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Home › Hummer › 2009 › H2 4D Utility Pickup › Repair and Diagnosis › Brakes › Traction Control › Antilock Brake System › Diagnostic Information and Procedures › DTC C0179 › Circuit/System Testing

Circuit/System Testing

  1. Most occurrences of this DTC are caused by excessive TCS activation or braking. Review with the customer to verify the conditions under which the DTC set.
    • If vehicle operation caused this DTC to set, clear the DTC.
  2. Test drive the vehicle under normal conditions
    • If the DTC resets under normal driving conditions, replace the EBCM/brake pressure modulator valve (BPMV).
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