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Home >> Ford >> 2017 >> Mustang EcoBoost, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Information Center - Instrumentation, Message Center And Warning Chimes >> Description And Operation >> Message Center - System Operation and Component Description >> System Operation >> Warning Messages

Warning Messages

Adaptive Cruise Control 

The message center provides messages intended to assist the driver while operating the adaptive cruise control. The IPC receives the adaptive cruise control warning request from the GWM over the HS-CAN3. The GWM receives the adaptive cruise control warning request from the CCM over the HS-CAN2.

Automatic Engine Shutdown 

The message center provides messages to inform the driver about a pending engine idle shutdown and the reasons for the shutdown. The IPC receives the engine idle shutdown status from the GWM over the HS-CAN3. The GWM receives the engine idle shutdown status from the PCM over the HS-CAN1.

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

The message center provides messages to inform the customer which side a vehicle is approaching and for Blind Spot Monitoring (BLIS ®)/Cross Traffic Alert (CTA) faults. The IPC receives the cross traffic left alert status, cross traffic right alert status, side obstacle sensor status-left and the side obstacle sensor status-right messages from the GWM over the HS-CAN3. The GWM receives the cross traffic left alert status and the side obstacle sensor status-left messages from the SODL and the cross traffic right alert status and the side obstacle sensor status-right from the SODR over the MS-CAN.

Brake System 

The message center provides brake system warnings for the following concerns and status:

On SVT vehicles only, the message center provides a warning message to indicate to the driver the brake pads are worn and require replacing. This is needed since the brake pads do not use the spring steel brake pad wear indicator used on other brake pads. When the brake pads are worn, the GWM sends the brake wear message request to the IPC over the HS-CAN3. The GWM receives the brake wear message request from the VDM over the HS-CAN2.

When the parking brake is applied, the BCM sends the parking brake status message to the GWM over the HS-CAN1. The GWM gateways the parking brake status message to the IPC over the HS-CAN3 to illuminate the brake warning indicator and display the parking brake applied message in the message center.

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. The GWM gateways the brake fluid level low message request to the IPC over the HS-CAN3 to illuminate the brake warning indicator and display the brake fluid level low message in the message center.

When an ABS concern exists, the ABS module sends the ABS fault message to the GWM over the HS-CAN2. The GWM gateways the ABS fault message to the IPC over the HS-CAN3 to illuminate the ABS warning indictor and to display the check brake system message center warning message.

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 

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 from a significant evaporative emission leak following vehicle refueling.

The IPC receives the check fuel fill inlet message request from the GWM over the HS-CAN3. The GWM receives the check fuel fill inlet message request from the PCM over the HS-CAN1.

Convertible Top 

The message center provides a warning message to inform the driver that a convertible top condition exits. The IPC receives the convertible top message request from the GWM over the HS-CAN3. The GWM receives the convertible top message request from the Manual Roof Control Module-A (MRCMA) over the MS-CAN.

Door Ajar 

The message center provides specific door ajar and luggage compartment lid ajar warning messages that supplement the door ajar RTT and to indicate the status of the doors or luggage compartment lid. The BCM monitors each of the ajar inputs and sends the corresponding ajar message (driver door ajar status, passenger door ajar status or luggage compartment lid ajar) to the GWM over the HS-CAN1 when a door or the luggage compartment lid is ajar. The IPC receives the door ajar status 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 the driver door ajar status from the GWM over the HS-CAN3. The GWM receives the driver door ajar status from the BCM over the HS-CAN1.

The IPC receives the engine status, transmission gear display mode and the vehicle speed messages from the GWM over the HS-CAN3. The GWM receives the engine status, transmission gear display mode and the vehicle speed messages from the PCM over the HS-CAN1.

Engine Over-Temperature 

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

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 CCM over the HS-CAN2.

Hill Start Assist 

The message center provides the hill start assist message to inform the driver of the hill start assist system status. 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.

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 power shed level request from the GWM over the HS-CAN3. The GWM receives the power shed level request from the BCM over the HS-CAN1.

Low Key Fob And Switch Inhibit 

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 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.

Low Oil Pressure 

The message center provides the low engine oil pressure warning message to supplement the low oil pressure RTT. The engine oil pressure switch is hardwired to the PCM. The IPC requires 2 messaged inputs to control the low oil pressure warning message. The first is the oil pressure warning indicator request message and the second is the engine RPM data message above 400 RPM. Both the oil pressure warning indicator request and engine RPM data messages are sent from the PCM to the GWM over the HS-CAN1. The IPC receives the oil pressure warning indicator request and engine RPM data messages from the GWM over the HS-CAN3.

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 can not be recalled while driving the vehicle. The IPC receives the seat memory command message from the GWM over the HS-CAN3. The GWM receives the seat memory command message from the DSM over the MS-CAN.

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 

The message center provides messages to indicate the status of the parking aid system. The IPC receives the parking aid status messages from the GWM over the HS-CAN3. The GWM receives the parking aid status messages from the PAM over the HS-CAN1.

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 is in the luggage compartment, the key is left in the vehicle, no key is detected, accessory power is active, to press the brake to start the vehicle or to place the key in the backup slot. 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 display data from the GWM over the HS-CAN3.

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

Perimeter Alarm 

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.

PRNDL Not In Park 

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 transmission gear display mode and vehicle speed messages from the PCM 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 message center provides remote start messages to inform the driver the vehicle is in the remote start active state and steps required 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).

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.

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 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 fault message request from the GWM over the HS-CAN3. The GWM receives the starting system fault message request from the PCM over the HS-CAN1.

Steering System 

The message center provides a message to indicate there is an EPAS system concern. When a fault exists in the EPAS system, 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.

Tire Mobility 

The IPC provides a message to inform the driver the tire mobility kit has passed its expiration date. The life of the tire mobility kit is 4 years and the IPC uses vehicle configuration to determine it is equipped with the kit then uses an internal clock to determine when the 4 year life has expired. The IPC receives the vehicle configuration data message from the GWM over the HS-CAN3. The GWM receives the vehicle configuration data from the BCM over the HS-CAN1.

Tire Pressure Monitoring System (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.

Component Description

Brake Fluid Level Switch 

The brake fluid level switch is mounted in the master cylinder reservoir. The brake fluid level switch is hardwired to the BCM through a signal circuit and grounded through a separate body ground circuit. The BCM provides a reference voltage to the brake fluid level switch. When the brake fluid level is low, the switch closes, pulling the reference voltage low. When the brake fluid level is high, the switch opens, sending the reference voltage high on the signal circuit to the BCM. The brake fluid level switch uses an internal resistor in parallel to enable the BCM to differentiate between a disconnected brake fluid level switch connector and a low level condition.

Oil Pressure Switch (2.3L And 3.7L) 

The oil pressure switch is a normally open switch that is hardwired to the PCM through a single signal circuit. The ground is provided by the switch housing when it is mounted on the engine. The PCM provides a reference voltage to the oil pressure switch. When oil pressure is low, the oil pressure switch remains open, sending the reference voltage high. When the oil pressure is sufficient, the oil pressure switch closes, pulling the reference voltage low to the PCM.

Oil Pressure Sensor (5.2L) 

The oil pressure sensor is hardwired to the PCM through VREF, signal and return circuits. The PCM provides the sensor voltage supply on the VREF circuit and monitors the change in voltage changes though the signal and return circuits as the oil pressure changes.

Park Position Detect Switch 

The park position detect switch is hardwired to the IPC through a single signal circuit and is grounded by a separate circuit through the selector lever. The IPC provides a reference voltage to the park position detect switch. When the selector lever is in PARK (P), the park position detect switch closes to ground, pulling the reference voltage low. When the selector lever is moved out of PARK (P), the park position detect switch opens to ground, sending the reference voltage high to the IPC.

Steering Wheel Switch - Message Center 

The message center switch is part of the LH steering wheel switch and is comprised of 5 buttons. The message center switch uses different resistance values associated with each specific button. The SCCM sends out a reference voltage to the upper LH steering wheel switch on the input circuit and monitors the voltage drops. The voltage drop varies depending upon the resistance of the specific button pressed, providing indication to the SCCM which button is pressed.

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