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Home >> Chevrolet >> 2025 >> Traverse High Country, FWD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Diagnostic Information and Procedures >> DTC C2A21 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC C2A21 is not set
    • If the DTC is set 
    1. Perform the following learn procedure: Park Brake Calibration .
    2. Apply the electronic parking brake.
    3. Release the parking brake.
    4. Verify DTC C2A21 is not set
      • If the DTC is set

        Perform all necessary programming and setup procedures for the control module: K160 Brake System Control Module

      • Go to next step: If the DTC is not set

        Go to next step: All OK.

    • Go to next step: If the DTC is not set 
  3. All OK.