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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 503 (Transfer Case - Mp 3023/3024 (NQH)) >> Diagnostic Information and Procedures >> DTC P279A >> Circuit/System Verification

Circuit/System Verification

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  1. Start the engine.
  2. Let the engine run for 1 minute, then turn the key OFF for 30 seconds.
  3. Retest for DTC P279A.
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