Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the ABS module	Fuse Wiring, terminals or connectors ABS module concern	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.
The red brake warning indicator is always/never on	Instrument Panel Cluster (IPC) concern ABS concern	RETRIEVE all DTCs and REFER to the ABS MODULE DTC CHART . If no DTCs are present, REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
The yellow ABS warning indicator is always/never on	IPC concern ABS module	RETRIEVE all DTCs and REFER to the ABS MODULE DTC CHART . If no DTCs are present, REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
The stability/traction control indicator (sliding car icon) is never/always on	IPC ABS concern	RETRIEVE all DTCs and REFER to the ABS MODULE DTC CHART . If no DTCs are present, REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
ABS false activation, ABS too sensitive, ABS activates on normal stop	Front/rear suspension concern	ELIMINATE the front/rear suspension as the cause of the problem. REFER to FRONT SUSPENSION (front suspension) or REAR SUSPENSION (rear suspension).
	Parking brake shoes out of adjustment (dragging)	CHECK and if necessary, ADJUST the parking brake shoes. REFER to PARKING BRAKE SYSTEM - PARKING BRAKE & ACTUATION .
The traction control system cannot be disabled	Wiring, terminals, or connectors Stability/traction control switch ABS module If a MyKey® restricted key is in use with the AdvanceTrac® always-on feature configured to on, the traction control system cannot be disabled. Only an admin key can be used to change a MyKey® traction control system setting from always-on to user select.	GO to PINPOINT TEST O .
The stability/traction control indicator (sliding car icon) is flashing at all times	NOTE: It is normal for the indicator to flash during a traction control event. ABS module not calibrated	RETRIEVE and RECORD all ABS module DTCs and GO to the ABS MODULE DTC CHART .