Steering

All Component Locator

• Steering Assist Component Views
• Steering Controls Components

All Description and Operation

• Variable Effort Steering Description

All Visual Identification

• Steering Assist Connector End Views

Diagnostic Trouble Codes

• DTC 21 No Speed Signal
• DTC 22 Solenoid Circuit Short to Ground/Open
• DTC 23 Power Steering Control Module Malfunction

Electrical/Electronic Schematic Diagrams

• Steering Assist Schematic Icons
• Steering Assist Schematics
• Steering Controls Schematic References

General Diagnostic Information

• Diagnostic Trouble Code (DTC) List
• Variable Effort Steering Diagnosis
• Variable Effort Steering System Check

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Power Steering Control Module Replacement