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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 B3933 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The HVAC control module detects the evaporator air temperature sensor signal circuit is less than -36°C (-38°F) or more than 215°C (419°F) for more than 15 seconds.

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