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Home >> Chevrolet >> 2018 >> Traverse LS, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0161 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Traverse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC C0277 or C0890 is not set.
    • Go to next step: If the DTC is not set 
  3. Verify the B22 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.

    • Go to next step: 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 .

    • Go to next step: If the parameter changes between Applied and Released 
  5. All OK, refer to Diagnostic Aids.