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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C047A: Electric Steering Motor Position Sensor Circuit >> Circuit/System Testing
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Circuit/System Testing

  1. Verify that the connector at the B137 Power Steering Shaft Torque Sensor is not damaged or have water intrusion/corrosion.
    • The B137 Power Steering Shaft Torque Sensor connector is not OK 

      Replace the steering gear.

    • The B137 Power Steering Shaft Torque Sensor connector is OK 
  2. With a scan tool perform the Power Steering Control Module Calibration procedure Steering Angle Sensor Centering and Software Endstop Learning. Refer to Power Steering Control Module Calibration 
  3. Verify that DTC C047A does not set.
    • If the DTC does set 

      Replace the K43 Power Steering Control Module.

    • If the DTC does not set 
  4. All OK.
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