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Our automotive experts have put together the following information about the P2771 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 P2771 code.

OBD II Fault Code

  • OBD II P2771

    OBD-II Code 4-wheel drive system is disabled is defined as a Four Wheel Drive (4WD) Low Switch Circuit

    The Four Wheel Drive Switch allows the driver to shift from 2-wheel drive to 4-wheel Low or 4-wheel high, depending on driving conditions. If the transfer case does not engage in four wheel low, code P2771 will be set.

    4-wheel drive system is disabled Symptoms

    • 4-wheel drive system is disabled

    Common Problems That Trigger the P2771 Code

    • 4-wheel drive switch failure
    • Transfer case internal failure
    • Transmission Control Module (TCM) failure
    • Wiring issue
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