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Our automotive experts have put together the following information about the P2522 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2522 code.

OBD II Fault Code

  • OBD II P2522

    OBD-II Code A/C may not operate is defined as a A/C Request "B" Circuit

    When the driver requests the A/C to be turned on, a signal goes from the switch to the engine computer (PCM). The PCM then sends power to the A/C Compressor to turn it on. If the Compressor fails to turn on, code P2522 will be stored.

    A/C may not operate Symptoms

    • A/C may not operate

    Common Problems That Trigger the P2522 Code

    • A/C compressor failure
    • A/C compressor relay failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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