Symptom Chart

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The message center is not operating correctly	Fuse Circuitry Message center switch Instrument cluster	GO to PINPOINT TEST A .
The compass is inoperative	Circuitry Compass sensor module Instrument cluster	GO to PINPOINT TEST B .
The compass is inaccurate	Zone setting Compass calibration Vehicle magnetized Compass sensor module	GO to PINPOINT TEST C .
The message center switch does not operate correctly	Circuitry Message center switch Instrument cluster	GO to PINPOINT TEST D .
Not all segments of the display illuminate	Instrument cluster	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The distance to empty (DTE)/average fuel economy is inoperative/incorrect	Instrument cluster	CHECK the operation of the fuel gauge. If the fuel gauge or speedometer does not operate correctly, REFER to INSTRUMENT CLUSTER to continue diagnosis of the fuel gauge or the speedometer. If the fuel gauge and speedometer operate correctly, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The message center display is blank	Instrument cluster	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The check fuel cap display is never/always on.	Instrument cluster	CHECK for powertrain control module (PCM) diagnostic trouble codes (DTCs). If PCM DTCs are present, REFER to the INTRODUCTION - GASOLINE article to continue diagnosis of the DTCs. If no PCM DTCs are present, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The CHECK GAUGES display is never/always on	Gauges Instrument cluster	VERIFY the fuel gauge, the voltmeter, and the oil pressure gauge for correct operation. If the gauges do not operate correctly, REFER to INSTRUMENT CLUSTER to continue diagnosis of the gauges. If the gauges operate correctly, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The low fuel display is never/always on	Fuel gauge Instrument cluster	VERIFY the fuel gauge for correct operation. If the fuel gauge does not operate correctly, REFER to INSTRUMENT CLUSTER to continue diagnosis of the fuel gauge. If the fuel gauge operates correctly, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The door ajar display is never/always on	Instrument cluster	CHECK the interior lamps for correct operation. If the interior lamps do not operate correctly, REFER to INTERIOR LIGHTING . If the interior lamps operate correctly, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The CHECK TRAILER, TRAILER FAULT, TBC FAULT or TRAILER DISCONNECTED warning is inoperative/always on	Instrument cluster configuration Trailer brake control system	OBSERVE the trailer brake warning and confirm customer concern. If the trailer brake warning is inoperative, VERIFY the vehicle is equipped with the trailer brake control system and that the instrument cluster is correctly configured for trailer brakes. REFER to MODULE CONFIGURATION . If the trailer brake warning is always on, REFER to AUXILIARY BRAKE SYSTEM .