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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 C0379 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The TCCM monitors the front axle switch signal circuit and the front axle actuator control circuit for unexpected voltages. The DTC sets if the TCCM detects a high voltage when a low voltage is expected or a low voltage when a high voltage is expected.

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