OBD II Fault Code

  • OBD II P0535

    OBD-II Code A/C may not operate is defined as a A/C Evaporator Temperature Sensor Circuit

    The A/C Evaporator Temperature Sensor is used verify proper operation of the A/C system and to prevent the evaporator from getting too cold and freezing up. The engine computer (PCM) looks to see a temperature change when the A/C Compressor is activated. When the engine control module (PCM) does not see a change in temperature with the A/C compressor turned on, the PCM will set code P0535.

    A/C may not operate Symptoms

    • A/C may not operate

    Common Problems That Trigger the P0535 Code

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

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