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Our automotive experts have put together the following information about the P2408 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 P2408 code.

OBD II Fault Code

  • OBD II P2408

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Fuel Cap Sensor/Switch Circuit

    The Fuel Cap Sensor tells the engine computer if the fuel cap damaged or not seated properly. If the sensor sends back an implausible signal, code P2408 will be stored.

    Powertrain Control Module (PCM) failure Symptoms

    • Check fuel cap message on the instrument cluster

    Common Problems That Trigger the P2408 Code

    • Damaged fuel cap
    • Fuel cap is loose
    • Fuel cap sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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