Possible causes – A/C system low or over charged with refrigerant– Faulty A/C Refrigerant Pressure Sensor– Cooling fans in-operative– A/C Refrigerant Pressure Sensor harness is open or shorted– A/C Refrigerant Pressure Sensor circuit poor electrical connection Tech description There is a service bulletin for the following model: 2001-2003 Chevrolet VentureChevrolet Factory Service Bulletin OBDII Code…