Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
No communication with the instrument cluster	Fuse(s) Circuitry Instrument cluster	REFER to MODULE COMMUNICATIONS NETWORK .
Incorrect fuel gauge indication - front wheel drive (FWD)	Circuitry Fuel pump module assembly Fuel level sensor Fuel tank Instrument cluster	Go to Pinpoint Test A .
Incorrect fuel gauge indication - all wheel drive (AWD)	Circuitry Fuel pump module assembly Fuel level sender Fuel level sensor Fuel tank Instrument cluster	Go to Pinpoint Test B .
The temperature gauge is inoperative	Instrument cluster	Go to Pinpoint Test C .
Incorrect temperature gauge indication	PCM Instrument cluster	Go to Pinpoint Test D .
The tachometer is inoperative	Instrument cluster	Go to Pinpoint Test E .
Inaccurate tachometer indication	PCM Instrument cluster	Go to Pinpoint Test F .
The speedometer is inoperative	Instrument cluster	Go to Pinpoint Test G .
Incorrect speedometer indication	PCM Instrument cluster	Go to Pinpoint Test H .
The odometer is inoperative	Instrument cluster	Go to Pinpoint Test I .
The safety belt warning indicator is never/always on	Low battery voltage Restraints control module (RCM) Instrument cluster	Go to Pinpoint Test J .
The check fuel cap warning indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test K .
The brake warning indicator is never on	Circuitry Parking brake switch Brake fluid level switch Smart junction box (SJB) Instrument cluster	Go to Pinpoint Test L .
The brake warning indicator is always on	Circuitry Parking brake switch Brake fluid level switch SJB Instrument cluster	Go to Pinpoint Test M .
The anti-lock brake system (ABS) warning indicator is never/always on	ABS module Instrument cluster	Go to Pinpoint Test N .
The charging system warning indicator is never/always on	Charging system PCM Instrument cluster	Go to Pinpoint Test O .
The high beam indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test P .
The LH/RH turn signal indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test Q .
The low oil pressure warning indicator is never/always on	Circuitry Engine oil pressure switch Base engine concern Instrument cluster	Go to Pinpoint Test R .
The malfunction indicator lamp (MIL) is never/always on	PCM Instrument cluster	Go to Pinpoint Test S .
The air bag warning indicator is never/always on	Low battery voltage RCM Instrument cluster	Go to Pinpoint Test T .
The speed control indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test U .
The wrench indicator is never/always on	Electronic throttle control concern Transmission concern AWD concern PCM Four wheel drive (4WD) control module Instrument cluster	Go to Pinpoint Test V .
The overdrive (O/D) off indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test W .
The traction assist indicator is never/always on	Traction assist system ABS module Instrument cluster	Go to Pinpoint Test X .
The low washer fluid indicator is never/always on (if equipped)	Circuitry Washer fluid level switch Instrument cluster	Go to Pinpoint Test Y .
The door ajar warning indicator is never/always on	Interior lamps SJB Instrument cluster	Go to Pinpoint Test Z .
The low fuel indicator is never/always on (base cluster only)	Instrument cluster	Go to Pinpoint Test AA .
The tire pressure monitoring system (TPMS) warning indicator is never/always on	TPMS concern SJB Instrument cluster.	Go to Pinpoint Test AB .
The passive anti-theft system (PATS) indicator is always on or is flashing rapidly	Circuitry PATS key PATS transceiver PCM Instrument cluster	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) .
The passive anti-theft system (PATS) indicator is never on (does not prove-out)	Instrument cluster	INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The instrument cluster is inoperative	Fuse(s) Circuitry Instrument cluster	Go to Pinpoint Test AC .