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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 811 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578 or B3583 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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The HVAC control module uses a default air temperature value for further automatic control calculations. The default values are not displayed on the scan tool.