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Our automotive experts have put together the following information about the P064E 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 P064E code.

OBD II Fault Code

  • OBD II P064E

    OBD-II Code Decreased engine performance is defined as a Internal Control Module O2 Sensor Processor Performance

    The engine control module (PCM) performs many vital functions in a modern vehicle, such as management of the Fuel System, Ignition System, Transmission, Anti-Lock Brake and Traction Control systems. The PCM regularly runs a self-diagnosis function where it performs normal mathematical calculations, and if the results of these calculations are not as expected the PCM will set code P064E.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Engine may not start
    • Engine may stall

    Common Problems That Trigger the P064E Code

    • Powertrain Control Module (PCM) failure
    • Wiring issue
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