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 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 INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
The sliding car icon or the sliding car OFF icon is never/always on	IPC ABS or AdvanceTrac® concern	RETRIEVE all DTCs and REFER to the ABS Module DTC Chart . If no DTCs are present, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
The sliding car icon is flashing at all times	NOTE: It is normal for the indicator to flash during an AdvanceTrac® event. ABS module not calibrated	RETRIEVE and RECORD all ABS module DTCs and GO to the ABS Module DTC Chart .
The message center displays SERVICE ADVANCETRAC	One or more DTCs present in the ABS module	RETRIEVE and RECORD all ABS module DTCs and GO to the ABS Module DTC Chart .
The message center displays LAUNCH CONTROL UNAVAILABLE	The AdvanceTrac® system is disabled One or more DTCs present in the ABS module	ENABLE the AdvanceTrac® system. If the message center still indicates that launch control is unavailable, RETRIEVE and RECORD all ABS module DTCs and GO to the ABS Module DTC Chart .
Cannot enable or disable the launch control feature using the ride control switch	Wiring, terminals or connectors Ride control switch PCM	REFER to VEHICLE DYNAMIC SUSPENSION Symptom Chart, "cannot change suspension modes using the ride control switch".
The traction control or AdvanceTrac® 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 launch control system cannot be enabled	Wiring, terminals, or connectors Ride control switch PCM	REFER to the Symptom Chart in VEHICLE DYNAMIC SUSPENSION -- MUSTANG , "Cannot change suspension modes using the ride control switch" to diagnose the ride control switch.