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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C0544: Steering Wheel Angle Sensor Signal Not Plausible >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify that no other DTCs are set except for C0544.
    • If no other DTCs are set 
    3. NOTE:

    Wheel misalignment can cause incorrect Steering Wheel Angle parameter reading.

  3. With a scan tool, verify that the Steering Wheel Angle parameter is zero degrees or near zero degrees with the front tire/wheels in the straight ahead position.
    • If the Steering Wheel Angle parameter is not zero degrees or near zero degrees 
    1. Perform the Steering Angle Sensor Centering. Refer to Steering Wheel Angle Sensor Centering
    2. Verify that DTC C0544 is not set.
      • If the DTC is set, replace the B99 Steering Wheel Angle Sensor.
      • If the DTC is not set
    3. All OK.
    • If the Steering Wheel Angle parameter is zero degrees or near zero degrees 
  4. All OK.
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