Symptom Chart

SYMPTOM CHART

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 INSTRUMENT CLUSTER .
The red brake warning indicator does not self-check	Instrument cluster Circuitry Anti-lock brake system (ABS) module	REFER to INSTRUMENT CLUSTER .
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 ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . If no DTCs are present, REFER to INSTRUMENT CLUSTER .
The yellow anti-lock brake system (ABS) warning indicator does not self-check	Instrument cluster Circuitry Anti-lock brake system (ABS) module	REFER to INSTRUMENT CLUSTER .
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 INSTRUMENT CLUSTER .
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 .