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Thread: 4WD Light Flashing?

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    Perry's Avatar

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    4WD Light Flashing?

    2007 6.7L 68RFE.

    This light keeps flashing until the truck warms up.

    Is it a manual transfer case any ideas?


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    MOD watersupply189's Avatar

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    Re: 4WD Light Flashing?

    Quote Originally Posted by Perry View Post
    2007 6.7L 68RFE.

    This light keeps flashing until the truck warms up.

    Is it a manual transfer case any ideas?
    Any codes?


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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    Perry's Avatar

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    Re: 4WD Light Flashing?

    Not that I know of; it should be on the MM3 if there is any.


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    I WILL STAND! AK Bob's Avatar

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    Re: 4WD Light Flashing?

    The MM3 only scans the PCM and TCM.

    A complete system scan of all control modules and data PID analysis may help troubleshoot and pinpoint the cause.

    The most common problem for the 4WD to flash constantly is the gears are not fully engaging or disengaging.

    Have you tried shifting in and out of 4WD Hi to Low and 2WD?

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  9. Top Of Page | #5
    Perry's Avatar

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    Re: 4WD Light Flashing?

    Yes, in and out of 4WD did not do until I went through a car wash a while back.


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    MOD watersupply189's Avatar

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    Re: 4WD Light Flashing?

    Quote Originally Posted by Perry View Post
    Yes, in and out of 4WD did not do until I went through a car wash a while back.
    It sounds like you may have water in a connection or something.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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