Section 799 (Suspension Control System - Suspension Leveling)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Automatic Level Control
- Diagnostic System Check - Automatic Level Control
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC C0655: Level Control Compressor Relay Malfunction
- DTC C0660: Level Control Exhaust Valve Circuit Malfunction
- DTC C0711: Suspension Control Module Detects Improper Signal Voltage
- Symptoms - Automatic Level Control
- Automatic Level Control Compressor Motor Always On
- Automatic Level Control Compressor Motor Inoperative
- Repair Instructions
- Description and Operation