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Home >> GMC >> 2007 >> Sierra 1500, 4D Pickup, 5.3 3, Part Time >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0561 >> Circuit/System Verification

Circuit/System Verification

  1. Perform Diagnostic System Check-Vehicle .
    • Diagnose any other Vehicle DTCs before attempting diagnosis of C0561.
  2. With Tech 2, view Invalid Signal, Data Display list under EBCM.
    IMPORTANT: Not all EBCMs support a Invalid Signal, Data Display. If this function is not listed under Tech 2 Data Display then proceed to step 4.
  3. Refer to appropriate module for diagnosing any invalid signal.
  4. If no invalid signal are present, view signal fault data in Enhanced DTC Data.
  5. Refer to appropriate module for diagnosing that invalid message data.
  6. Do not replace the EBCM due to this DTC fault.
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