Symptom Chart: Vehicle Dynamic Systems

SYMPTOM CHART - VEHICLE DYNAMIC SYSTEMS

Condition	Possible Sources	Actions
No communication with the Anti-Lock Brake System (ABS) module	Fuse Wiring, terminals or connectors Anti-Lock Brake System (ABS) module concern	REFER to DIAGNOSTIC ROUTINE B .
The red brake warning indicator is always/never on	Low brake fluid level Brake fluid level sensor Parking brake applied Parking brake switch Brake booster vacuum sensor Instrument Panel Cluster (IPC) concern Anti-Lock Brake System (ABS) concern	RETRIEVE all Anti-Lock Brake System (ABS) Diagnostic Trouble Codes (DTCs) and REFER to DTC CHART: ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . If no Diagnostic Trouble Codes (DTCs) are present and the indicator is never on, REFER to DIAGNOSTIC ROUTINE K . If no Diagnostic Trouble Codes (DTCs) are present and the indicator is always on, REFER to DIAGNOSTIC ROUTINE L .
The yellow Anti-Lock Brake System (ABS) warning indicator is always/never on	Instrument Panel Cluster (IPC) concern Anti-Lock Brake System (ABS) concern	RETRIEVE all Anti-Lock Brake System (ABS) Diagnostic Trouble Codes (DTCs) and REFER to DTC CHART: ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . If no Diagnostic Trouble Codes (DTCs) are present, REFER to DIAGNOSTIC ROUTINE M .
The stability/traction control indicator "sliding-car icon" is always/never on	Instrument Panel Cluster (IPC) concern Anti-Lock Brake System (ABS) concern	RETRIEVE all Anti-Lock Brake System (ABS) Diagnostic Trouble Codes (DTCs) and REFER to DTC CHART: ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . If no Diagnostic Trouble Codes (DTCs) are present, REFER to DIAGNOSTIC ROUTINE N .
Anti-Lock Brake System (ABS) false activation, Anti-Lock Brake System (ABS) too sensitive, Anti-Lock Brake System (ABS) activates on normal stop	Front/rear suspension concern	ELIMINATE the front/rear suspension as the cause of the problem. REFER to SYMPTOM CHART: SUSPENSION SYSTEM .
	Restraints Control Module (RCM) mounting	CONFIRM the Restraints Control Module (RCM) is mounted correctly. REFER to RESTRAINTS CONTROL MODULE (RCM) .
	Loose wheel speed sensor/excessive air gap	INSPECT wheel speed sensor for looseness or excessive air gap. TIGHTEN or INSTALL new as necessary. REFER to WHEEL SPEED SENSOR - FRONT and REFER to WHEEL SPEED SENSOR - REAR .
	Parking brake shoes out of adjustment (dragging)	CHECK and if necessary, ADJUST the parking brake shoes.
The traction control system cannot be disabled	Instrument Panel Cluster (IPC) message center A MyKey® restricted key is in use with the AdvanceTrac® always-on feature configured to ON	REFER to DIAGNOSTIC ROUTINE M .