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P0049 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0049 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 P0049 code.

OBD II Fault Code

  • OBD II P0049

    OBD-II Code Diagonostic Trouble Code is defined as a Turbocharger/Supercharger Turbine Overspeed

    The Turbo/Supercharger has a sensor that tells the engine control module (PCM) how fast it is spinning. If the Turbo/Supercharger spins too fast, the PCM will set code P0049.This may send the vehicle into "limp home mode", limiting the amount of power out of the engine, to protect other components from being damaged.

    Diagonostic Trouble Code Symptoms

    • Engine may enter limp home mode (reduced performance)
    • Lack of boost from the turbo/supercharger

    Common Problems That Trigger the P0049 Code

    • Driver is requesting more power from engine than it can safely produce

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