Steering System - Electronic Power Assist Steering

• Description And Operation
  • Steering System
    • Electronic Power Assist Steering (EPAS) System
• Diagnosis And Testing
  • Steering System
    • Notes
    • Principles of Operation
      • Electronic Power Assist Steering (EPAS) System
• Interactive Diagnostics
  • Notes
  • Inspection and Verification
  • Known Concerns
    • Kc1: Known Concerns
  • DTC/Symptom Selection
    • DTC Index
      • Notes
      • DTC B1304: Electronic Power Assisted Steering System
        • Description
      • DTC B1D23: Overheat Sensor
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC C100C: Steering Tracking
        • Description
      • DTC C1023: Pull Drift Compensation Limit Exceeded
        • Description
      • DTC C102D: High Friction Inside Power Steering
        • Description
      • DTC C1B00: Steering Angle Sensor
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC C200B: Steering Shaft Torque Sensor 1
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC C200C: Steering Shaft Torque Sensor 2
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC C200D: Motor Rotation Angle Sensor
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC P07AE: Transmission Friction Element G Performance/Stuck Off
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0001: High Speed CAN Communications Bus
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0100: Lost Communication with ECM/PCM A
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0121: Lost Communication with the Anti-lock Brake System (ABS) Control Module
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0126: Lost Communication With Steering Angle Sensor Module
        • Description
      • DTC U0140: Lost Communication With Body Control Module
        • Description
      • DTC U0151: Lost Communication With Restraints Control Module
        • Description
      • DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
        • Description
      • DTC U0159: Lost Communication With Parking Assist Control Module A
        • Description
      • DTC U0300: Internal Control Module Software Incompatibility
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0401: Invalid Data Received from ECM/PCM A
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0415: Invalid Data Received from ABS Control Module
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0422: Invalid Data Received from Body Control Module
        • Description
      • DTC U0423: Invalid Data Received from IPC
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U0428: Invalid Data Received from the Steering Angle Sensor Module
        • Description
      • DTC U0452: Invalid Data Received From RCM
        • Description
      • DTC U045A: Invalid Data Received From Parking Assist Control Module A
        • Description
      • DTC U2011: Motor
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U2100: Initial Configuration Not Complete
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U2101: Control Module Configuration Incompatible
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U3000: Control Module
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U3002: Vehicle Identification Number
        • Description
      • DTC U3003: Battery Voltage
        • Description
        • Possible Causes
        • Diagnostic Aids
        • Action
      • DTC U3004: Accessory Power Relay
        • Description
    • Symptom Chart - Steering System and NVH
      • Steering System and NVH
  • Pinpoint Tests
    • Pinpoint Test A - DTCs B1304 and U3003: Electronic Power Assisted Steering System and Battery Voltage - Circuit Voltage Below Threshold, Circuit Voltage Above Threshold and Event Information
      • Normal Operation
    • Pinpoint Test B - DTCs C1B00, C200B, C200C, U2011, U2200 and U3000: Steering Angle Sensor, Steering Shaft Torque Sensor 1, Steering Shaft Torque Sensor 2, Motor and Control Module - Failure or Erratic
      • Normal Operation
    • Pinpoint Test C - DTC U3000: Control Module - Signal Calculation Failure and Component Internal Failure
      • Normal Operation
    • Pinpoint Test D - DTC U3000: Control Module - Actuator Stuck Open
      • Normal Operation
    • Pinpoint Test E - DTC C1B00: Steering Angle Sensor - Signal Erratic
      • Normal Operation
    • Pinpoint Test F - DTC P07AE: Transmission Friction Element G Performance/Stuck Off - Component Failure
      • Normal Operation
    • Pinpoint Test G - Excessive Steering Wheel Play
    • Pinpoint Test H - Steering System Pull/Drift/Wander or Steering Wheel is Off Center
    • Pinpoint Test I - Poor Returnability/Sticky Steering and Lack of Assist or Inconsistent Assist
      • Normal Operation
    • Pinpoint Test J - Shimmy or Feedback (Rattle, Chuckle or Knocking Noise) - Roughness is Felt in the Steering Wheel When the Vehicle is Driven Over Rough Surfaces
      • Normal Operation
    • Pinpoint Test K - Damaged Steering Gear Bellows Boots
      • Normal Operation
    • Pinpoint Test M - DTCs C1B00, C200B, C200C, C200D, U0300, U2011, U3000 and U3004: Steering Column Mounted EPAS - Steering Angle Sensor, Steering Shaft Torque Sensor 1, Steering Shaft Torque Sensor 2, Motor and Control Module - Failure or Erratic
      • Notes
      • Normal Operation
    • Pinpoint Test N - DTC U3003: Steering Column Mounted EPAS - Battery Voltage - Circuit Voltage Below Threshold and Circuit Voltage Above Threshold
      • Notes
      • Normal Operation
    • Pinpoint Test O - DTC C100C: Steering Column Mounted EPAS - Steering Tracking
      • Notes
      • Normal Operation
    • Pinpoint Test P - DTC C1B00: Steering Column Mounted EPAS - Steering Angle Sensor Calibration Check
      • Notes
      • Normal Operation
    • Pinpoint Test Q - Steering Column Mounted EPAS - Shimmy or Feedback (Rattle, Chuckle or Knocking Noise) - Roughness is Felt in the Steering Wheel When the Vehicle is Driven Over Rough Surfaces
      • Notes
      • Normal Operation
    • Pinpoint Test R - Steering Column Mounted EPAS - Excessive Steering Wheel Play
    • Pinpoint Test S - Steering Column Mounted EPAS - Steering System Pull/Drift/Wander or Steering Wheel is Off Center
    • Pinpoint Test T - DTC C1023: Steering Tracking
      • Normal Operation
    • Pinpoint Test U - Invalid Data Received From The Steering Angle Sensor Module (SASM)
      • Normal Operation