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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISSTEERINGPOWER STEERING SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0544 (NJ1)CIRCUIT/SYSTEM VERIFICATION
2013 Buick Regal Turbo Premium, Standard Trans

Circuit/System Verification

2013 Buick Regal Turbo Premium, Standard TransSECTION 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 Power Steering Control Module Calibration. Refer to Power Steering Control Module Calibration (NJ1) 
    2. Verify that DTC C0544 is not set.
      • If the DTC is set, replace the K43 power steering control module.
      • 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.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.