Symptom Charts

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart - Instrument Cluster

Condition	Possible Sources	Action
No communication with the instrument cluster (IC)	Fuse(s) Wiring, terminals or connectors Instrument cluster (IC)	MODULE COMMUNICATIONS NETWORK article.
The instrument cluster (IC) is inoperative	Fuse(s) Wiring, terminals or connectors Instrument cluster (IC)	Go to Pinpoint Test A .
Incorrect fuel gauge indication	Wiring, terminals or connectors Fuel level sensor (float and card) (gasoline) Fuel level sensor (diesel) Fuel pump module Fuel tank Instrument cluster (IC)	Go to Pinpoint Test B .
Incorrect voltage gauge indication	Charging system concern Instrument cluster (IC)	Go to Pinpoint Test C .
The oil pressure gauge is inoperative	Wiring, terminals or connectors Engine oil pressure switch Base engine concern Instrument cluster (IC)	Go to Pinpoint Test D .
Incorrect temperature gauge indication	Cylinder head temperature (CHT) sensor PCM Instrument cluster (IC)	Go to Pinpoint Test E .
The tachometer is inoperative	PCM Instrument cluster (IC)	Go to Pinpoint Test F .
The speedometer/odometer is inoperative	PCM Instrument cluster (IC)	Go to Pinpoint Test G .
Incorrect speedometer indication	PCM axle ratio and tire size configuration Output shaft speed sensor (OSS) concern PCM Instrument cluster (IC)	Go to Pinpoint Test H .
Trip odometer is inoperative, speedometer OK	Instrument cluster (IC)	VERIFY the SELECT/RESET button is not binding. If the button is OK, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) .
The low fuel warning indicator is never/always on	Instrument cluster (IC)	Go to Pinpoint Test I .
The BRAKE warning indicator is never on	Wiring, terminals or connectors Parking brake switch Brake fluid level switch (part of the master cylinder) Instrument cluster (IC)	Go to Pinpoint Test J .
The BRAKE warning indicator is always on	Wiring, terminals or connectors Parking brake switch Brake fluid level switch (part of the master cylinder) Instrument cluster (IC)	Go to Pinpoint Test K .
The ABS warning indicator is never/always on	ABS module Instrument cluster (IC)	Go to Pinpoint Test L .
The high beam indicator is never on	Wiring, terminals or connectors Instrument cluster (IC)	Go to Pinpoint Test M .
The RH/LH turn indicator is never on	Wiring, terminals or connectors Instrument cluster (IC)	Go to Pinpoint Test N .
The safety belt warning indicator is never/always on	Restraints control module (RCM) Instrument cluster (IC)	Go to Pinpoint Test O .
The air bag warning indicator is never/always on	RCM Instrument cluster (IC)	Go to Pinpoint Test P .
The malfunction indicator lamp (MIL) is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test Q .
The low oil pressure warning indicator is never/always on	Wiring, terminals or connectors Engine oil pressure switch Base engine concern Instrument cluster (IC)	Go to Pinpoint Test R .
The check fuel cap indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test S .
The engine coolant over temperature warning indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test T .
The O/D OFF indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test U .
The powertrain malfunction (wrench) indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test V .
The traction control/stability assist indicator is never/always on	ABS module PCM Instrument cluster (IC)	Go to Pinpoint Test W .
The charging system warning indicator is never/always on	Wiring, terminals or connectors Generator (single generator only) PCM (dual generators only) Instrument cluster (IC)	Go to Pinpoint Test X .
The speed control indicator is never/always on	Speed control system concern PCM Instrument cluster (IC)	Go to Pinpoint Test Y .
The tow haul indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test Z .
The anti-theft indicator is never/always on	Passive anti-theft system (PATS) concern Instrument cluster (IC)	Go to Pinpoint Test AA .
The tire pressure monitoring system (TPMS) warning indicator is never/always on	TPMS concern Vehicle security module (VSM) Instrument cluster (IC)	Go to Pinpoint Test AB .
The wait to start warning indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test AC .
The water in fuel warning indicator is never/always on	PCM Instrument cluster (IC)	Go to Pinpoint Test AD .

Symptom Chart - Warning Chimes

Condition	Possible Sources	Action
All the chimes are inoperative	Instrument cluster (IC)	CHECK the warning lamps operation. If the warning lamps do not operate correctly, go to Pinpoint Test A . If the warning lamps operate correctly, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The key-in-ignition warning chime is inoperative	Wiring, terminals or connectors Key-in-ignition warning switch (part of the ignition lock cylinder) Instrument cluster (IC)	Go to Pinpoint Test AM .
The headlamp on reminder chime is inoperative	Wiring, terminals or connectors Instrument cluster (IC)	Go to Pinpoint Test AN .
The roll stability control (RSC) warning chime is inoperative	Instrument cluster (IC)	Go to Pinpoint Test AO .
The chime sounds when the driver door is ajar (no key in ignition and headlamps off)	Wiring, terminals or connectors Exterior lighting concern Key-in-ignition warning switch (part of the ignition lock cylinder) Clockspring Instrument cluster (IC)	Go to Pinpoint Test AP .
The safety belt warning chime does not operate correctly	Safety belt warning indication concern Instrument cluster (IC)	Go to Pinpoint Test AQ .
The Belt-Minder® feature does not operate correctly	Belt-Minder® deactivated Safety belt warning indication concern Speedometer concern Instrument cluster (IC)	Go to Pinpoint Test AQ .
The generic message warning chime does not operate correctly	Low fuel warning indication concern Traction control/stability assist indication concern Instrument cluster (IC)	CHECK the operation of the low fuel and traction control/stability assist warning indicators. If the low fuel and traction control/stability assist warning indicators do not operate correctly, go to Pinpoint Test I (low fuel) or Go to Pinpoint Test W (traction control/stability assist). If the low fuel and traction control/stability assist warning indicators operate correctly, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The air bag secondary warning chime is inoperative/has activated	Instrument cluster (IC)	RETRIEVE the recorded instrument cluster (IC) DTCs from the continuous and on-demand self-tests. If the instrument cluster (IC) DTC B1868 is not present, the system is operating correctly. The air bag secondary warning chime sounds only when a fault in the air bag warning indicator is present and DTC B1868 is recorded. If the instrument cluster (IC) DTC B1868 is present, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The park brake warning chime does not operate correctly	Brake warning indicator concern Instrument cluster (IC)	CHECK the operation of the brake warning indicator. If the brake warning indicator does not operate correctly, go to Pinpoint Test J (never on) or Go to Pinpoint Test K (always on). If the brake warning indicator operates correctly, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The SERVICE RSC NOW message is never/always displayed	Traction control/stability assist warning indicator concern Instrument cluster (IC)	NOTE: This message only applies to vehicles equipped with roll stability control (RSC). CHECK the operation of the traction control/stability assist indicator. If the traction control/stability assist indicator does not operate correctly, go to Pinpoint Test W . If the traction control/stability control indicator operates correctly, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
The LOW FUEL message is never/always displayed	Low fuel warning indicator concern Instrument cluster (IC)	CHECK the operation of the low fuel warning indicator. If the low fuel warning indicator does not operate correctly, go to Pinpoint Test I . If the low fuel warning indicator operates correctly, INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.