Symptom Chart

Condition	Possible Sources	Action
No communication with the instrument cluster	Fuse(s) Circuitry Instrument cluster	REFER to MODULE COMMUNICATIONS NETWORK article.
The instrument cluster is inoperative	Fuse(s) Circuitry Instrument cluster	Go to Pinpoint Test A .
Incorrect fuel gauge indication	Circuitry Fuel pump module jumper harness Fuel tank Fuel level sensor Fuel pump module assembly Smart junction box (SJB) Instrument cluster	Go to Pinpoint Test B .
Incorrect temperature gauge indication	Powertrain control module (PCM) Instrument cluster	Go to Pinpoint Test C .
The low fuel warning indicator is never/always on	Instrument cluster	Go to Pinpoint Test D .
The speedometer/odometer is inoperative	PCM Instrument cluster	Go to Pinpoint Test E .
The tachometer is inoperative	PCM Instrument cluster	Go to Pinpoint Test F .
The door ajar indicator is inoperative (chime is operative)/does not operate correctly	SJB Instrument cluster	Go to Pinpoint Test G .
The safety belt warning indicator is inoperative (chime is operative)/does not operate correctly	Circuitry Restraints control module (RCM) Instrument cluster	Go to Pinpoint Test H .
The low oil pressure indicator is never/always on	Circuitry Engine oil pressure Oil pressure switch SJB Instrument cluster	Go to Pinpoint Test I .
The charging system warning indicator is never on	Charging system PCM Instrument cluster	Go to Pinpoint Test J .
The charging system warning indicator is always on	Charging system PCM Instrument cluster	REFER to CHARGING SYSTEM - GENERAL INFORMATION article to continue diagnosis of the charging system.
The brake warning indicator is never/always on	Circuitry Parking brake switch Brake fluid level switch ABS SJB Instrument cluster	Go to Pinpoint Test K .
The high beam indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test L .
The turn/hazard indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test M .
The low washer fluid level indicator is never/always on	Circuitry Washer fluid level switch Bussed electrical center (BEC) SJB Instrument cluster	Go to Pinpoint Test N .
The anti-lock brake system (ABS) warning indicator is never/always on	ABS module Instrument cluster	Go to Pinpoint Test O .
The traction control indicator is never/always on	ABS module Instrument cluster	Go to Pinpoint Test P .
The check fuel cap indicator is never on	PCM Instrument cluster	Go to Pinpoint Test Q .
The malfunction indicator lamp (MIL) indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test R .
The transmission malfunction indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test S .
The tire pressure monitoring system (TPMS) warning indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test T .
The speed control indicator is never on	Speed control actuator Instrument cluster	Go to Pinpoint Test U .
The speed control indicator is always on	Speed control actuator Instrument cluster	REFER to SPEED CONTROL article to continue diagnosis of the speed control system.
The air bag warning indicator is never/always on	Circuitry RCM Instrument cluster	Go to Pinpoint Test V .
The lamp out indicator is never/always on	SJB Instrument cluster	Go to Pinpoint Test W .
The integrated circuit display is inoperative	Instrument cluster	INSTALL a new instrument cluster. REFER to Instrument Cluster . TEST the system for normal operation.
The failsafe cooling warning indicator is never/always on	PCM Instrument cluster	Go to Pinpoint Test X .
DTC U1135 SCP invalid or missing data for interior lamps/starter	Smart junction box (SJB)	Go to Pinpoint Test Y .