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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Diagnostic Information and Procedures >> DTC C0561: System Disabled Information Stored >> Circuit/System Verification

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 the scan tool Park Brake Control Module Invalid Signal Identification parameters are all Valid.
    • If any parameter is Invalid 

      Refer to the appropriate subsection in which the failure occurred. Refer to Symptoms - Vehicle

    • If all parameters are Valid 
  4. All OK.
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