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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 338 (Transfer Case - Mp 3023/3024-NQH) >> Diagnostic Information and Procedures >> DTC C0569 >> Circuit/System Verification

Circuit/System Verification

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  1. Key ON, engine ON. Let engine run for at least 1 minute.
  2. Key OFF for at least 30 seconds to allow for the complete shutdown of the TCCM.
  3. Key ON, engine OFF.
  4. Verify that DTC C0387 is not set.
    • If DTC C0387 is set, diagnose it first.
  5. Verify that DTC C0569 is not set.
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