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Home >> Chevrolet >> 2018 >> Traverse LS, 4WD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Diagnostic Information and Procedures >> DTC C028D >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify no additional DTCs are set in other control modules.
    • Go to next step: If no additional DTCs are set 
  3. Verify that DTC C028D is not set.
    • If the DTC is set 
    1. Verify the park brake is functioning properly. Refer to Park Brake System Diagnosis 
    2. Check park brake pads for excessive wear. Refer to Disc Brake System Diagnosis
    3. Program the K17 Electronic Brake Control Module.
    4. Ignition ON. Apply and release the park brake.
    5. Verify the DTC is not set.
      • If the DTC is set, replace the K17 Electronic Brake Control Module.
      • Go to next step: If the DTC is not set
    6. All OK.
    • Go to next step: If the DTC is not set 
  4. All OK.
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