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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1484 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> DTC B0174, B0179, B0510, or B0515: Discharge Air Temperature Sensor Circuit >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

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.

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