What Does P0530 Code Mean?

    OBD-II Code P0530 is defined as a A/C Refrigerant Pressure Sensor "A" Circuit

    The engine control module (PCM) uses pressure sensors to monitor the high pressure side of the A/C System. When the pressure gets high, the PCM will command the cooling fans on. If the PCM detects an irrational signal from the sensor, it will set code P0530.

    P0530 Symptoms

    • A/C may not operate
    • Cooling fans may stay on all the time

    Common Problems That Trigger the P0530 Code

    • A/C pressure sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

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