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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 C0561 › Circuit/System Verification

Circuit/System Verification

  1. Perform the Diagnostic System Check Vehicle. Diagnose any other DTCs before attempting to diagnosis of C0561.
  2. With a Tech 2, view the Invalid Signal Data Display.
  3. If no invalid signal are present, view Signal Fault Data in the Enhanced DTC Data.
  4. Refer to appropriate module for diagnosing the invalid message data.
  5. Do not replace the EBCM due to this DTC fault.
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