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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISBRAKESPARKING BRAKE SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0574CIRCUIT/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 no additional DTCs are set in other control modules.
    • If no additional DTCs are set 
  3. Verify that DTC C0574 01 or C0574 02 is not set.
    • If DTC C0574 01 or C0574 02 is set 
    1. Ignition OFF. Remove the parking brake control module fuse and reinstall. Ignition ON.
    2. Verify DTC C0574 01 or C0574 02 is not set.
      • If the DTC is set, replace the K83 Parking Brake Control Module.
      • If the DTC is not set
    3. All OK.
    • If DTC C0574 01 or C0574 02 is not set 
  4. Allow the K83 Parking Brake Control Module to cool down for 15 minutes.
  5. Verify the scan tool Calculated System Temperature parameter is less than 105° C.
    • If 105° C or greater 

      Replace the K83 Parking Brake Control Module.

    • If less than 105° C 
  6. 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.