P2320 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2320 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 P2320 code.

OBD II Fault Code

  • OBD II P2320

    OBD-II Code Decreased engine performance is defined as a Ignition Coil "G" Secondary Circuit

    The ignition coil or coils are responsible for igniting the air/fuel mixture inside the combustion chambers. Without reliable performance from the ignition coil(s) the vehicle will stumble and misfire. The engine control module (PCM) has special transistors called "drivers" to turn the Ignition Coil(s) on an off. If the PCM cannot control the Ignition Coil, it will set code P2320.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P2320 Code

    • Ignition coil failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P2320 Code

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