Powertrain
generic / SAE
P0530
A/C Refrigerant Pressure Sensor "A" Circuit
General electrical fault on the A/C refrigerant pressure sensor circuit. The ECU uses this signal to enable the compressor and cooling fan; without it the A/C is typically disabled.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 30
Possible causes
- A/C pressure sensor failed high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–400 €
- Estimated time: 0.3–2 h
- Component: ac pressure sensor
- Component: ac sensor wiring
- MIL / check engine light
Sources
References
sae:J2012