Powertrain
generic / SAE
P0533
A/C Refrigerant Pressure Sensor "A" Circuit High
A/C pressure sensor signal voltage above the upper threshold — short to supply, defective sensor, or a system overcharge/blocked condenser causing genuine high pressure.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 33
Possible causes
- Condenser blocked or fan inoperative medium
- Sensor circuit shorted to supply medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 60–600 €
- Estimated time: 0.3–2.5 h
- Component: ac pressure sensor
- Component: ac condenser
- MIL / check engine light
Sources
References
sae:J2012