Our automotive experts have put together the following information about the P279A 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 P279A code.

OBD II Fault Code

  • OBD II P279A

    OBD-II Code 4-wheel drive system is disabled is defined as a Transfer Case Gear High Incorrect Ratio

    The Transfer Case locks together the front and rear differentials on a four wheel drive vehicle. Based on the driver's input, the transfer case allows for different torque outputs (4-wheel high or 4-wheel low)/ If the Transfer Case Control Module detects the Transfer Case is not providing the requested amount of torque, code P279A will be set.

    4-wheel drive system is disabled Symptoms

    • 4-wheel drive system is disabled

    Common Problems That Trigger the P279A Code

    • Transfer case control module failure
    • Transfer case internal failure
    Not the OBD-II Code You're Looking For?

    No comments yet...

    Sign in to comment