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OBD II Fault Code

  • OBD II P240C

    OBD-II Code Powertrain Control Module (PCM) software needs to be updated is defined as a Evaporative Emission System Leak Detection Pump Heater Control

    The DTML Pump pressurizes the fuel tank to check for leaks when the vehicle is off. If this pump fails, code P240A will be set.

    Common Problems That Trigger the P240C Code

    • DMTL pump failure
    • Powertrain Control Module (PCM) software needs to be updated
    • Wiring issue
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