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Our automotive experts have put together the following information about the P2077 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 P2077 code.

OBD II Fault Code

  • OBD II P2077

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit

    The Intake Manifold Tuning Valve allows the engine computer (PCM) to allow for increased airflow through the engine at higher engine speeds. The PCM uses an Intake Manifold Tuning Valve position sensor to confirm the Intake Manifold Tuning Valve is performing as requested. If the PCM sees an implausible signal from the position sensor, code P2077 will be stored. The position sensor is built into the valve assembly.

    Common Problems That Trigger the P2077 Code

    • Intake manifold tuning valve failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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