detect switch opens to ground, sending the reference voltage high.