Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> (HVAC Systems - Electrical Diagnostics) >> Electrical Diagnostics >> DTC Troubleshooting >> B1083-HVAC MUX Switch High (Gateway) >> Possible Causes