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OBD II Fault Code

  • OBD II P0534

    OBD-II Code A/C may not operate is defined as a A/C Refrigerant Charge Loss

    The engine control module (PCM) uses pressure sensors to control proper operation of the A/C System. When a sudden loss of pressure is detected, the PCM will set code P0534.

    A/C may not operate Symptoms

    • A/C may not operate

    Common Problems That Trigger the P0534 Code

    • Leaking A/C compressor
    • Leaking A/C condenser
    • Leaking A/C evaporator
    • Leaking A/C line
    • Leaking A/C o-ring

    Common Repairs Needed for the P0534 Code

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