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Home >> Ford >> 2021 >> Expedition SSV, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (1 Of 2) >> Description And Operation >> Message Center - System Operation and Component Description >> System Operation >> Warning Messages

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 BCM detects a low brake fluid condition, the BCM 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.

4WD 

The message center provides messages to check the 4WD system and provide a system status when a fault condition exists. The IPC receives the 4WD status display message from the GWM over the HS-CAN3. The GWM receives the 4WD status display message from the TCCM over the HS-CAN2.

Adaptive Cruise Control 

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 message display from the GWM over the HS-CAN3. The GWM receives the adaptive cruise control message display from the IPMA over the HS-CAN2.

Blind Spot Monitoring System (BLIS®)/Cross Traffic Alert (CTA) 

The message center provides messages indicating the reason for the Blind Spot Monitoring System (BLIS®)/Cross Traffic Alert (CTA) fault. The IPC receives all side obstacle and cross traffic alert status messages from the GWM over the HS-CAN3. The GWM receives the cross traffic alert left status, cross traffic alert right status, cross traffic left sensor status, cross traffic right sensor status, side obstacle status-left and side obstacle status-right messages from the SODL and SODR, respectively, over the MS-CAN.

Brake Applied-Power Reduced 

The message center provides a brake applied warning message to inform the driver that the brake pedal and accelerator pedals are both applied. 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 message center provides brake system warning messages for the following concerns and status:

The IPC receives all network messages required to operate the brake warning indicator from the GWM over the HS-CAN3.

When a base brake system fault exists, the ABS module sends the brake (red) warning indicator request to the GWM over the HS-CAN2 to display the check brake system message center warning.

When the parking brake is applied on an electronic parking brake vehicle, the BCM sends the parking brake chime request to the GWM over the HS-CAN1 to display the parking brake engaged message center warning.

When a low brake fluid level condition exists, the BCM sends the brake fluid level low message request to the GWM over the HS-CAN1 to display the brake fluid level low message center warning.

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.

Check Fuel Fill Inlet 

The message center provides a check fuel fill inlet message to warn the driver there is a problem with the fuel fill inlet pipe resulting in a significant evaporative emission leak following vehicle refueling. The IPC receives the fuel fill inlet message request from the GWM over the HS-CAN3. The GWM receives the fuel fill inlet message request from the PCM over the HS-CAN1.

Door-Hood-Liftgate Ajar 

The IPC provides a door, hood and liftgate ajar warnings to indicate the status of the doors, hood and liftgate. The IPC receives the driver door ajar, passenger door ajar, left rear door ajar, the right rear door ajar status, hood ajar status and liftgate ajar status messages from the GWM over the HS-CAN3. The GWM receives the driver door ajar, passenger door ajar, left rear door ajar, the right rear door ajar status, hood ajar and liftgate 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 Park Brake 

The message center provides messages to indicate the status of the electronic parking brake system. The messages displayed are a combination of informational messages, warning and system fault messages. The IPC uses the following messages to display the applicable message center message.

The IPC receives all messages required to display the electronic park brake messages from the GWM over the HS-CAN3.

The GWM receives the electronic park brake (yellow) indicator request, electronic park brake (red) indicator request and the brake (red) warning indicator request from the ABS module over the HS-CAN2.

The GWM receives the brake fluid level low message request and brake warning indicator request from the BCM over the HS-CAN1.

Electronic Limited Slip Differential (eLSD) 

The message center provides informational and fault messages to inform the driver of the Electronic Limited Slip Differential (eLSD) status. The IPC receives the rear differential service required message and the rear differential lock message request from the GWM over the HS-CAN3. The GWM receives the rear differential lock message request from the PCM over the HS-CAN1. The GWM receives the rear differential service required message from the DCMR over the HS-CAN1.

EPAS 

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

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

Engine On 

The message center provides the engine 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 engine on warning message are as follows:

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 torque status and the vehicle speed messages from the PCM over the HS-CAN1.

The GWM receives the transmission gear display mode message from the TCM over the HS-CAN1.

Engine Over-Temperature 

The message center provides the engine coolant over-temperature 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 data message from the PCM over the HS-CAN1.

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 factory mode message and the transport mode messages from the GWM over the HS-CAN3. The GWM receives the factory mode message and the transport mode message from the BCM over the HS-CAN1.

Forward Collision 

The message center provides the forward collision warning messages to inform the driver of the forward collision 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 

The message center provides the front camera malfunction warning message to inform the driver there is a problem with the front camera. The IPC receives the camera front display status message from the GWM over the HS-CAN3. The GWM receives the camera front display status message from the IPMA over the HS-CAN2.

Hill Descent Control 

The message center provides informational and fault hill descent control messages to inform the driver of the hill descent control system status. The IPC receives the hill descent message request from the GWM over the HS-CAN3. The GWM receives the hill descent message request from the ABS module over the HS-CAN2.

Keypad Factory Code 

The message center can display the original keypad factory code 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 code, Refer to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .

Lane Keeping System 

The message center provides a warning message for the lane keeping alert and system fault messages for the over all 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, the lane keeping system status display and the camera front display status messages 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 shed level request from the GWM over the HS-CAN3. The GWM receives the battery shed level request from the BCM over the HS-CAN1.

Low Engine Oil Pressure 

The message center uses the low engine oil pressure warning message as a supplement to the engine oil pressure gauge and the low oil pressure RTT warning indicator to inform the driver when low engine oil pressure exists. The engine oil pressure sensor is hardwired to the PCM. The PCM provides the oil pressure warning indicator request and the engine rpm data to the GWM over the HS-CAN1. The GWM provides the oil pressure warning indicator 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 engine oil pressure warning message.

Memory Seat Status 

The message center provides memory seat status messages to provide the driver confirmation that memory position storing was successful and that recalling a memory position cannot be recalled while driving the vehicle. The IPC receives the memory feedback request message from the GWM over the HS-CAN3. The GWM receives the memory feedback request message from the DSM over the MS-CAN.

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 a 4WD status display message from the GWM over the HS-CAN3. The GWM receives the 4WD status display message from the TCCM over the HS-CAN2.

Off Road Mode - Powertrain Distribution Display 

The message center provides off road informational messages to indicate the status of the off road system status. The IPC receives a 4WD status display message and hill descent message request from the GWM over the HS-CAN3. The GWM receives the 4WD status display message from the TCCM over the HS-CAN2.

The GWM receives the hill descent message request from the ABS module over the HS-CAN2.

The message center provides a display indicating power changes at each of the vehicle's wheels in off-road mode. The IPC receives a powertrain distribution display message from the GWM over the HS-CAN3. The GWM receives a powertrain distribution display message from the PCM over the HS-CAN1.

Oil Life 

The instrument cluster provides messages to inform the driver about the oil life status, oil life reset status and when an oil change is required. The duration of the interval between 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 oil level. The PCM calculates and provides the engine oil life percent message to the IPC. The IPC further converts the remaining oil life using the driver's configured oil life start value and displays the oil life percentage, indicating the remaining oil life. The 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.

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 PAM over the HS-CAN1.

Park Not Available 

The message center provides the park not available to indicate there is a concern with the transmission electronic park system.

The IPC receives an electronic park system fault message request from the GWM over the HS-CAN3.

The GWM receives an electronic park system fault message request from the TCM over the HS-CAN1.

PATS, 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 no key is detected, accessory power is active, to press the brake to start the vehicle or restart now or key is needed. The IPC uses the immobilizer message request input from the BCM to display the applicable message center message.

The IPC receives the immobilizer message request from the GWM over the HS-CAN3.

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

Perimeter Alarm And Reduced Guard (Intrusion/Motion) 

The message center provides the perimeter alarm 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 from the BCM over the HS-CAN1.

The message center also provides a menu to set up the reduced guard (intrusion/motion) feature of the alarm system. The message center displays a message to inform the driver whether the alarm is set up to disable the intrusion and motion sensor inputs. The IPC receives the reduced guard status message from the GWM over the HS-CAN3. The GWM receives the reduced guard status message from the BCM over the HS-CAN1.

Power Child Lock-Switch Inhibit And Low Key Fob Battery 

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 from repeatedly sounding 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 IPC provides a 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.

Power Running Boards 

The IPC provides messages to inform the driver that a fault exists with the running boards or the running boards are deployed and vehicle cannot be driven until they are stowed. The IPC receives the power running board status message from the GWM over the HS-CAN3. The GWM receives the power running board status message from the RBM over the MS-CAN.

PRNDL Not In Park (Shift To Park) 

For vehicles equipped with a gear shift lever, the message center provides a shift to park message to inform the driver the vehicle is not in PARK (P) under 2 sets of conditions. First, the IPC displays the shift to park message if the selector lever is not in PARK (P), the ignition is OFF and the driver door is open or ajar. Second, the message center displays the shift to park message if the selector lever is not in PARK (P), the ignition is ON or in ACC, the driver door is open or ajar and the brake pedal is not applied with vehicle speed less than 5 km/h (3 mph). The IPC uses multiple messages to control the shift to park message.

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

The GWM receives the vehicle speed message from the PCM over the HS-CAN1.

The GWM receives the transmission gear display mode from the TCM over the HS-CAN1.

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

The IPC also uses the park position detect input to determine whether the vehicle is in PARK (P) along with the transmission gear display mode message.

See Park Position Detect Switch component description. Refer to: Instrument Panel Cluster (IPC) - System Operation and Component Description  .

Remote Start 

The IPC 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 (that is, the engine is running, but the ignition status is off).

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.

Selectable Drive Mode 

The message center provides the drive mode selection reduced message to inform the driver of a drive mode system fault. The IPC receives the selectable drive mode request, selectable drive mode status and 4WD status display messages from the GWM over the HS-CAN3.

The GWM receives the selectable drive mode request and selectable drive mode status messages from the ABS module over the HS-CAN2. The GWM receives the 4WD status display from the TCCM over the HS-CAN2.

Spinout Detection System 

The spinout detection feature activates the hazard indicator to alert other vehicles approaching the vehicle following a spin-out, potentially reducing the risk of collision, especially in low visibility weather conditions. A spinout is defined as a slip angle greater than 40 degrees followed by 5 seconds of vehicle at rest.

When a spinout is detected, the system activates the hazard indicator and the IPC displays a message to inform the driver that the hazards have been turned on. The IPC receives the vehicle dynamics SOS message from the GWM over the HS-CAN3. The GWM receives the vehicle dynamics SOS message from the ABS module over the HS-CAN2.

Stability - Traction Control 

The message center provides stability-traction control system messages to indicate the stability-traction control system status or if the stability-traction control system has a fault and requires service.

When the stability-traction control system has been selected off or on, the ABS module sends the stability-traction control on/off message request to the GWM over the HS-CAN2. The GWM sends the stability-traction control on/off message request to the IPC over the HS-CAN3.

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 a starting system message to inform the driver of further actions required to start the engine or to explain the reason for the inability to start the engine. The IPC receives the starting system message request and stop/start message request from the GWM over the HS-CAN3. The GWM receives the starting system message request and stop/start message request 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 

The message center provides messages describing the status of the trailer electrical system. The IPC uses the following inputs to display the trailer message center messages.

The IPC receives all messaged inputs from the GWM over the HS-CAN3.

The GWM receives the factory mode message from the BCM over the HS-CAN1.

The GWM receives the trailer brake control status message from the TBM over the HS-CAN2.

The GWM receives the trailer sway event in progress message from the ABS module over the HS-CAN2.

The GWM receives the trailer lamp connected, trailer lamp out, trailer battery charge and trailer turn indicator status messages from the TRM over the MS-CAN.

Transmission 

The message center provides warning messages to inform the driver about transmission conditions and faults. The IPC uses the operational mode based on the ignition status message and vehicle speed to determine that the vehicle is still in motion and the ignition was switched off.

The IPC receives the transmission message request from the GWM over the HS-CAN3. The GWM receives the transmission message request from the TCM over the HS-CAN1.

Vehicle Dynamic Suspension (Drive Control) 

The message center provides a warning message to inform the driver about a drive control malfunction or if service is required for the vehicle dynamic suspension system. The IPC receives the vehicle dynamics fault message from the GWM over the HS-CAN3. The GWM receives the vehicle dynamics fault message from the VDM over the HS-CAN2.

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