Our automotive experts have put together the following information about the P0652 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 P0652 code.

What Does P0652 Code Mean?

    OBD-II Code P0652 is defined as a Sensor Reference Voltage "B" Circuit Low

    The engine control module (PCM) sends out a 5 volt reference signal to all applicable engine sensors. If the PCM detects an issue with this signal, it will set code P0652.

    P0652 Symptoms

    • Engine may not start

    Common Problems That Trigger the P0652 Code

    • Engine sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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