Warning Messages

The message center warning messages alert the operator to possible concerns or malfunctions in the vehicle operating systems. Warning messages are generally associated with other observable outputs of the IPC (gauges, informational indicators and RTT indicators. For example, when the ABS module detects a low brake fluid condition, the ABS module sends the IPC a request through the GWM to illuminate the brake warning indicator and a request to display the LOW BRAKE FLUID message in the message center. This allows the message center to be a more informative supplement to the IPC gauges and indicators.

AWD 

The message center provides AWD message center messages to provide shifting instructions and inform the driver of the status of the AWD system. The IPC receives the AWD status display request message from the GWM over the HS-CAN3. The GWM receives the AWD status display request message from the AWD over the HS-CAN1.

Active Park Assist 

The message center provides a warning message when a fault is detected in the active park assist system. The IPC receives the active park assist warning message request from the GWM over the HS-CAN3. The GWM receives the active park assist warning message request from the IPMB over the HS-CAN2.

ACC 

The message center provides messages explaining the need for driver intervention and system status. The adaptive cruise control messages are supplemental to the cruise control RTT indicator and the adaptive cruise control warning chime. The IPC receives the adaptive cruise control warning request message from the GWM over the HS-CAN3. The GWM receives the adaptive cruise control warning request message from the IPMA over the HS-CAN2.

Adaptive Steering 

The message center provides the adaptive steering messages to inform the driver of system faults. Depending on the state, the message can be either informational or warning. The IPC receives the adaptive front steering message center request message from the GWM over the HS-CAN3. The GWM receives the adaptive front steering message center request message from the SASM over the HS-CAN2.

Adaptive Headlamps 

The message center provides the adaptive headlamp fault message to inform the driver of a fault with the adaptive headlamps. The IPC receives the adaptive headlamp fault message from the GWM over the HS-CAN3. The GWM receives the adaptive headlamp fault message from the HCM over the HS-CAN1.

Auto Stop-Start 

The message center provides additional instructions for driver intervention or warning messages when a fault in the auto stop/start system is detected. The IPC receives the stop start warning message request from the GWM over the HS-CAN3. The GWM receives the stop start warning message request from the PCM over the HS-CAN1.

BLIS/ CTA 

The message center provides messages indicating the reason for the BLIS/ CTA fault. The IPC receives the cross traffic alert left sensor status, cross traffic alert right sensor status, side obstacle sensor status-left and side obstacle sensor status-right messages from the GWM over the HS-CAN3. The GWM receives the cross traffic alert left sensor status, side obstacle sensor status-left, cross traffic alert right sensor status and side obstacle sensor status-right messages from the SODL and SODR, respectively, over the MS-CAN.

Brake Applied - Power Reduced 

The message center provides a warning message to inform the driver that power is being reduced because the brake pedal is being pressed while the accelerator pedal is pressed. The IPC receives the brake pedal applied message from the GWM over the HS-CAN3. The GWM receives the brake pedal applied message from the PCM over the HS-CAN1.

Brake System 

The IPC provides brake system messages for the following concerns and status:

• Low brake fluid level.
• Electric parking brake status and faults
• ABS concerns that display along with the brake warning indicator operation.

When the electric park brake is selected, the ABS module sends the brake lamp request and park brake (red) warning indicator request to the GWM over the HS-CAN2. The GWM sends the brake lamp request and parking brake (red) warning indicator request to the IPC over the HS-CAN3 to illuminate the brake warning indicator and display the electric parking brake messages.

When a low brake fluid level condition exists, the ABS module sends the brake lamp request message request to the GWM over the HS-CAN1. The GWM sends the message to the IPC over the HS-CAN3 to illuminate the brake warning indicator and turn on the brake fluid level low message in the message center.

When an ABS or parking brake system concern exists, the ABS module sends the parking brake (red) warning indicator request message to the GWM over the HS-CAN2. The GWM sends the parking brake (red) warning indicator request message to the IPC over the HS-CAN3 to illuminate the ABS warning indictor and to turn on the check brake system message center warning display.

Charging System 

The message center provides a warning message 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 the GWM over the HS-CAN1. The IPC receives the battery low state of charge message from the GWM over the HS-CAN3.

Door, Hood or Liftgate Ajar 

The IPC provides door, hood and liftgate ajar warnings to indicate the status of the doors, liftgate and hood. The IPC receives the driver door ajar, passenger door ajar, left rear door ajar, right rear door ajar status, liftgate ajar status and hood ajar status messages from the GWM over the HS-CAN3. The GWM receives the driver door ajar, passenger door ajar, left rear door ajar, right rear door ajar status, liftgate ajar status and hood ajar status messages from the BCM over the HS-CAN1. The BCM monitors each of the ajar inputs and sends the specific door ajar status message to the IPC to display the ajar warning indicator and corresponding warning message.

Electronic Latch System and Child Locks 

As part of an advanced electronic door latching system, the message center provides electronic latching system fault, instructional and status messages to inform the driver of the system status. The message center also provides child lock status messages to inform the driver of the child lock state.

The IPC receives all required messages from the GWM over the HS-CAN3. The GWM receives the door latch control-left front message from the DCME, the door latch control-right front message from the DCMF, the door latch control-left rear message from the DCMG, and the door latch control-right rear message from the DCMH over the MS-CAN.

The GWM receives the lock system message request from the BCM over the HS-CAN1.

EPAS 

The message center provides a message to indicate there is an EPAS system concern. When a fault exists in the EPAS, the PSCM sends the EPAS failure message to the GWM over the HS-CAN2.

The IPC receives the EPAS failure message from the GWM over the HS-CAN3.

Engine Oil Life 

The instrument cluster provides messages to inform the driver about the engine oil life status, engine oil life reset status and when an engine oil change is required. The duration of the interval between engine oil changes is calculated in the PCM and varies due to driving conditions. The PCM assumes a base mileage of 16, 090 km (10, 000 mi) or 1 year for normal driving. However, this number is adjusted down for conditions such as high engine temperature, high engine rpm, use of flex fuel and possibly low engine oil level. The PCM calculates and provides the engine oil life percent message to the IPC. The engine oil change minder can be reset at any time by the driver.

The IPC receives the engine oil life message from the GWM over the HS-CAN3. The GWM receives the engine oil life message from the PCM over the HS-CAN1.

The PCM receives the engine oil life data reset message from the GWM over the HS-CAN1. The GWM receives the engine oil life data reset message from the IPC over the HS-CAN3.

Engine Over-Temperature 

The message center provides the engine coolant over-temperature warning message to supplement the engine over-temperature RTT indicator and 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.

Factory Keycode 

The message center can display the original factory keycode when requested. The IPC receives the keycode status message from the GWM over the HS-CAN3. The GWM receives the keycode status message from the BCM over the HS-CAN1. For information on how to retrieve the factory keycode, Refer to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .

Factory-Transport Mode 

During vehicle build, some modules, such as the IPC and the BCM, are set in factory mode. While in the factory mode the IPC displays FACTORY MODE CONTACT DEALER in the message center. If the vehicle is set in factory mode, the system does not automatically exit the mode and must be manually set to either the transport or normal operation mode.

When the vehicle build is complete, the vehicle is set to transport mode. While in transport mode, the IPC displays TRANSPORT MODE CONTACT DEALER in the message center. Transport mode is used to reduce the drain on the battery during longer periods where the vehicle is not used. Various systems may be altered or are disabled when in the transport mode. The vehicle automatically reverts to normal operation mode after being driven 201 km (125 mi).

The IPC receives the transport mode message from the GWM over the HS-CAN3. The GWM receives the transport mode message from the BCM over the HS-CAN1.

Forward Collision 

If a fault is detected with the forward collision system, the message center provides the forward collision warning messages to inform the driver of the system status. The IPC receives the forward collision warning message request from the GWM over the HS-CAN3. The GWM receives the forward collision warning message request from the IPMA over the HS-CAN2.

Front Camera Malfunction 

When a fault is present with the front camera the IPMA sends the front camera display status message to the GWM over HS-CAN2. The IPC receives the front camera display status message from the GWM over the HS-CAN3.

Fuel System 

The IPC provides fuel system messages for the following concerns and status:

• Check fuel fill inlet message (gas) - warns the driver there is a problem with the fuel fill inlet pipe resulting in a significant evaporative emission leak following vehicle refueling
• Fuel door opening (PHEV) - informs the driver to wait approximately 15 seconds while the fuel system depressurizes
• Fuel door open (PHEV) - informs the driver the fuel system has depressurized and it is safe to refuel
• Refuel system status display (PHEV) - displays when the fuel system fails to depressurize or the fuel filler door fails to open
• Fuel maintenance mode display (PHEV) - displays when the engine needs to run to maintain fuel freshness
• Check fuel door to avoid check engine light (PHEV) - displays as a reminder to close the fuel door

The IPC receives the check fuel fill inlet message request, refuel system status display message and fuel maintenance mode display message from the GWM over the HS-CAN3. The GWM receives the check fuel fill inlet message request, the refuel system status display message and the fuel maintenance mode display message from the PCM over the HS-CAN1.

HDC 

The message center provides HDC warnings to inform the driver of the system status and when driver intervention is required. The ABS sends the hill descent control indicator request message to GWM over HS-CAN2. The IPC receives the hill descent control indicator request message from the GWM over the HS-CAN3.

Hill Start Assist 

The message center provides hill start assist warnings to inform the driver the system is unavailable. The IPC receives the hill start assist status message from the GWM over the HS-CAN3. The GWM receives the hill start assist status message from the ABS module over the HS-CAN2.

Lane Keeping System 

The message center provides a warning message for the lane keeping alert and system fault messages for the lane keeping system. The IPC receives all required messages from the GWM over the HS-CAN3. The GWM receives the lane keeping system hands off display message, the lane keeping system status display and the camera status display message from the IPMA over the HS-CAN2.

Load Shed 

The message center provides load shed messages to inform the driver to use less options to conserve battery voltage. 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.

Low Engine Oil Pressure 

The message center provides a low engine oil pressure warning message to inform the driver the engine oil pressure is low. The message supplements the IPCRTT warning indicator. The IPC receives the engine oil pressure warning indicator request message from the GWM over the HS-CAN3. The GWM receives the engine oil pressure warning indicator request message from the PCM over the HS-CAN1.

Low Engine Use Mode (PHEV) 

The message center provides a message informing the driver the Electric Vehicle (EV) functionality has been turned off and the engine is running in order to maintain engine oil quality, due to low engine operation. The IPC receives the engine on message display message from the GWM over the HS-CAN3. The GWM receives the engine on message display message from the PCM over the HS-CAN1.

Memory Seat 

The message center displays messages to inform the driver a selected memory position has been saved or the memory recall is not permitted while the vehicle is in motion. The IPC receives the memory command and memory command drive status messages from the GWM over the HS-CAN3. The GWM receives the memory command and memory command drive status messages from the DSM over the MS-CAN.

MyKey® 

The IPC provides a number of MyKey® related warnings and status messages to indicate restrictions imposed on the MyKey® user. These include MyKey® active, park aid, speed limits, and buckle up warnings among others. MyKey® displays are controlled through the IPC software based on the MyKey® settings configured through the center stack display and the type of key in use (MyKey® or administrator key). The MyKey® function also uses other messages received by the IPC for other indications such as vehicle speed for speed limiter displays.

Neutral Tow 

The message center provides towing system messages to indicate the status of the neutral tow feature when the neutral tow system is enabled and the vehicle is capable of free-rolling. The IPC receives the neutral tow status message from the GWM over the HS-CAN3. The GWM receives the neutral tow status message from the PCM over the HS-CAN1.

Off Road Mode 

The message center provides messages informing the driver the vehicle is entering or exiting off road mode. The IPC receives the AWD status display request from the GWM over the HS-CAN3. The GWM receives the AWD status display request from the AWD module over the HS-CAN2.

Parking Aid System 

The IPC provides messages to indicate the status of the parking aid system. The IPC receives the parking aid front status and parking aid rear status messages from the GWM over the HS-CAN3. The GWM receives the parking aid front status and parking aid rear status messages from the IPMB (with 360° camera) or PAM (without 360° camera) over the HS-CAN2.

PATS And Passive Key And Immobilizer System 

The message center provides the starting system fault message to indicate there is a concern with the PATS. The message center provides passive key and immobilizer system messages to indicate the key program is successful, key battery is low, key could not be programmed or failed or maximum number of keys have been programmed. The IPC uses the immobilizer message display messaged input from the BCM to display the applicable message center message.

The IPC receives the immobilizer message request and power pack status from the GWM over the HS-CAN3.

The GWM receives the immobilizer message request from the BCM over the HS-CAN1.

The GWM receives the power pack status from the PCM over the HS-CAN1.

Perimeter Alarm 

The message center provides the perimeter alarm warning message to indicate the perimeter alarm has been activated and to start the vehicle to stop the alarm. The IPC receives the perimeter alarm chime request message from the GWM over the HS-CAN3. The GWM receives the perimeter alarm chime request message from the BCM over the HS-CAN1.

Power Child Lock-Switch Inhibit And Low Key Fob 

The IPC provides a power child lock warning to inform the driver the child lock feature did not function properly. The power child lock feature is activated through the rear window lockout switch on the driver side master window control switch.

The IPC provides a switch inhibit warning to notify the driver that some switches have been purposely inhibited and are inoperative. For security purposes, interior switches are inhibited by the BCM 20 seconds after the vehicle is electronically locked and prevents someone from using a stick (or other object) through an open window and activating the switch.

The IPC provides a low key fob battery warning to alert the driver the key fob battery needs to be replaced. The low key fob battery warning is not displayed in RUN or START modes if the power child lock warning is active to prevent the BCM from cycling between the two warnings, causing the chime associated with the power child lock warning to repeatedly sound every 4 seconds.

The IPC receives the lock system message request from the GWM over the HS-CAN3. The GWM receives the lock system message request from the BCM over the HS-CAN1.

Powertrain Cooling 

The message center provides a warning message to inform the driver that vehicle performance is reduced to allow the engine to cool. This feature is part of the smart cooling function in the PCM and provides powertrain cooling protection under high ambient temperature conditions.

The IPC receives the powertrain cooling message request from the GWM over the HS-CAN3. The GWM receives the powertrain cooling message request from the PCM over the HS-CAN1.

Rear Seatbelt Monitor 

The message center provides a message to indicate the status of the second and third row seatbelts and if they are buckled. The IPC receives the second row driver seatbelt buckle status, second row middle seatbelt buckle status, second row passenger seatbelt buckle status, third row driver seatbelt buckle status and third row passenger seatbelt buckle status messages from the GWM over the HS-CAN3. The GWM receives the applicable status messages from the RCM over the HS-CAN2.

Remote Start 

The message center provides remote start messages to inform the driver the vehicle is in the remote start active state and how to change the state to a drivable state. The remote start message display is active as soon as the vehicle is remote started (the engine is running, but the ignition status is off). Once the driver places the ignition in the RUN state, the IPC carries out its startup sequence.

The IPC receives the remote start status message from the GWM over the HS-CAN3. The GWM receives the remote start status message from the BCM over the HS-CAN1.

Side Wind Compensation 

The message center provides a message to inform the driver the stability-traction control indication is due to a side wind stabilization event. The side wind compensation feature uses the ABS to compensate for strong side winds that can push the vehicle out of its intended lane, similar to the trailer sway feature. The IPC receives the stability-traction control message request from the GWM over the HS-CAN3. The GWM receives the stability-traction control message request from the ABS module over the HS-CAN2.

Stability-Traction Control 

The message center provides a stability-traction control system message to indicate the stability-traction control system has a fault and requires service. When a fault condition exists in the stability-traction control system, the ABS module sets a DTC and sends the stability-traction control chime request to the GWM over the HS-CAN2. The GWM sends the stability-traction control chime request to the IPC over the HS-CAN3.

Starting System 

The message center provides starting system messages to inform the driver of the starting system status and when driver intervention is required in order to start the engine. The IPC receives the starting system message request and the stop-start message request messages from the GWM over the HS-CAN3. The GWM receives the starting system message request and the stop-start message request messages from the PCM over the HS-CAN1.

TPMS 

The IPC provides message center displays to indicate the TPMS sensor training status or a malfunction in the TPMS. The IPC receives the tire pressure system status message from the GWM over the HS-CAN3. The GWM receives the tire pressure system status message from the BCM over the HS-CAN1.

Trailer Lighting 

The message center provides warning messages to indicate the status of the trailer lamp connections and trailer lamps. The IPC receives the trailer lamp connected, trailer lamp out and trailer turn indicator request messages from the GWM over the HS-CAN3. The GWM receives the trailer lamp connected, trailer lamp out and trailer turn indicator request messages from the TRM over the MS-CAN.

Trailer Sway 

The message center provides the trailer sway warning message to inform that a trailer sway has been detected and to reduce speed to help get the trailer under control. The IPC receives the trailer sway event in progress message display request from the GWM over the HS-CAN3. The GWM receives the trailer sway event in progress message display request from the ABS module over the HS-CAN2.

Transmission Not In Park 

The message center provides a transmission not in park message to inform the driver the vehicle is not in P.

The IPC receives all required messages from the GWM over the HS-CAN3.

The GWM receives the transmission gear message request and transmission gear status messages from the PCM over the HS-CAN1.

The GWM receives the driver door ajar status message and ignition status message from the BCM over the HS-CAN1.

The GWM receives the GSM gear message request from the GSM over the HS-CAN2.

Vehicle On 

The message center provides the vehicle on warning message to inform the driver they are exiting the vehicle when the engine is running. The IPC uses multiple inputs to determine the vehicle is stopped and the driver is preparing to exit the vehicle. The messages required to control the vehicle on warning message are as follows:

• Driver door ajar status
• Power pack status
• Transmission gear display

The IPC receives all required messages from the GWM over the HS-CAN3.

The GWM receives the driver door ajar status from the BCM over the HS-CAN1.

The GWM receives the power pack status and transmission gear display messages from the PCM over the HS-CAN1.