Symptom Chart

WARNING: This page is about a different variant/trim than selected.

SYMPTOM CHART

Condition	Possible Sources	Action
Unable to duplicate customer concern; no DTCs present	The concern description is inaccurate	CARRY OUT the ALL-WHEEL DRIVE (AWD) SYSTEM FUNCTIONAL TEST . GO to PINPOINT TEST A .
Battery voltage is high/low (4X4 control module)	Concern with voltage regulator or generator Fuse(s) Intermittent open power circuit 4X4 control module internal relay failure	GO to PINPOINT TEST B .
4X4 control module received no/invalid data from PCM	Invalid data received from PCM Data out of range	REFER to INTRODUCTION - GASOLINE MODELS to diagnose the accelerator position, engine coolant or Keep Alive Memory (KAM) fault.
4X4 control module received no/invalid data from ABS module	Invalid data received from the ABS module Data out of range	GO to PINPOINT TEST C .
High Speed Controller Area Network (HS-CAN) communications bus fault	HS-CAN bus fault PCM fault ABS fault Instrument Cluster (IC) fault Transmission Control Module (TCM) fault 4X4 control module	REFER to MODULE COMMUNICATIONS NETWORK .
Vehicle has no or inadequate torque at rear wheels	Rear axle	REFER to REAR DRIVE AXLE/DIFFERENTIAL .
	Power Transfer Unit (PTU) mechanical failure	REFER to TRANSFER CASE - POWER TRANSFER UNIT (PTU) .
	Wheels/tires	GO to PINPOINT TEST F .
	Circuitry Active Torque Coupling (ATC) solenoid (part of rear axle) 4X4 control module	GO to PINPOINT TEST D .
Vehicle binds in a turn or resists turning/pulsates or shudders in a straight line	Wheels/tires	REFER to WHEELS AND TIRES .
	Brake system	REFER to BRAKE SYSTEM - GENERAL INFORMATION .
	Wheel bearings	REFER to SUSPENSION SYSTEM - GENERAL INFORMATION .
	Halfshafts	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION .
	Wheel speed sensor(s)	REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL .
	ABS module	REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL .
	4X4 control module ATC solenoid (part of rear axle) Circuitry	GO to PINPOINT TEST E .
Tire/axle out of acceptable range	Wheels/tires Wheel speed sensors ABS module 4X4 control module	GO to PINPOINT TEST F .