What causes P0533 and P0532?

P0532 A/C Refrigerant Pressure Sensor Circuit LowInput

P0533 A/C Refrigerant Pressure Sensor Circuit HighInput

P0533 -A/C Refrigerant Pressure Sensor Circuit High Input.

• possible causes, ACP circuit short to GND or SIGRTN.
• VREF circuit open.
• Damaged PCM.
• Open ACP circuit.
• Damaged ACP sensor.

Possible Solution verify vref between 4 and 6 volts.