Power Steering System -- Electric Vehicle

• Description and Operation
  • Power Steering - Overview
    • Overview
  • Power Steering - System Operation and Component Description
    • System Operation
      • System Diagram
      • Network Message Chart
      • EPAS System
      • Failure Modes
      • Active Park Assist
    • Component Description
      • EPAS Steering Gear
      • PSCM
• Diagnosis and Testing
  • Power Steering
    • Interactive Diagnostics
• Inspection and Verification
• Known Concerns
• DTC/Symptom Selection
  • DTC Index
    • Notes
    • DTC B1304: Electronic Power Assisted Steering System
      • Description
    • DTC B1D23: Overheat Sensor
      • Description
    • DTC C100C: Steering Tracking
      • Description
    • DTC C1023: Pull Drift Compensation Limit Exceeded
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC C102D: High Friction Inside Power Steering
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC C1B00: Steering Angle Sensor
      • Description
    • DTC C200B: Steering Shaft Torque Sensor 1
      • Description
    • DTC C200C: Steering Shaft Torque Sensor 2
      • Description
    • DTC C200D: Motor Rotation Angle Sensor
      • Description
    • DTC P061A: Internal Control Module Torque Performance
      • Description
    • DTC P07AE: Transmission Friction Element G Performance/Stuck Off
      • Description
    • DTC P160C: Control Module Software Performance
      • Description
    • 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 Antilock Brake System (ABS) Control Module
      • Description
    • DTC U0122: Lost Communication with the Vehicle Dynamics Module (VDM)
      • Description
    • DTC U0126: Lost Communication With Steering Angle Sensor Module
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U0140: Lost Communication With Body Control Module
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • 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
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U019B: Lost Communication with Battery Charger Control Module
      • Description
    • DTC U023A: Lost Communication with Image Processing 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
    • DTC U0415: Invalid Data Received from ABS Control Module
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module
      • Description
    • DTC U0422: Invalid Data Received from Body Control Module
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U0423: Invalid Data Received from IPC
      • Description
    • DTC U0428: Invalid Data Received from the Steering Angle Sensor Module
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U0452: Invalid Data Received From RCM
      • Description
    • DTC U045A: Invalid Data Received From Parking Assist Control Module A
      • Description
      • Possible Causes
      • Diagnostic Aids
      • Action
    • DTC U053B: Invalid Data Received from Image Processing Module A
      • Description
    • DTC U2011: Motor
      • Description
    • 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: Pinpoint Tests B: 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
  • Pinpoint Test V: DTC C102D: High Friction Inside Power Steering
    • Normal Operation
  • Pinpoint Test W: DTCs C1B00, C200B and U3000: Steering Angle Sensor, Steering Shaft Torque Sensor 1 and Control Module - Signal or Internal Failure
    • Normal Operation
• Removal and Installation
  • Steering Gear
    • Removal
    • Installation
  • Tie Rod
    • Notes
    • Removal
    • Installation