FixVault
Home › Buick › 2012 › Regal Base › Repair and Diagnosis › Brakes › Traction Control › Antilock Brake System › Diagnostic Information and Procedures › DTC C0161 › Circuit/System Verification

Circuit/System Verification

NOTE:

Diagnose all other stop lamp DTCs or symptoms prior to performing this diagnostic procedure.

  1. Ignition ON.
  2. Verify that DTC C0277 or C0890 is not set.
    • If the DTC is not set 
  3. Verify the brake pedal position sensor or the brake pedal are not binding causing residual brake pressure to be detected.
    • If a condition is found 

      Repair or replace the appropriate component.

    • If a condition is not found 
  4. Verify the scan tool Electronic Brake Control Module BPP Signal parameter changes between Applied and Released while applying and releasing the brake pedal.
    • If the parameter does not change between Applied and Released 

      Refer to Symptoms - Lighting .

    • If the parameter changes between Applied and Released 
  5. All OK, refer to Diagnostic Aids above.
About FixVault