Dodge Error Codes

  • DTC P0121

    DTC P0121

    Throttle/Pedal Position Sensor A Range/Performance Problem

  • DTC P0128

    DTC P0128

    Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

  • DTC P0171 & P0174

    DTC P0171 & P0174

    Indicate issues related to the air-fuel mixture.

  • DTC P0301-P0308

    DTC P0301-P0308

    Individual cylinder misfires that caused by issues like a bad spark plug or coil, can also point to mechanical or fuel-related problems.

  • DTC P0123

    DTC P0123

    Throttle/pedal position sensor "A" is producing a voltage signal that is too high, suggesting a malfunction in the sensor circuit.

  • DTC P0300

    DTC P0300

    Indicates random cylinder misfires which, if left unresolved, can lead to long-term engine damage or catalytic converter failure.

  • DTC P0401

    DTC P0401

    EGR system is not functioning as intended, often due to carbon buildup, a stuck valve, or sensor failure.

  • DTC P0420 & P0430

    DTC P0420 & P0430

    Catalytic converter system is not functioning efficiently on one or both banks of the engine.

  • DTC P0440

    DTC P0440

    General EVAP system malfunction, most often caused by a loose gas cap, leaks in the system, or faulty valves/sensors.

  • DTC P0441

    DTC P0441

    Indicates a problem with the vapor purge process in the EVAP system.

  • DTC P0456

    DTC P0456

    Small leak in the EVAP system, typically from a loose gas cap, tiny hose crack, or faulty valve.