Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 400 (REAR WHEEL STEERING SYSTEM)
2006 Chevrolet Suburban C2500, 6.0 U
Section 400 (Rear Wheel Steering System)
2006 Chevrolet Suburban C2500, 6.0 USECTION Section 400 (Rear Wheel Steering System)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Rear Wheel Steering
- Diagnostic System Check - Rear Wheel Steering
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B3593: Malfunctioning Rear Wheel Steering Mode Select Switch
- DTC C0000: Vehicle Speed Information Circuit Malfunction
- DTC C0253: EBCM Control Valve Circuit
- DTC C0455: Steering Position Sensor Circuit Malfunction (VES)
- DTC C0472: Steering Handwheel Speed Sensor Signal V Low; C0473: Steering Handwheel Speed Sensor Signal V High
- DTC C0522: Rear Position Sensor Signals
- DTC C0527: Rear Wheel Steering Control Module
- DTC C0532: Rear Wheel Steering Module - Invalid Motor Position
- DTC C0533: Shorting Relay Is Stuck Open/Closed, Commanded Vs. Actual
- DTC C0538: Rear Wheel Steering Control Module Does Not See Rear Wheel Steering Gear Motor Respond To Current Inputs Properly
- DTC C0543: Rear Actuator Does Not Achieve The Desired Position
- DTC C0550: Internal Malfunction Is Detected
- Symptoms - Rear Wheel Steering System
- One or Multiple Rear Wheel Steering Mode Switch Indicators Always On
- One or Multiple Rear Wheel Steering Mode Switch Indicators Inoperative
- Repair Instructions
- Rear Wheel Steering Mode Switch Replacement
- Rear Wheel Steering Tie Rod End Replacement - Outer
- Rear Wheel Steering Tie Rod End Replacement - Inner
- Rack and Pinion Boot Replacement
- Steering Gear Actuator Boot Shield Replacement
- Steering Gear Motor Assembly Replacement
- Rear Position Sensor Replacement
- Steering Gear Actuator and Cover Replacement
- Upper Ball Joint Replacement
- Lower Ball Joint Replacement
- Steering Knuckle Replacement
- Wheel Hub and Bearing Replacement
- Rear Wheel Steering Control Module Bracket Replacement
- Rear Wheel Steering Control Module Replacement
- Steering Gear Protection Shield Replacement
- Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
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Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.