Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B018A, B048C, B048F, or B1395: Windshield Temperature Sensor/Humidity Sensor >> Action Taken When the DTC Sets