Electronic Power Steering System

• Model Identification
• Description & Operation
  • Notes
  • General Precautions
• Diagnosis & Testing
  • System PRECHECK
  • Self-Diagnostics
  • Variable Effort Steering System Check
  • INTERMITTENTS
• Diagnostic Tests
  • Notes
  • DTC C0000: Vehicle Speed Information Circuit Malfunction
  • DTC C0472: Steering HANDWHEEL Speed Sensor Signal Circuit Low
  • DTC C0473: Steering HANDWHEEL Speed Sensor Signal Circuit High
  • DTC C0495: EVO Tracking Error
    • Notes
    • Diagnostic Aids
  • DTC C0498: Steering Assist Control Actuator Feed Circuit Low
  • DTC C0499: Steering Assist Control Actuator Feed Circuit High
    • Notes
    • Diagnostic Aids
  • DTC C0503: Steering Assist Control Solenoid Return Circuit Low
  • DTC C0504: Steering Assist Control Solenoid Return Circuit High
  • DTC C0559: EEPROM Checksum Error
• Removal & Installation
  • EVO Fluid Flow Actuator
    • Removal & Installation
  • Power Steering Control Module (PSCM)
  • Steering Wheel Position Sensor
    • Notes
    • Astro, Express, G-Van, Safari & Savana
    • Escalade, Sierra, Suburban, Tahoe, Yukon, "C" & "K" Series Pickup
• Torque Specifications
• Wiring Diagrams