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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 493 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0228, B0413, B0423, B0433, B3779, or B3782 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The actual door position differs from the commanded door position by more than 4 counts or the HVAC control module detects the door position signal circuit is less than 3 counts or greater than 253 counts.

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