Powertrain
generic / SAE
P0532
A/C Refrigerant Pressure Sensor "A" Circuit Low
A/C pressure sensor signal voltage below the lower threshold — open, short to ground, sensor fault, or a refrigerant charge so low that the pressure is genuinely low.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 32
Possible causes
- Refrigerant charge low high
- Sensor circuit shorted to ground or open medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 60–400 €
- Estimated time: 0.3–2 h
- Component: ac pressure sensor
- Component: ac refrigerant
- MIL / check engine light
Sources
References
sae:J2012