Symptom Chart

TROUBLE SYMPTOM DETAILS

Condition	Possible Sources	Action
No communication with the anti-lock brake system (ABS) module	Circuitry. ABS module.	GO to PINPOINT TEST A .
No communication with the instrument cluster	Instrument cluster. Circuitry.	Refer to INFORMATION, GAUGES & WARNING DEVICES .
The red brake warning indicator does not self-check	Instrument cluster. Circuitry. Anti-lock brake system (ABS) module.	REFER to INFORMATION, GAUGES & WARNING DEVICES .
The red brake warning indicator stays on when the ignition is in RUN	Circuitry. Anti-lock brake system (ABS) module. Instrument cluster	RETRIEVE all DTCs and go to the appropriate pinpoint test(s). If no DTCs are present, REFER to INFORMATION, GAUGES & WARNING DEVICES .
The yellow anti-lock brake system (ABS) warning indicator does not self-check	Instrument cluster. Circuitry. Anti-lock brake system (ABS) module.	REFER to INFORMATION, GAUGES & WARNING DEVICES .
Spongy/soft/low brake pedal with no warning indicator	Air in brake hydraulic system.	GO to PINPOINT TEST O .
The stability assist control switch indicator is never on	Circuitry. Stability assist switch. Smart junction box (SJB).	REFER to INFORMATION, GAUGES & WARNING DEVICES .
The stability assist is inoperative	Circuitry. Stability assist switch. Anti-lock brake system (ABS) module.	GO to PINPOINT TEST K .
The stability assist system cannot be disabled	Circuitry. Stability assist switch. Anti-lock brake system (ABS) module.	GO to PINPOINT TEST C .