OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0532?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRefrigerant charge low
- PossibleSensor circuit shorted to ground or open
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- AC Pressure Sensor, AC Refrigerant
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.