Symptom Chart

Condition	Possible Sources	Action
A module does not respond to the diagnostic scan tool	Fuse Wiring, terminals or connectors ABS module concern	REFER to Module Communications Network .
The red brake warning indicator is always or never on	Low brake fluid level Brake fluid level sensor Parking brake applied Parking brake switch Brake booster vacuum sensor Body Control Module (BCM) Instrument Cluster (IC) concern ABS module concern	RETRIEVE all ABS Module DTCs and REFER to the DTC Chart: ABS Module . If no DTCs are present, REFER to Instrumentation, Message Center, and Warning Chimes .
The yellow ABS warning indicator is always or never on	IC concern ABS or stability control concern	RETRIEVE all ABS Module DTCs and REFER to the DTC Chart: ABS Module . If no DTCs are present, REFER to Instrumentation, Message Center, and Warning Chimes .
The stability-traction control indicator is always or never on	IC concern ABS or stability control concern	RETRIEVE all ABS Module DTCs and REFER to the DTC Chart: ABS Module . If no DTCs are present, REFER to Instrumentation, Message Center, and Warning Chimes .
The stability-traction control OFF indicator is always or never on	IC concern ABS or stability control concern	RETRIEVE all ABS Module DTCs and REFER to the DTC Chart: ABS Module . If no DTCs are present, REFER to Instrumentation, Message Center, and Warning Chimes .
ABS false activation, ABS too sensitive, ABS activates on a normal stop	Brake drag	ELIMINATE the base brake system as the cause of the problem. REFER to Diagnosis and Testing in Brake System General Information .
Refer to the Pinpoint Test		GO to Pinpoint Test O .
The stability-traction control system is inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test P .
The stability-traction control system cannot be disabled	Refer to the Pinpoint Test	GO to Pinpoint Test P .
The Hill Descent Control™ system is inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test I .