For 1990-2009 cars

### Body Systems

• | Symptoms - Doors

• | Symptoms - Fixed and Moveable Windows

• | Symptoms - Horns

• | Symptoms - Lighting

• | Symptoms - Vehicle Access

• | Symptoms - Wiper/Washer Systems

### Brakes

• | Symptoms - Antilock Brake System

• | Symptoms - Hydraulic Brakes

• | Symptoms - Park Brake

### Driveline/Axle

• | Symptoms - Propeller Shaft

• | Symptoms - Rear Drive Axle

• | Symptoms - Wheel Drive Shafts

### Driver Information and Entertainment

• | Symptoms - Cellular Communication

• | Symptoms - Entertainment

• | Symptoms - Displays and Gages

### Engine

• | Symptoms - Cruise Control

• | Symptoms - Engine Controls for the 2.8L, 3.0L, 3.2L, or 3.6L engine

• | Symptoms - Engine Controls

| for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine

• | Symptoms - Engine Cooling

• | Symptoms - Engine Electrical

• | Symptoms - Engine Exhaust

• | Symptoms - Engine Mechanical for the 2.8L, 3.0L, 3.2L, or 3.6L engine

• | Symptoms - Engine Mechanical

| for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine

### HVAC

• | Symptoms - Heating, Ventilation, and Air Conditioning

• | Symptoms - HVAC Systems - Automatic

• | Symptoms - HVAC Systems - Manual

### Power and Signal Distribution

• | Symptoms - Data Communications

• | Symptoms - Power Outlets

### Safety and Security

• | Symptoms - Keyless Entry

• | Symptoms - Object Detection

• | Symptoms - Seat Belts

• | Symptoms - SIR

### Seats

Symptoms - Power Seats

### Steering

• | Symptoms - Power Steering System

• | Symptoms - Steering Wheel and Column

### Suspension

Symptoms - Suspension General Diagnosis

### Transmission/Transaxle

• | Symptoms - Automatic Transmission for the 4L60-E/4L65-E/4L70-E transmission

• | Symptoms - Automatic Transmission for the 5L40-E/5L50-E transmission

• | Symptoms - Automatic Transmission for the 6L50/6L80/6L90 transmission

• | Symptoms - Automatic Transmission Shift Lock Control

• | Symptoms - Clutch

• | Symptoms - Manual Transmission

| for the Aisin AY6 transmission

• | Symptoms - Manual Transmission for the Tremec 6-Speed transmission